Cao group Precise ltm User manual

5 WATT SOFT TISSUE DIODE LASER.

OPERATOR’S MANUAL.

TABLE OF CONTENTS

Section 1: Introduction 3

Section 2: Before Operating Your Laser 4

2.0 Contents 4

2.1 Removing the Laser from the Packaging 4

2.2 Assembling the Laser 4

2.2.1 Power Cord Installation 5

2.2.2 Power/Fan/Key Switch Check 5

2.2.3 Wireless Foot Pedal Battery Installation 5

2.2.4 Disposable Fiber Cartridge 5

2.2.5 Laser Stop Switch 6

2.3 Facility Requirements 6

2.3.1 Power Requirements 6

2.3.2 Heating, Ventilation, and Humidity 6

2.3.3 Lighting 6

2.3.4 Combustible Chemicals and Gases 6

2.3.5 High Speed Vacuum Systems 6

2.3.6 Access and Visual 6

Section 3: Operating Your Laser 6

3.0 Safety Considerations- Before Using Your Laser 6

3.0.1 In-Ofce Safety Issues 6

3.0.2 Laser Safety Program and

Continuing Education

3.0.3 Food and Drug Administration 7

3.0.4 OSHA and its Provisions 8

3.0.5 Statutory Licensure 8

3.0.6 Wireless Technology 8

3.0.7 Precise® LTM Laser Frequency 8

3.0.8 ANSI Standards 8

3.1 Startup and System Check 8

3.1.1 Selecting the Treatment Center 8

3.1.2 Checking the Foot Pedal Installation 8

3.1.3 Checking the Key Activation and

Control Panel Display

3.1.4 Checking the Laser Stop Button 9

3.1.5 Checking the Disposable Fiber Cartridge 9

3.1.6 Setting Modes 9

3.1.7 Setting Power 9

3.1.8 Setting Aiming Beam 9

3.1.9 Programming your Precise® LTM 9

3.2 Operating Your Laser 9

3.2.1 Before Beginning Procedures 9

3.2.2 During Procedures 9

3.2.3 After Each Procedure 10

Section 4: Preparation, Care, and Maintenance 10

4.0 Disposable Fiber Cartridge 10

4.0.1 Replacing the Fiber Cartridge 10

4.0.2 Fiber Preparation 10

4.0.3 Jacket 10

4.0.4 Cladding 11

4.0.5 Quartz/Silica Fiber 11

4.0.6 Stripping the Fiber 11

4.0.7 Cleaving the Fiber 11

4.0.8 Initiating the Fiber 11

4.0.9 Fiber Disinfection 11

4.1 Laser Maintenance 12

4.1.1 Laser Chassis Disinfection 12

4.1.2 Calibration 12

4.1.3 Handpiece Preparation 12

4.1.4 Preparation for Lasing

4.1.5 Disposable Tips

Section 5: Labels, Signs, Warnings, and Information 13

5.0 Federal Compliance 13

5.1 Danger - Laser in Use Signage 13

5.2 Laser Classications 13

5.3 Cautions 13

5.4 Nominal Ocular Hazard Distance (NOHD) 14

Section 6: Servicing 15

6.0 Limited Warranty 15

6.1 Repairs & Returns 15

Section 7: Troubleshooting 15

Section 8: Electromagnetic Compatibility 16

Section 9: Laser Specications 18

Section 10: Glossary of Laser Terminology 19

Section 11: References on Laser Dentistry 19

SECTION 1: INTRODUCTION

Thank you for purchasing the Precise® LTM 5 Watt Soft Tissue

Diode Laser. CAO Group (CAO) has been manufacturing diode

lasers for nearly a decade and we proud of our record of quality,

performance, and safety. Today, the diode laser has become the

standard of care in addressing the common soft tissue issues dental

professionals must address every day. CAO diode lasers are used

to create beautiful soft tissue that compliments the radiant smile

created for your patients; to quickly and safely control bleeding

and provide room for impression material; to relieve pain and

discomfort from aphthous ulcers; and for a wide range of other

procedures that make dental visits easier, faster, and better.

With a Precise® LTM Diode Laser you will nd that soft tissue

procedures are performed more quickly and easily and that your

patients will also be more comfortable and tissue will heal more

quickly compared to other typically used methods (e.g., scalpel,

electrosurgery). Based on reports from many dentists and dental

hygienists, we believe that you too will quickly achieve these

same benets.

To help speed your comfort and familiarity with using your Precise

LTM laser, CAO has put together three different training tools that

are available to you at no charge.

•

Introduction to Easier Soft Tissue Management with the

Precise® LTM – this online course is designed to help you

and your team understand the benets of using the Precise

laser, how it operates, how to use it to better manage

soft tissue, how and where to begin using the Precise LTM.

•

In-ofce hands-on training when convenient. Our sales professionals

will conduct an in-ofce hands-on review of the Precise LTM and

overview its use as well as train your staff on its easy operation.

REMINDER

Always test re the laser outside the mouth before using it on a patient. The

doctor or hygenist, the patient, and any staff member present in the operatory

should be wearing the appropirate safety eyewear whenever the laser is being

operated. Strict adherance to protocols for safe laser use is essential.

2.0 CONTENTS

The contents of the shipping container should include

the following:

Precise® LTM Complete Kit

(1) Precise® LTM Unit

(1) 20’ Fiber Cartridge

(1) Fiber Stripper Tool

(1) Fiber Cleaver

(1) Package of (20) Disposable Handpiece

Tips- Straight

(2) Package of (20) Disposable Handpiece

Tips- 60°

(1) Handpiece- Autoclavable

(1) Laser Key

(1) Wireless Foot Pedal

(1) 9 Volt Lithium Battery

(1) Power Supply

(1) Power Cord

(3) Protective Glasses

(1) Precise® LTM Operator’s Manual

(1) Precise® LTM Chairside Guide

(1) Danger - Laser in Use Signage

2.1 REMOVING THE LASER FROM THE PACKAGING

Please do not attempt to unpack the laser and install the various

components without reading this section rst. If you are unsure

about any aspect of the assembly, call your authorized dealer

representative for assistance. Though highly unlikely, you may need

to return the laser for service or repair and the shipping container

you received with your laser has been especially designed to

transport the laser.

LASER ASSEMBLY INSTRUCTIONS SUMMARY

1. Attach the laser’s power cord and place the plug into the

wall receptacle.

2. Install foot pedal battery. (See Section 2.2.3)

3. Attach remote interlock, if desired (not required).

4. Check the laser stop button to see that is has been

pressed.

5. Turn on the power switch on the back of the unit.

NOTE: When the power cord is plugged in, the power

switch is turned on, and the laser stop is released, the key

will turn the unit on.

6. Place the key into the key switch receptacle and turn the

key to the right (clockwise). The control console should

light up.

2.2 ASSEMBLING THE LASER

Each of the following items should be inspected, inserted into the

appropriate receptacle, and when applicable, locked using the

locking hub.

SECTION 2: BEFORE OPERATING YOUR LASER

Figure 1

Figure 2

Figure 3

5POWER

DECREASE

FIBER

RETRACT

2 READY

KEY

FIBER

EXTEND3 & 4

MODE

KEY

7 PROGRAM

KEY

6 AIMING

BEAM

5POWER

INCREASE

LED DISPLAY AND CONTROL PANEL

1. Laser on Indicator

Illuminates when the foot pedal is depressed.

Indicates that the working beam energy is

emitted.

2. Ready Indicator

Illuminates when READY key is pressed. It

will blink for three (3) seconds, then remain

steady. Once it is steady on, the aming

beam can be activated.

3. Continuous Mode

Illuminates when the unit is in Continuous

Mode.

4. Pulse Mode

Illuminates when the unit is in Pulse Mode.

5. Working Beam Setting

Indicates the working beam power output

setting. Use the Power Increase or Decrease

key to adjust power settings from 0.5 to

5.0 Watts. Hold the desired key to rapidly

change the value.

6. Adjustable Aiming Beam

The Precise® LTM is actually two lasers in one,

the infrared laser which performs the actual

treatment and a second “laser pointer”

which illuminates the direction when in use.

The aiming beam conrol allows for ve (5)

levels of intensity of the aiming beam, each

bar representing 20% of maximum intensity.

Zero (0) bars means the aming beam is shut

off.

7. Progam Setting Indicator

Indicates which current program mode is

selected. The Program key will cycle through

the programs in a clockwise direction.

8. Fiber Extend

Press and hold to extend the ber from the

cartridge.

9. Fiber Retract

Press and hold to retract the ber into the

cartridge.

1. LASER STOP

2. FIBER APERTURE

3. LED DISPLAY

4. KEY SWITCH

5. CONTROL PANEL

6. MAGNETIC HANDPIECE HOLDER

7. POWER/FAN SWITCH

8. REMOTE INTERLOCK CONNECTOR

9. POWER SUPPLY RECEPTACLE

10. WARNING LOGOTYPES

2.2.1 Power Cord Installation

Remove the AC adapter and the AC power cord. Push or plug

the power cord rmly into the adapter. Plug the small adapter

cord into the appropriate receptacle on the back of the laser.

To prevent power surges due to electrical storms or spikes in line

voltage, we recommend that you use a power strip with a surge

suppressor or unplug the laser when you are not present. Plug

the power cord into a 110 Volt AC outlet rated at 60 Hz. Be sure

to position the equipment such that you can quickly access and

disconnect the power cord connection from the back of the unit

if the need arises.

2.2.2 Power/Fan Switch and Key Switch

The Power/Fan Switch for the laser and fan is the rst item you

turn on each day. The switch is located on the rear panel of the

laser near the lower left hand corner. The Key Switch is the major

circuit breaker for your laser. It will be the second item you turn on

when activating the laser each day. Place the laser key into the

key receptacle located near the right-hand side on the front of

the laser. (See Figure 4 above.) Check the key switch by pushing

in and turning the key clockwise, approximately 1/4 of a turn. This

is the (ON) operating position for the key. The fan will start when

the power/fan switch is on and the key is turned. Prior to leaving

the ofce, the laser safety ofcer should check to see that the

key switch has been turned off and the key removed and stored

by the LSO.

Precise® LTM Remote Interlock

The Precise® LTM laser is equipped with a Remote Interlock Jack.

The Remote Interlock Jack is provided so that a clinician may install

the laser in a dedicated laser treatment room such that the laser

will be interlocked with the entrance door of the room. In such

an interlocked installation, the laser would shut off anytime the

door is opened, hypothetically, to protect the person’s eyes who

is entering the room. It is recognized that such installment is not

facilitated nor required in many operatories or clinics. To that end,

the Remote Interlock is available to any practitioner that requires

it. The Remote Interlock Jack is located and clearly labeled on the

rear of the laser. The miniphono jack is wired in the normally closed

position; meaning that no further action is required to operate the

laser without the interlock loop. If the interlock loop is desired you

may purchase the loop from a local electronics store. You need

only to inform the local electronics store that you require a mini

(1/8”) phono jack wired into a normally open momentary switch

and select the switch design that best suits your needs. To install the

loop, install the switch on the door and simply plug the miniphono

jack into the Remote Interlock Jack on the rear of the laser.

2.2.3 Wireless Foot Pedal Battery Installation

Remove the battery cover from the underneath side of the foot

pedal. Insert the enclosed 9 Volt Lithium battery. Replace the

battery cover. The foot switch is now ready for operation.

1. Insert a Phillips-head screwdriver into the screw holding

down the battery cover. Rotate the driver counter-

clockwise until the screw comes out completely. Repeat

for the other screw holding down the battery cover.

2. Push down on one end of the battery cover while

simultaneously lifting up on the other end to remove it.

3. Locate the battery terminal inside the well and pull the

terminal out. Do not pull excessively on the wires.

4. Remove the battery from its packaging and attach the

battery to the terminal.

5. Place the battery in the well with the connector to the

same side as where the wire leads emerge from the

housing.

6. Replace the battery cover and replace the two screws.

Turn the driver clockwise to tighten the screws. The

screws are sufciently secure once they no longer turn

with gentle nger-applied force. Do not over-tighten.

Place the pedal face up. Allow at least 1 minute after

completing this procedure before turning on the laser.

Note A: An extra 9 Volt Lithium battery should be

kept in your ofce inventory as the battery should

be replaced every 100 hours of continuos operation.

Note B: Make sure the laser is completely turned

off before replacing the battery in the foot pedal.

Note C: Place the pedal face down on a hard, clean

surface.

2.2.4 Disposable Fiber Cartridge

When it comes time to install a new cartridge, carefully

remove the new ber cartridge from the packing.

Figure 6 - Step 1

Figure 11 - Step 6

Figure 7 - Step 2 Figure 8 - Step 3

Figure 9 - Step 4 Figure 10 - Step 5

Figure 4 - OFF Position Figure 5 - ON Position

Figure 12 - Step 1 Figure 13 - Step 2 Figure 14 - Step 3

Figure 17 - Step 6

Figure 15 - Step 4 Figure 16 - Step 5

Figure 20 - Step 9

Figure 18 - Step 7 Figure 19 - Step 8

1. Turn system off. To replace the ber cartridge, make sure

the ber is removed from the handpiece and the ber is

fully retracted into the cartridge.

2. Carefully pull the old cartridge sideways away from the

laser until the cartridge is fully removed.

3. Reach into the cartridge bay to disconnect the optical

ber. This is done by unscrewing counterclockwise the

connector from the housing, then pulling the connector

straight out. Set the old cartridge aside.

4. Position the new cartridge adjacent to the open bay.

Carefully remove the dust cap from the end of the

connector. CAUTION: Do not touch the end of the

connector with your nger or with any object. Insert the

connector into the port.

5. Push on the connector while screwing clockwise. Give

a gentle tug on the connector (not the ber cable) to

ensure the connector is locked in place.

6. Position the cartridge to line up with the guide tabs on the

side of the bay.

7. Slowly push the cartridge into the bay until the outside

surface is ush with the side of the unit. Make sure the

optical ber coil is retracting inside the cartridge as you

do so. Turn on the power to the laser system.

8. Press the Extend and Retract buttons to ensure the ber is

moving properly. If it does not, push the cartridge into the

bay further.

9. Don’t look directly at the aiming beam! Make sure the

aiming beam indicator is at a value other than zero (0),

then press the Ready button. DO NOT press the foot

pedal. The aiming beam should be visible from the end of

the ber. If it is not, then remove the cartridge and conrm

that the ber connector is securly attached.

Note: Never re working beam if the ber is fully retracted

in cartridge.

2.2.5 Laser Stop Switch

Before you can activate the laser, you must rst check to see if the

laser stop switch is locked in the “in” or “out” position. The switch is

the red button located on the top of the laser. Engage the switch

by pressing it. The button must be “in” to operate. The display

on the control panel should now be lighted. To interrupt laser

emissions in an emergency, depress the button again to the “out”

position. If you nd that the display is still not operational, check

all attachments, keys and switches to see that they are securely

installed and, that you have an active wall plug for electricity.

(See Troubleshooting Section). If the laser cannot be activated,

please contact your authorized distributor who can help you

troubleshoot. If the control panel does light up when you enable

the laser stop, you should test the switch again by depressing it

to turn the laser off. If the laser stop switch is in the “out” position,

the laser will not turn on.

Note: This is not a power switch.

2.3 FACILITY REQUIREMENTS

In order to insure the safe use of the laser in your facility, please

check to make sure that the proposed location has the following:

2.3.1 Power Requirements

110 -120 VAC ± 10 % at 60 Hz, 1.5 Amps

Frequency Range: 45 - 63 Hz

9 Volt Lithium battery

2.3.2 Heating, Ventilation, and Humidity

The room where the laser is used should have good cooling and

heating system so that the laser can be operated within the

optimum range of 20 - 30ºC (68 - 86ºF). Avoid storing or transporting

the laser in temperatures below 0º Celsius (32º F). Operating and

storage humidity should be 5-95% RH.

2.3.3 Lighting

Overhead lighting and/or dental unit light should provide enough

illumination to allow good operator vision when activating the

laser intra-orally.

2.3.4 Combustible Chemicals and Gases

All gases that are combustible or support combustion and are used

in the operatory area where the laser is in use must be turned off

and ventilated during the procedure. Cleaning supplies or other

ammable chemical compounds should be stored in an area

away from the surgical site in order to avoid possible combustion.

2.3.5 High Speed Vacuum Systems

Plume evacuation is a priority when vaporizing tissues. The clinician

or operator, and their chair-side assistants should keep themselves

and the patient safe by using a high volume vacuum system and

high ltration masks that are suitable for virus and bacterial control.

2.3.6 Access and Visual

Access to the treatment area should allow the dental team to

restrict entry while the laser is in use. There should be a Danger

Laser In Use Safety Sign placed in a designated area adjacent

to the entry into the treatment area. See Figure 40 on page 13.

SECTION 3: OPERATING YOUR LASER

3.0 SAFETY CONSIDERATIONS BEFORE USING

YOUR LASER

The safe use of the Precise LTM® is the responsibility of the entire

dental team including the doctor and the Laser Safety Ofcer

(LSO) appointed from the dental ofce team. Protocols for the safe

use of lasers have been developed by a combination of medical

and dental professionals working in concert with educators at

the university level, scientists and laser manufacturers. Dental

professionals have had to develop protocols and guidelines

for using the laser on oral soft tissues. Sound judgment and the

concern for patient safety should be the basis of all laser care.

The following entities have inuence over laser use.

3.0.1 In-Ofce Safety Issues

•

Lighting & Ventilation: Always use the Precise® LTM in a well

lit and ventilated area. Make certain that chemicals or gases

capable of supporting or causing combustion are not present

when using the laser. Use high volume vacuum to remove

the laser “plume” and provide a high ltration masks for all

Figure 22 - Laser Stop disabled (“IN”)Figure 21 - Laser Stop enabled (“OUT”)

people including the patient, present in the treatment area

during lasing.

• Safety Eyewear: While using the Precise® LTM laser, doctors,

auxiliary staff, patients, and anyone attending them in the

operatory must wear the laser glasses provided with the

Precise® LTM system, which is appropriate for use with this

type of device. If additional glasses are obtained, they must

have the same specications for wavelength and optical

density as the glasses provided with this equipment. Never

point the laser tip directly at the face, eyes or skin of anyone

while emitting energy. The aiming beam is also capable of

causing eye damage.

• Test Firing the Laser: Always test-re the Precise® LTM prior to

using it intra-orally. Using a power of 1 Watt continuous wave

or less, place the laser in the ready mode. Then, activate

the laser for 1 - 2 seconds while aiming the ber onto a 2 x 2

gauze sponge moistened with water. Do not use alcohol or

any other combustible material to moisten the 2 x 2 sponge

as it may ignite.

•

Fiber Preparations: After cleaving and stripping the ber,

photo-initiation of the ber tip will allow the operator to remove

tissue more rapidly when contact procedures are indicated.

Gingival debris on the tip will retain the heat and it should be

removed. The tip will also begin to blacken and deteriorate

as it retains the heated debris and can break if not removed

by cleaving it. Clean the tip often using a 2 x 2 gauze sponge

moistened with water. Do not use combustible liquids to moisten

the 2 x 2.

•

Danger - Laser In Use Signage: Each operatory where the

Precise® LTM is used should have a “Laser In Use” sign placed

at the operatory entrance when a procedure is in progress.

This signage will help to reduce occurences of eye damage

caused by inadvertent exposure to laser energy. See Figure

40 on page 13.

•

Sharps Disposal and Sponge Removal: Remove cleaved ber

remnants and place them into a sharps container for disposal.

All sponges used for cleanup of lasers and bers should be

disposed of in a bag for contaminated soft products.

•

Plume Evacuation: Use high volume evacuation

suction during procedures to remove laser smoke or

‘plume’ debris. Use masks suitable for viral ltration.

Caution - laser plume may contain viable tissue particulates.

•

Key Switch: When the key switch is in the ON position (turn

clockwise to the right so it is 90 degrees in the vertical position),

the laser has been enabled and can be activated while in the

READY status. When not in use, insure that the key has been

turned off or that the laser is placed in the STANDBY status.

• Safety Education: Provide comprehensive safety procedure

training for all ofce personnel and include the staff in all outside

laser courses when possible. Be certain that all members of the

dental team understand how the laser works and can advise

patients as to their safety and advantages over conventional

procedures.

•

Laser Security: To prevent the unauthorized use of the laser

while not in use, the key should be removed from the unit and

maintained by the LSO.

•

Laser Stop Options: Any of these mechanisms can be used to

shut down the emission of laser energy in a real or perceived

emergency.

1. Foot Pedal – remove your foot to stop lasing

2. Engage the laser stop button

3. Key – turn off the key

4. Switch the Power to the off position (O)

5. Power Cord – unplug from the wall outlet

•

Hard Tissue Procedures: The Precise® LTM diode is not an

appropriate laser for hard tissue procedures. The diode laser

is attracted to melanin, hemoglobin and to some extent, to

water and oxygenated hemoglobin. Avoid prolonged exposure

of the energy when working in and around the cervical areas

of the tooth. Due to the thin layer of enamel in this area, the

laser’s energy may be absorbed by the hemoglobin in the

pulp and pulpal hyperemia may occur. Extended exposure to

laser energy could lead to pain and possible pulpal necrosis.

3.0.2 Laser Safety Program and Continuing Education

We recommend implementation of a Laser Safety Program

appropriate for your dental ofce. The plan may include the

following:

•

Delegation of authority and responsibility for supervision and

control of the laser to a designated LSO.

• Minimum Training requirements for users of the laser.

• Laser security against unauthorized use of the laser.

•

Standard operating procedures to regulate the work environment

in order to protect the patient and ofce staff from laser hazards.

The safe use of a laser is the responsibility of the (LSO) who can

be a full or part-time employee or the laser operator. It is their

responsibility to train the staff, maintain records concerning training

and the laser’s performance, perform safety checks, and prepares

the laser for use on a daily basis. The LSO must keep records of any

incidents that relate to the failure of the laser or any adverse effects

related to laser therapy and report such incidents as prescribed

by law. The laser safety ofcer assures that a medical follow-up

has been sought or has occurred following any adverse incident

during treatment. The LSO is responsible for the training of all ofce

personnel who are involved with the laser preparation and use.

Daily checks of the facility and equipment are also the LSO’s

responsibility. The LSO should test re the laser each day prior to

beginning each treatment procedure. For more information on

the contents of a Laser Safety Plan, you can review ANSI Standard

Z136.3 for Safe Use of Lasers in Health Care Facilities or TR IEC

60825-8 Guidelines for the Safe Use of Medical Laser Equipment.

The LSO should insure that the operator and staff attend laser

courses taught by qualied laser educators. Ongoing reviews of

laser safety procedures should be a part of normal ofce routine.

3.0.3 Food and Drug Administration

Manufacturers of products subject to performance standards

under the Federal Food, Drug, and Cosmetic Act, Chapter

V, Subchapter C - Electronic Product Radiation Control are

required to certify compliance with the regulations and furnish

various reports to the Center for Devices and Radiological

Health (CDRH). For medical laser manufacturers, additional

review by the FDA of the safety and effectiveness of the device

is required. Companies who intend to market a medical laser

today must receive authorization from the FDA to permit the

device into commercial distribution. There are two forms of

premarket clearance procedures. The premarket notication

510(k) procedure is principally used for those devices that are

documented to be substantially equivalent to legally marketed

Class I and Class II devices. For new devices not equivalent to

legally marketed devices, a more complex

PMA is required.

3.0.4 OSHA and its Provisions

Worker safety is the responsibility of the employer and is regulated

by OSHA (Occupational Safety and Health Administration), a

division of the U.S. Department of Labor. OSHA has issued no

specic standard for safe use of lasers but recognizes ANSI standard

Z136.1 as a source for analyzing safety with respect to medical

lasers. For more information see OSHA Technical Manual (TED

1-0.15A) Section III, Chapter 6, 1999. CAO Group, Inc. recommends

implementation of a Laser Safety Program for the safety of your

patients and ofce staff in connection with the use of the Precise®

LTM 5 Watt Soft Tissue Diode Laser.

3.0.5 Statutory Licensure

Usually, states or provinces do not have a specic licensure

requirement for use of a laser by a dentist. Most states require

hygientists to attend licensure training that includes both a

lecture and hands-on training. Prior to using the laser, the hygiene

applicants are required to pass a prociency test for certication.

These courses are usually taught by members of the Academy of

Laser Dentistry who possess instructor credentials. Check with your

state licensing board regarding the applicable requirements for

using lasers in dentistry.

3.0.6 Wireless Technology

In order to promote efcient use of the radio spectrum in various

global markets the United States Federal Communications

Commission (U.S. FCC) and other international government

agencies have developed technical standards for devices that

are capable of emitting radiofrequency energy when in use – such

as wireless data cards. These products need to receive certain

identication numbers in accordance with the Commission

Equipment Authorization rules prior to marketing in U.S. markets.

The Code of Federal Regulations, Title 47 (47 CFR), Part 15 covers

the rules for the operation of unintentional, intentional or incidental

radiators. Any electrical or electronic devices incorporating a

digital circuitry and operating with an oscillator or clock speed of

greater than 9kHz requires approval to this rule. There are various

types of FCC Part 15 approvals, depending on the nature of

the product and its intended use. In Canada, IC-RSS 210 (Radio

Standards Specication) sets out the requirements for license

exempt low-power intentional radiators. This standard is very closely

harmonized in terms of permitted frequencies, types of operation,

and other technical requirements to the FCC requirements, but a

separate certication application is required for Canada. In the

European Community, compliance with several safety directives

and testing to EN 300 328, EN 60950 and EN 301 489 is required

for this type of device. The manufacturer is required to provide a

Declaration of Conformity as evidence of its compliance with the

various regulatory requirements.

3.0.7 Precise®LTM Wireless Frequency

The 2.4GHz frequency is very popular for networks and other

wireless devices that share similar technology like Bluethooth®

cell phones, Wi-Fi® devices, wireless networks, cordless phones,

CAD/CAM machines, wireless video senders, even microwave

ovens. The nature of spread-spectrum modulation in the 2.4 Ghz

frequency means that a multitude of devices can co-exist in

the same 2.4 GHz spectrum (as should be obvious, since many

devices use 2.4 GHz and operate well on a daily basis). Bluetooth

and Wi-Fi devices use multiple channels, recovering data reliably

out of noise in the 2.4 GHz spectrum. They will hop around strong

interference, and quickly re-try for uninterrupted operation -- and

can even avoid channels or areas of the band in use by other

devices by adaptive hopping. Since the Precise® LTM wireless

transmitters have a much lower power output, it is highly unlikely

that they would “interfere” with higher-power devices. Even if this

were possible, the higher-power devices would quickly switch

to another channel to achieve uninterrupted operation. The

Precise® LTM wireless receiver use an entirely different protocol,

and therefore cannot (receive) data from Bluetooth or Wi-Fi

devices. The converse is also true; their protocol methods are

incompatible. Precise® LTM diode laser wireless technology

is electronically coded. Each pedal and Precise® LTM diode

laser share a UNIQUE SERIAL NUMBER INTERLOCK protocol for

reliable operation:

•

A Precise LTM pedal communicates with only one Precise®

LTM diode laser; there is 2-way electronic code which must

be veried for every transmission and acknowledge. The

pedal and laser unit are interlocked to only each other’s

electronic codes.

•

If data from another Precise® LTM pedal is ever received,

embedded verication measures ensure that it is always

ignored and discarded.

•

If data were ever received from another wireless device with

a compatible protocol scheme (2.4GHz frequency), it would

immediately be discarded in the same way.

In summary, the wireless transmitters in the Precise® LTM diode laser

have less than 2% of the output power of typical Bluetooth® or

Wi-Fi® devices, and therefore have no signicant potential as an

interference source. Precise LTM wireless receiver is incompatible

with Bluetooth or Wi-Fi devices and therefore cannot mistakenly

receive data from such devices. Through a unique internal

communication structure, and strict verication of all incoming

data, nothing activates an Precise LTM diode laser except the

wireless pedal which it is paired with via electronic code.

3.0.8 American National Standards Institute (ANSI) -

Safety Standards

ANSI is a non-governmental, non-prot agency that has established

guidelines and safety standards for the use of lasers and other

electro-optics. The provisions of ANSI Z 136.3 outlines standards for

lasers used in dentistry and the assessment of laser risks. ANSI also

establishes guidelines for safety eyewear and classies all lasers

based on their potential for damage to eyes or tissue. See page

14 for NOHD requirements.

3.1 STARTUP AND SYSTEM CHECK

3.1.1 Selecting the Treatment Center

The laser should be placed in an area with good ventilation and

lighting. The electrical service required is a 110 Volt A/C outlet - 60

Hz. The area where the laser is placed should be free of standing

water. Combustible gases or those that support combustion should

be turned off and all ammable materials or chemical stored in

the area should be removed.

3.1.2 Checking the Foot Pedal Installation

It is recommended to use a 9 Volt Lithium battery to power

the cordless foot pedal. This type of battery has been

tested to last for over 100 hours of foot pedal operation.

Note: A 9 Volt Alkaline battery may be used, however the

life expectancy of an Alkaline battery is less than 35 hours of

operating time.

3.1.3 Checking the Key Activation and Control Panel Display

Turn the Key Switch on the front of the laser to the “On” position by

turning it approximately 1/4 turn to the right (clockwise). The control

panel should light up and show the laser is in Standby Mode.

3.1.4 Checking the Laser Stop Button

Check the Laser Stop Switch to see that it has not been pressed.

If it has, release it by pressing it slightly. See page 6, section 2.2.5.

3.1.5 Checking the Disposable Fiber Cartridge

Before using the laser, check the ber cartridge to see that it is

rmly seated. Depress the extend/retract button on the control

panel to see that it is functioning properly. After checking the ber

cartridge power, extend some ber from the cartridge. You will

want to have approximately 3 feet (1 meter) of ber available to

strip the ber, cleave the ber, initiate the ber, and disinfect the

ber. When the ber is prepared, the handpiece and tip should be

attached. Once prepared place the handpiece into the holder

on the laser. The extend and retract button for ber cartridge

operation should not be depressed during laser operation. Examine

the ber tip to insure that you have not created a ber tip shard

during the cleaving process. The shard can act like a miniature

scalpel and cause damage while diffusing the light beam and

lowering the laser’s power.

3.1.6 Setting Modes

Review your power and mode requirements and then depress the

mode button to select either Continuous or Pulse mode. The mode

you have selected will be displayed on the LED screen and will

be designated by a (Continuous Mode) or (Pulse Mode).

3.1.7 Setting Power

Select your power by pressing the up or down arrow until you

have reached the desired wattage. Beginning with a low of

0.5 Watts, the power increases in increments of 100 mW up to a

maximum of 5.0 Watts (Continuous Mode). By holding the up or

down arrow, you can have an uninterrupted increase until you

reach your desired power.

3.1.8 Setting Aiming Beam

The aiming beam can be turned on and off by pressing the

aiming beam button on the laser control panel. Press this button to

progressively increase the aiming beam intensity from zero (0) (off)

to full intensity. Press the key once more to cycle back to zero (0).

Each bar represents approximately 20% of the aiming beam output.

Note: Adjusting the intensity of the aiming beam has no effect on

the output power of the working laser.

3.1.9 Programming your Precise® LTM

You are able to easily set four (4) different combinations of Power,

Mode and Aiming Beam Intensity. The initial Precise factory setting

is 1.4 W Power + Continuous Mode + 80% Aiming Beam Intensity.

To set your programs, push the Program key to display one of the

program numbers. Choose the desired Power level, the desired

Mode and the desired Aiming Beam Intensity. Press the READY

button – your settings have been saved. Repeat for each of the

four programs. You may change your settings as often as you like.

The settings saved into the four programs will be retained even if

the laser is turned off.

NOTE: Whenever your press the READY button, the settings

displayed on the unit will be saved into the unit’s memory for the

program setting shown.

3.2 OPERATING YOUR LASER

3.2.1 Before Beginning Procedures

Examine the ber tip to insure that you have not created a ber

tip shard during the cleaving process. The shard can act like a

miniature scalpel and cause damage while diffusing the light

beam and lowering the laser’s power. Depress the “Ready” button

and the aiming beam can light after 3 seconds. Review your power

and mode requirements and then depress the mode button to

select either or mode.

3.2.2 During Procedures

•

Test re the laser outside the mouth by activating the laser

into a 2 x 2 gauze sponge that has been moistented with

water to prevent combustion. Do not use ammable liquids

to wet the sponge.

•

Standby and Ready Status: The status of the laser will be in

Standby which is a non-active status. The laser will not emit

energy while in Standby, even if you depress the foot pedal.

On the top-center of the control panel you will see the “Ready”

button. See Figure 3.2. Press this button to place the unit into

the ready status. When this button is pressed whatever settings

are displayed on the unit will be saved into the unit’s memory

for the program setting shown. The settings saved into the

four programs will be retained even if the laser is turned off.

The laser will now be ready to emit energy as you depress

the foot pedal.

•

Depress the foot pedal and make short quick strokes at the

lowest power that you can to remove the target tissues while

lightly contacting it.

• Continuous Mode ( ): In setting up the laser while in the

mode, you will deliver the amount of energy in Joules in one

second equal to the value indicated in the working beam

setting, i.e., set the laser for 2 Watts and while activated the

laser will deliver 2 Joules per second as long as you have the

foot pedal depressed. The mode is generally the fastest way

to ablate tissues but heat can build up and cause collateral

damage to the target and adjacent tissues. Cool the tissues

being lased by using periodic blast of air from a triplex syringe

and high speed suction. You may use water to cool in areas

where there is prolonged exposure to the laser’s beam. Avoid

using the air syringe when you have an opening in soft tissue

adjacent to or within the surgery site. An air embolism may

occur as a result of air captured within the tissue during the

cooling process.

•

Pulse Mode( ): Pulsing the laser energy will allow some

cooling of the tissue inbetween emissions of energy. The

“duty cycle” is the percentage of the time in each second

that the laser is emitting energy. The pulses per second, the

duty cycle and, the energy intensity per pulse will determine

your average power. In the pulsed mode, the Precise LTM®

is programmed to deliver 10 pulses per second with each

Figure 23 - Fiber with a shard (a bad cleave)

pulse lasting for 0.05 seconds. The duty cycle is set for 50%

so you will have 1 energy pulse with 1 period of rest with no

energy between each pulse. If the laser is producing energy

at 1 pulse per second for 0.5 seconds per pulse, you will be

producing energy for a total of 0.5 seconds. The result will be

an average energy per second that will be 50% of what you

have set the laser for. Therefore, when using pulsed energy,

you will have to adjust your power upward in order to achieve

the same rate of work as the same power set in . Two Watts

of Pulsed energy will be the same average power output

as 1 Watt . Remove your foot from the foot pedal and use

a clean 2 x 2 gauze sponge moistened with water to remove

debris from the ber tip. Do not use ammable liquids to wet

the sponge. Place the laser in Standby mode by turning

“Ready” off until you are ready to start another procedure.

Tissue Responses to Laser Energy: Maximum results will be

achieved by regulating the power and the speed that the

operator moves the ber tip. Tissue charring is an undesirable

after effect of too much power or the tip moving too slowly.

Always use the least amount of power necessary to complete

your procedure. The ideal tissue response will show little or no

discoloration after lasing and there will be less residual damage

and faster healing. Avoid penetrating or damaging the

periosteum and do not use the laser on alveolar bone. Because

the laser energy is attracted to melanin and hemoglobin,

power must be reduced when treating patients with darker

soft tissue. Always begin lasing with the lowest power you can

use to remove or modify the target tissues. Avoid damage to

the gingival sulcus by moving the ber tip quickly and using

low power settings. Check to make sure you have a good

cleave of the ber so that no shard is present on the tip. A

shard may act as a miniature scalpel and damage the small

blood vessels, thus preventing hemostasis and coagulation.

3.2.3 After Each Procedure

•

Cleave used ber tip and discard in suitable biowaste disposal.

•

Wipe the outside of the ber using a disinfectant or sterilization

solution and then retract the ber by depressing the RETRACT

button on the control panel. Do not retract the distal end of

the ber into the cartridge.

•

Turn the key to the off position if you are not going to be

starting another procedure and remove key.

•

Record the Powers and Total Lasing Times used for each

procedure in the patient’s chart.

Example:

Patient Name Mary Jones

Procedure Gingivectomy #6 and #7

#6 Lasing time 90 seconds @ 2.0 Watts

air cooled

#7 Lasing time 60 seconds @ 1.5 Watts

air/water spray

SECTION 4: PREPARATIONS, CARE,

AND MAINTENANCE

The ber optic element of a laser is responsible for carrying the light

from the diode array to the tissue being treated. The dental laser

bers are usually made of quartz, sapphire, silica or a combination

of those elements. Quartz/silica is the most popular product used

in diode lasers. Be advised about the potential hazards when

inserting, steeply bending or improperly securing the ber optics to

the chassis. Laser radiation exposure may occur in these instances

which could be harmful to yourself, your staff, and your patient.

Special care should be taken not to break or snap the ber.

As the Aiming Beam passes down the same delivery system as the

Working Beam, it provides a good method of checking for integrity

of the delivery system. If the aiming beam spot is not present at

the distal end of the delivery system, its intensity is reduced or it

looks diffused, this is a possible indication of a damaged or an

inproperly working delivery system.

4.0 DISPOSABLE FIBER CARTRIDGE

The ber cartridge is a removable assembly with a plug-in

capability that provides power for the internal retraction device.

This cartridge is disposable after all ber has been used. This

cartridge is not autoclavable.

4.0.1 Replacing the Fiber Cartridge

A white mark on the ber indicates 6’ of ber remaining on the

cartridge. At this point, a new ber cartridge should be ordered.

When the cartridge is empty, it should be released from the laser

aperture and gently removed. Slowly slide the cartridge out to

the left using the dovetail as a guide. The ber cartridge can be

thrown away.

Note: Retain the ber end cap. DO NOT discard the end cap.

4.0.2 Fiber Preparation

Using the EXTEND button on the control panel, press the button

to extend (toward the front of the laser) the ber. Extend 3 - 4’ of

ber and feed it through the ber locking collar after you have

loosened the collar. The ber should extend about 1’ beyond the

distal end of the handpiece so that you can strip the ber and

place the disposable tip.

Do not continue to use the ber tip once you have observed that

the tip has a blackened appearance that is greater in length

than 2 - 4 mm from the previous cleave spot. The protein debris

of gingival tissue accumulates on the tip during surgery and

retains extreme heat that can cause rapid tip deterioration and

subsequent breakage. This is especially important when using the

laser for periodontal pocket debridement. During surgery, clean

the tip often using a 2 x 2 sponge moistened with water. Do not

use alcohol or other combustible liquids to moisten the 2 x 2 gauze

sponge and do not use the sponge while the tip is hot. Always use

a cold disinfectant solution like BIREX® or CIDEX® to wipe off the

ber jacket before retracting the ber. The ber can be advanced

or retracted by using the retract and extend buttons on the front

control panel.

The ber cartridge is a removable assembly with a plug-

in capability that provides power for the internal retraction

device. This cartridge is disposable after all ber has been used.

This cartridge is not autoclavable. The ber cartridge contains

approximately 20’ (6 meters +) and is wound onto a spool. The

ber itself has three components:

• Jacket

• Cladding

• 400 micron quartz/silica ber

4.0.3 Jacket

This is the protective cover for the ber system and usually is made

of a synthetic material that is clear or white in color. There can be

other colors used but there are no standardized color systems to

denote the diameter of the

ber or its use.

4.0.4 Cladding

This is the material on the outside of the quartz/silica ber that is

used to block the lateral escape of laser energy as it traverses the

ber. During stripping, you may “nick” the cladding and you will

likely see the red aiming beam light as it escape the site of the

damage. This is not a danger if all people in the area have the

appropriate safety eyewear.

4.0.5 Quartz/Silica Fiber

The ber is fairly exible but can be broken if bent into a small circle

or bent at an angle of 90 degrees. The cladding will burn as protein

from the gingiva accumulates on the ber and will deteriorate

the tip. It can fracture if not cleaved once the blackened area

has reached 3 - 4 mm. Stop lasing and wipe off the tip regularly

as you work to avoid accumulation of protein debris. Use water

on a 2 X 2 gauze sponge to clean the tip. Do not use ammable

materials like alcohol products when cleaning a hot tip. Dispose

of all small ber remnants after you have cleaved the ber. They

should be kept in a small box with a lid until they can be properly

disposed of in the “sharps” container.

4.0.6 Stripping the Fiber

The ber’s jacket is removed using a “stripper”. Once a ber tip

is initiated and begins retaining debris from the tissues during

lasing, you will get a deterioration of the ber tip. When you have

a blackened tip that extends 3 - 4 mm up the ber shaft, it is time

to cleave the ber and strip the jacket to prepare for the next

procedure. Begin by selecting enough jacket so that when it is

removed, you will have approximately ⅜” of bare ber exposed.

Place the ber in the stripper and grasp that portion of the ber that

will have the jacket removed between your thumb nail and index

nger. (See Figure 24). Grasp the ber with the stripper by applying

pressure to the handles. With a slow steady force, remove the

jacket by pulling the ber away from the stripper. (See Figure 25).

4.0.7 Cleaving the Fiber

As the tip deteriorates, it is more likely to fracture and could

fall into the sulcus or a deep periodontal pocket. To avoid this

problem, it is prudent to periodically “cleave” the discolored

tip. The cleave is made after stripping off the jacket to expose

approximately ¼” - ⅜” of bare ber. (See Figure 27). The cleave

should be made at a point approximately ½” (8 - 10 mm) from the

site of the previous cleave so that there is no visible discoloration

of the tip. The operator should place their index nger at the spot

of the proposed cleave so as to stabilize the ber. Using the pen

style cleaver, draw the cleave blade across the top of the ber

with enough pressure to ”score” the ber. (See Figure 30). With

the thumb and index nger of each hand holding the ber at a

spot approximately ½” on either side of the cleave mark, break

ber against cleave. (See Figure 31). After you have cleaved the

ber, point it perpendicular to a white piece of paper and place

the laser in READY mode. Hold the tip approximately ½” from the

paper and you should see a near perfect circle of red light. If you

have a large comet effect radiating from the circle, you have not

obtained a good cleave. (See Figure 29). If the circle has just a

small comet effect, it will probably work.

Always dispose of the ber tip remnants in the “Sharps”

container immediately after cleaving the ber.

4.0.8 Initiating the Fiber

The tip of the ber should be cleaved to provide a at surface that

can be prepared to retain heat by introducing it to a dark material

like ink, blood or water color paints. The easiest way to prepare

the tip is to lightly move the at surface of the tip across a piece

of articulating paper at about 1 Watt . The tip will retain the ink

and the ink will make the tip glow if you exceed 1 - 2 seconds while

in contact with the paper. Prolonged heating will accelerate the

deterioration of the tip (See Figure 32).

4.0.9 Fiber Disinfection

The ber and spool remain in the ber cartridge and are not

autoclavable. Once stripped, cleaved and initiated, the tip will

reach temperatures of several hundred degrees centigrade,

thus, as the laser emits energy, it will rid the tip of pathogens.

Figure 24 - Adjustable Fiber

Stripping Tool

Figure 25 - Remove ¼” to ⅜” of

the jacket with stripper tool

Figure 30 - Make one pass

using light but steady pressure

Figure 31 - Break the ber

against the cleave

Figure 27 - Adjustable

Fiber Stripping Tool

Figure 28 - Adjustable

Fiber Stripping Tool

Figure 29 - Laser prole

after cleaving.

Figure 32 - Move the tip left

or right while lightly touching

the paper

Additionally, the tip can transfer heat up the shaft of the ber to the

edge of the jacket which may melt slightly. After your procedure,

always cleave the blackened tip and strip the damaged jacket.

Wipe the jacket down using BIREX® CIDEX® or a comparable

product that can disinfect the jacket. Dry the jacket using a clean

2 x 2 sponge prior to retracting the ber into the ber cartridge.

Also see section 6.0 on page 15.

4.1 LASER MAINTENANCE

4.1.1 Laser Chassis Disinfection

The exterior of the laser should be cleaned using a liquid

disinfectant similar to BIREX® or CIDEX®. Do not spray the

disinfectant directly on the chassis. Apply with a gauze sponge

or wipe. Do not use abrasive materials to clean the system. Place

a barrier material similar to cellophane over the control panel and

LED screen prior to treating the next patient.

4.1.2 Calibration

The Precise® LTM Laser uses solid-state circuitry to continuously

monitor the power output and adjusts the power supplied to

the laser module to keep the output consistent with the user

dened setting. If output levels are more than ± 20% of the set

value, the unit is designed to shut down power to the laser, and

an audible alarm will sound. If this happens, the unit should be

turned off and allowed to sit for 5 minutes and turned on again.

If the laser then boots without beeping, the microprocessor has

been able to make operational adjustments and the unit will

perform its functions. If, upon restart, the unit continues to beep,

the unit will need to be sent in for adjustment by CAO Group,

Inc., Service Department. We suggest that your practice establish

an internal calibration program for your laser. Recalibration is

recommended at a minimum of once per year based on average

usage. Recalibration may be performed by the manufacturer by

returning the unit. Alternatively, you may purchase a calibrated

hand -held power meter approved for use with 810 nm devices to

check power output. The laser should be set at 1, 3, and 5 Watts

with output checked at each level. The output display should be

within 20% of the meter reading. If not, recleave the ber and

re-check. If the output display is still outside the 20% tolerance,

return the unit to the manufacturer for recalibration. There are

no methods available for the user to adjust the calibration of the

unit and the unit must not be adjusted by the user for any reason.

4.1.3 Handpiece Preparation

The Precise® LTM handpiece is designed for easy assembly and

then sterilization after each patient.

The handpiece has four (4) components:

a. Fiber locking cap (See Figure 33)

b. Plastic collet - located inside ber locking cap (See Figure 34)

c. Body (See Figure 35)

d. Disposable tip - discard after each patient; not

autoclavable (See Figure 36)

Assemble the handpiece with plastic collet, Fiber Locking Cap and

disposable tip in place; only lightly tighten the the Locking Cap

onto the handpiece body. Extend the ber about 3-4’ from the

Precise unit. Slide the end of the ber through the Fiber Locking

Cap, through the handpiece and out the disposable tip so that

about 2-3” of ber extends out of the handpiece. Firmly tighten

the Fiber Locking Cap so that the ber is held securely in place.

Now the ber can be prepared for lasing (Section 4.1.4).

The Precise® LTM uses an autoclavable stainless steel handpiece

that should be sterilized after every patient. Clean the handpiece

with warm soapy water; rinse thoroughly; disassemble; place in

an autoclavable bag, and then autoclave it accordingly.

Note: Do not re working laser if handpiece is not properly attached

to ber.

4.1.4 Preparation for Lasing

Using your stripper, remove approximately 1/4” - 3/8” of jacket

from the distal end of the ber. Cleave the ber and examine the

results by turning the laser to the Ready status. The aiming beam

should create a near perfect circle when directed onto a white

surface from about 1/4” - 3/8” above the paper. (See Figures 27

through 32). Once cleaved, the ber tip should be disinfected

(See Section 4.0.9).

4.1.5 Disposable Tips

The disposable tips can be shaped to provide the clinician two (2)

degrees of access required, straight and 60° curved.

Note: Disposable tips are single use, not autoclaveable.

Figure 33 - Fiber locking cap Figure 34 - Plastic collet

Figure 35 - Body Figure 36 - Disposable straight

tip (60° angle disposable tip

also available)

Figure 37 - Handpeice Assembly

SECTION 5: LABELS, SIGNS, WARNINGS, AND

INFORMATION

5.0 FEDERAL COMPLIANCE

The Precise® LTM has been designed to the latest safety standards

applicable to medical lasers in the U.S. and Canada, including IEC

60825, IEC 60601-2-22, and IEC 60601-1. This laser is also designed to

meet the construction and performance requirements of the Food

and Drug Administration’s Laser Performance Standard (21 CFR

1040.10 and 1040.11). The laser has also been certied and tested

according to the telecommunications regulations for the US (FCC

Part 15). Various labels are included on the laser and the wireless

footswitch as evidence of conformity to these requirements. The

labels on the unit are required under these standards for safety

purposes and should not be removed. Please review all labels

prior to using the laser. (See Figures 38 through 47). Installation and

operation of this device should be made consistent with CAN/

CSA-Z386-08: Laser safety in health care facilities.

5.1 DANGER LASER IN USE

Each treatment area should have a “Laser In Use” warning sign

posted at the entrance to the treatment area. This signage serves

to warn people to not enter the treatment area without proper

safety eyewear and protective clothing when the laser is in use.

(See Figure 42)

5.2 LASER CLASSIFICATIONS

Class 4 Laser Product (treatment laser): 810 nm, 5 Watt

Aiming Beam Laser: 630 – 660 nm, 2 mW

5.3 CAUTIONS

5.3.1 Changes or modications not expressly approved

by CAO Group could void the user’s authority to operate

the equipment and lead to unexpected laser exposure or

electrical shock.

5.3.2 Laser Radiation – Avoid exposure to the face, eyes, or

skin from direct or scattered radiation.

5.3.3 This product contains no user serviceable components

within the chassis. Visible and invisible radiation may be

present when the cover is removed.

5.3.4 U.S. Federal law restricts the device to sale by or on the

order of a licensed professional.

5.3.5 Eyewear that protects your eyes from wavelengths other

than 810 nm do not provide proper protection for use with this

laser. Damage to the retina or corneal may be irreparable if

exposed to direct, reected or scattered radiation.

5.3.6 Use of controls, adjustments or performance of

procedures other than those specied herein may result

in hazardous radiation exposure. Any misuse is considered

abuse of the product.

5.3.7 Do not use system if there is any visible damage to the

system, including, but not limited to, cracks, wear, or damage.

5.3.8 Keep system away from liquids to prevent electrical

shock and damage. Stop and power off system if exposed

to liquids.

5.3.9 Do not use system in an oxygen rich environment to

avoid risk of re.

5.3.10 Consult local services to learn how to properly

dispose/recycle the system.

Figure 39 - Label required under FDA laser notice 50

Figure 40 - Laser Aperture label

Figure 38 - Label required under FDA laser notice 50

Figure 41 - Fiber Cartridge Caution Label

Figure 42 - Danger - Laser signage

ALL DIMENSIONS IN INCHES

PRECISE LTM REAR WARNING LABEL

CAO Group, Inc.

4628 West Skyhawk Drive

West Jordan, UT 84084

P: 801-256-9282

F: 801-256-9287

www.caogroup.com

1.500

0.720

CAUTION - CLASS 4 VISIBLE AND INVISIBLE

LASER RADIATION WHEN OPEN.

AVOID EYE OR SKIN EXPOSURE TO

DIRECT OR SCATTERED RADIATION.

ATTENTION – RAYONNEMENT LASER VISIBLE ET

INVISIBLE DE CLASSE 4 – EN CAS

D'OUVERTURE EXPOSITION

DANGEREUSE AU RAYONNEMENT

DIRECT OU DIFFUS DES YEUX OU

DE LA PEAU.

Font: Myriad

Font size: 5 pt

REV.1

5.3.11 Not indicated for patients taking Accutane (Isotretinoin)

currently or within the last 6 months.

5.3.12 Use of this device is not recommended for patients who

suffer from light-induced seizures.

5.3.13 Use of this device on pregnant women has not been

studied. Avoid usage on pregnant women.

5.3.14 Do not use this device for procedures other than those

proscribed in this manual. See Section 9.

5.3.15 make sure the disposable tip is fully seated onto the

handpiece before continuing with the procedure.

5.4 NOMINAL OCULAR HAZARD DISTANCE (NOHD)

The NOHD is the distance beyond which the exposure, during

normal operation, is not to exceed the appropriate Maximum

Permissible Exposure (MPE). The NOHD for persons wearing safety

glasses is shown in Table 1 below. The Nominal Hazard Zone (NHZ)

is the area where, the laser source within, which exposure levels

exceeds the MPE (which is the highest level of laser radiation to

which a person may be exposed without hazardous effects or

adverse biological changes in the eyes or skin). The outer limit of

the NHZ is the NOHD. Eye Protection within the NHZ is mandatory.

(See Table 1 below)

NOTE: This equipment has been tested and found to comply with

the limits for a Class A digital device, pursuant to Part 15 of the FCC

Rules. These limits are designed to provide reasonable protection

against harmful interference when the equipment is operated

in a commercial environment. This equipment generates, uses,

and can radiate radio frequency energy and, if not installed

and used in accordance with the instruction manual, may cause

harmful interference to radio communications. (Operation of

this equipment in a residential area is likely to cause harmful

interference in which case the user will be required to correct the

interference at their own expense).

NOHD (inches)

SOURCE OF RADIATION MPE (mW/cm2) DIVERGENCE ANGLE

(DEGREES) No Eyewear

(inches/cm)

With Eyewear (OD=4)

(inches/cm)

Fiber Optic Devices 1.66 9 154/392 1.54/3.92

Reection from Tissue 1.66 N/A 0.04/0.12 0.0004/0.0012

Table 1 - Nominal Ocular Hazard Distance (NOHD) for various viewing conditions while wearing eye protection.

2.500

1.500

PRECISE LTM DIODE LASER

MODEL: 002-00176

POWER INPUT: 12VDC, 5A

WORKING BEAM WAVELENGTH: 810±10 NM

810 NM POWER OUTPUT: 5 WATTS

AIMING BEAM WAVELENGTH: 650±30 NM

650 NM POWER OUTPUT: 2 MILLIWATTS

WIRELESS FREQUENCY: 2.4 GHZ

CAO GROUP, INC., 4628 W. SKYHAWK DR.

WEST JORDAN, UTAH 84084, USA

U.S. AND INTERNATIONAL PATENTS PENDING ASSEMBLED IN USA

MANUF. DATE:

MMM YYYYY

SN XXXXXX

FCCID: OUR-XBEE

IC: 4214A-XBEE

This device complies with Part 15 of the FCC Rules. Operation is subject to the following

two conditions: (1) This device may not cause harmful interference, and (2) this device

must accept any interference received, including interference that may cause undesired

operation.

COMPLIES WITH:

21 CFR 1040.10 &1040.11,EXCEPT FOR DEVIATIONS PURSUANT

TO LASER NOTICE 50, DATED JUNE 24, 2007.

CONFORMS TO UL STD 60601-1, IEC STD 60601-2-22,

EN STD 60601-2-22; CERTIFIED TO CSA STD C22.2 NO. 601.1

0473

Precise LTM Serial Label

Part# 02265 Revision D

Black ink on silver flood

poly label

CAO Group, Inc.

4628 West Skyhawk Drive

West Jordan,UT 84084

Ph: 801.256.9282 Fax: 801.256.9287

www.caogroup.com

ALL DIMENSIONS IN INCHES

DRAWING NOT TO SCALE

REV.D

3183713

Figure 47 - Do Not Reuse

Figure 44 - CAUTION - Laser Emitting Device; Class 4 Laser Figure 45 - Type B Applied Parts

Figure 43 - Rating label with serial number

Figure 48 - Rated For 12VDC, 5A

12VDC 5A Figure 49 - Dispose of electronics

waste in a responsible manner

Figure 46 - ATTENTION -- Review Operator’s

Manual Prior To Use

Assumptions: Maximum Laser Power = 5 Watts, Direct Viewing Angle = 0°; Reectance Viewing Angle = 20°;

Reectance Coefcient of Tissue = 0.001

Figure 50 - Class ll Electrical Device

CLASS II LOGO

Figure 51 - Class llb Medical Device

0473

SECTION 7: TROUBLESHOOTING

PROBLEM CORRECTIVE ACTION

Laser has no response, fan is off.

Check that the power cord is securely plugged into back of the laser unit. See

page 4.

Check that the power switch on the back panel is turned to the on (I) position.

Make sure the key is inserted into the switch, and the key is turned on. See page

4 and 5.

Laser has no response, but fan is on.

Check that the laser stop switch is in the down position. If not, depress the button.

See page 6.

Check the ber cartridge and verify that it is properly engaged. See pages 7,

9, 11-12.

Laser has power but no LED display.

•

Check to make sure that the ber cartridge is securely engaged.

See page 11-12.

• Laser stop switch engaged.

• Remote interlock engaged.

Laser has power but no output.

Call (877) 236-4408 to obtain a Return Materials Authorization (RMA).

Measured power output on a power meter is

different from the LED display.

Make sure the power meter is calibrated for use with 810 nm wavelength devices.

See page 12.

Fiber does not move from the cartridge.

Make sure the ber cartridge is seated properly, and not out of ber. See page

7, 9, 11-12.

An “Er” message appears with system

alert beep.

Er 01 - System needs service

Er 02 - System needs service

Er 04 - System needs service

Er 06 - System needs service

To attempt to clear an error message turn the laser system off and wait for 5

minutes. Turn laser back on. If beep stops, the unit was able to make operational

adjustments and the laser should perform its function. If the beep continues, the

laser must be sent in for adjustment. Make note of error code. (6.1 Repairs &

Returns to CAO Group, Inc.) See page 15.

Audible beep on Laser will not stop when

foot pedal is depressed.

Turn laser off for 5 minutes. Turn laser back on. If beep stops, the unit was able to

make operational adjustments and the laser should perform its function. If the

beep continues, the laser must be sent in for adjustment. (6.1 Repairs & Returns

to CAO Group, Inc.) See page 15.

Wireless foot pedal does not activate laser.

Replace 9 Volt battery. If the pedal still fails to activate the laser with new battery,

refer to section 2.2.3 for Wireless Foot Pedal Installation. Make sure there is no metal

tables, chairs or surfaces between the pedal and the laser. Try repositioning the

pedal to a different location or rotating it slightly on the oor.

SECTION 6: SERVICING

6.0 LIMITED WARRANTY

The Precise® LTM Diode Laser is warranted against defective materials and workmanship for a period of two (2) years from the date

of purchase; six (6) months for the ber (excluding consumption) and cartridge. Warranted equipment will be repaired or replaced,

at CAO’s discretion, if returned prepaid to our factory. This warranty does not cover damage to the Precise LTM Diode Laser unit or

components caused by accident, misuse or being tampered with. This warranty does not include labor, postage or delivery charges.

This warranty does not apply to the external nish of the console, handpiece, ber, power cord, foot pedal. CAO Group, Inc. reserves

the right to make changes in design or to modify such previously manufactured products.

6.1 REPAIRS & RETURNS

Should the laser fail to operate correctly and your local dealer representative is unable to assist you, please call CAO Group, Inc.

Customer Service at (877) 236-4408 to obtain a Return Materials Authorization (RMA) number for shipping purposes. Please insure that

the RMA number is clearly marked on the box used to return the laser. Please clearly state the reasons for return. Send returns to: CAO

GROUP, INC. 4628 West Skyhawk Drive, West Jordan, UT 84084-4401 U.S.A

CAUTION! Do not attempt to remove the cover from the laser chassis for the purpose of repairing the laser. Serious Injury from an

electrical shock or laser radiation could occur. Removing the cover on the laser chassis will void the warranty.

CAUTION! Use of controls or adjustments or performance of procedures other than those specied herein may result in hazardous

laser radiation exposure.

CAUTION! Do not attempt to remove the ber cartridge and break the tamper sticker. Doing so will invalidate the limited warranty.

SECTION 8: ELECTROMAGNETIC COMPATIBILITY (EMC)

The Precise® LTM 5 Watt Soft Tissue Diode Laser needs special precautions regarding the EMC and needs to be

installed and put into service according the EMC information provided in this manual.

Portable and mobile RF communications equipment can affect the Precise LTM. The use of accessories, transducer,

and cables other than those specied by the manufacture, CAO Group may result in increased emissions or

decreased immunity of the Precise LTM. The Precise LTM should not be used adjacent to or stacked with other

equipment and that if adjacent or stacked use is necessary, the Precise LTM should be observed to verify normal

operation in the conguration in which it will be used.

Guidance and manufacturer’s declaration - electromagnetic emissioins

The Precise® LTM is intended for use in the electromagnetic environment specied below.

The customer or the user of the Precise LTM laser should assure that it is used in such an environment.

Emissions Test Compliance

RF emissions

CISPR 11

Group 1

The Precise LTM laser uses RF energy only for its internal

function. Therefore, its RF emissions are very low and are

not likely to cause any interference in nearby electronic

equipment.

RF emissions

CISPR 11

Class B

Harmonic emissions

IEC 61000-3-2

Not available

Voltage Fluctuations/

Flicker emissions

Not available

The Precise LTM laser is suitable for use in all establishments other than domestic and those directly connected to the public low-

voltage power supply network that supplies buildings used for domestic purposes.

Guidance and manufacturer’s declaration - electromagnetic emissioins

The Precise® LTM is intended for use in the electromagnetic environment specied below.

The customer or the user of the Precise® LTM should assure that it is used in such an environment.

Immunity test IEC 60601

test level

Compliance level Electromagnetic environment –

guidance

Electrostatic

discharge (ESD)

IEC 61000-4-2

± 6 kV contact

± 8 kV air

± 6 kV contact

± 8 kV air

Floors should be wood, concrete or ceramic tile.

If oors are covered with synthetic material, the

relative humidity should be at least 30%.

Electrical fast

transient/burst

IEC 61000-4-4

± 2 kV for power supply

lines

± 1 kV for input/output

lines

± 2 kV for power supply

lines

Not Applicable

Mains power quality should be that of a typical

commercial or hospital environment.

Surge

IEC 61000-4-5

± 1 kV differential mode

± 2 kV common mode

± 1 kV differential mode

± 2 kV common mode

Mains power quality should be that of a typical

commercial or hospital environment.

Voltage dips,

short interruptions

and voltage

variations

on power supply

input lines IEC

61000-4-11

<5% UT (>95% dip in UT)

for 0,5 cycle

40% UT (60% dip in UT)

for 5 cycles

70% UT (30% dip in UT)

for 25 cycles

<5% UT (>95% dip in UT)

for 5 sec

<5% UT (>95% dip in UT)

for 0,5 cycle

40% UT (60% dip in UT)

for 5 cycles

70% UT (30% dip in UT)

for 25 cycles

<5% UT (>95% dip in UT)

for 5 sec

Mains power quality should be that of a typical

commercial or hospital environment. If the user of

the Precise LTM laser requires continued operation

during power mains interruptions, it is recommended

that the Precise LTM laser be powered from an

uninterruptible power supply or a battery.

(50/60 Hz)

magnetic eld

IEC 61000-4-8

3 A/m 3 A/m

Power frequency magnetic elds should be at

levels characteristic of a typical location in a typical

commercial or hospital environment.

NOTE UT is the a.c. mains voltage prior to application of the test level.

Guidance and Manufacturer’s Declaration - electromagnetic emissions

The Precise® LTM laser is intended for use in the electromagnetic environment specied below.

The customer or the user of the Precise LTM laser should assure that it is used in such an environment.

Conducted RF

IEC 61000-4-6

Radiated RF

IEC 61000-4-3

3 Vrms

150 kHz to 80 MHz

3 V/m

80 MHz to 2,5 GHz

3 Vrms 3 V/m

Portable and mobile RF communications equipment

should be used no closer to any part of the Precise

LTM laser, including cables, than the recommended

separation distance calculated from the equation

applicable to the frequency of the transmitter.

Recommended separation distance

d = [3.5/V1] √ P

d = [3.5/E1] √ P 80 MHz to 800MHz

d = [7/E1] √ P 800 MHz to 2.5 GHz

where P is the maximum output power rating of the

transmitter in watts (W) according to the transmitter

manufacturer and d is the recommended

separation distance in metres (m). Field strengths

from xed RF transmitters, as determined by an

electromagnetic site

survey

, should be less than the

compliance level in each

frequency range.

Interference

may occur in the vicinity of

equipment marked with the

following symbol:

NOTE 1: At 80 MHz and 800 MHz, the higher frequency range applies.

NOTE 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reection

from structures, objects and people.

Field strengths from xed transmitters, such as base stations for radio (Bluetooth® cellular/cordless) telephones and land mobile

radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To

assess the electromagnetic environment due to xed RF transmitters, an electromagnetic site survey should be considered. If the

measured eld strength in the location in which the Precise® LTM laser is used exceeds the applicable RF compliance level above,

the Precise LTM laser should be observed to verify normal operation. If abnormal performance is observed, additional measures

may be necessary, such as reorienting or relocating the Precise® LTM.

Over the frequency range 150 kHz to 80 MHz, eld strengths should be less than 3 V/m.

Recommended separation distances between

portable and mobile RF communications equipment and the Precise® LTM

The Precise® LTM laser is intended for use in an electromagnetic environment in which radiated RF disturbances

are controlled. The customer or the user of the Precise LTM laser can help prevent electromagnetic interference by

maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the

Precise LTM laser as recommended below, according to the maximum output power of the communications equipment.

Rated maximum

output power

of transmitter W

Separation distance according to frequency of transmitter

150 kHz to 80 MHz

d = [3.5/V1] √ P

80 MHz to 800 MHz

d = [3.5/E1] √ P

800 MHz to 2.5 GHz

d = [7/E1] √ P

0.01 0.12 0.12 0.23

0.1 0.37 0.37 0.74

1 1.17 1.17 2.33

10 3.69 3.69 7.39

100 11.67 11.67 23.33

For transmitters rated at a maximum output power not listed above, the recommended separation distance d in meters (m) can

be estimated using the equation applicable to the frequency of the transmitter, where P is the maximum output power rating of

the transmitter in watts (W) according to the transmitter manufacturer.

NOTE 1: At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.

NOTE 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reection

from structures, objects and people.

Precise® LTM Laser Specications Ordering Information

Weight 4.9 lbs

Dimensions

in Inches

(H x W x L)

7.6” x 8.8” x 8.75”

Laser

Classication

(Per IEC 60825)

Laser Diode; Class 4 Laser Device

Wavelength Laser: 810 nm ± 20 nm

Aiming Beam: 630 nm - 660 nm ± 15 nm

Beam

Divergence 9 degres’s ± 1 degree

Power Range 500 mW to 5 Watts

Pulse Rate

(in Pulse Mode) Fixed: 0.1 Hz

Pulse Mode

Duration Fixed: 0.05 seconds

Duty Cycle Pulse Mode: 50%

Continuous Mode: 100%

Aiming Beam

(2 mW) YES

Audible

Notication YES

Visual

Notication YES

Power

Requirements

110 - 120 VAC @ 60 Hertz

220 - 240 VAC @ 50 - 60 Hertz

Amperage 1.5 Amps @ 110 - 115 VAC

0.75 Amps @ 210 - 230 VAC

Cordless

Foot Pedal

Frequency: 2.4 GHz

Battery: 9 Volt Lithium

Operating

Temperature 0 - 30°C / 32 - 86°F

Operating

& Storage

Humidity

5 - 95% RH

Accessories

Package of (20) Disposable

Handpiece Tips- Straight 002-00181

Package of (20) Disposable

Handpiece Tips- Angled 002-00182

20’ Fiber Cartridge Replacement 002-00206

Protective Glasses - Sport 002-00201

Protective Glasses - Solid 002-00202

Danger-Laser in Use Signage 002-00034

Handpiece- Autoclavable 002-00203

Fiber Stripper Tool 002-00205

Fiber Cleaver 002-00204

Indications for Uses

The Precise® LTM is approved for use by properly trained

and licensed dental professionals (as applicable) for use

in the removal of lesions, excision, incision, vaporization,

ablation, hemostasis, photocoagulation, gingivectomy,

frenectomy, operculectomy, contouring, biopsy, troughing,

ulcer care, abscess care, sulcular debridement, soft tissue

curettage, and removal of inamed edematous tissue on

soft tissue in the oral cavity.

Delivery System Specications

Quartz/Silica

Fiber 1 Cartridge - approx. 20 ft (6 meters)

Fiber Diameter 400 microns

Retractable

Fiber Delivery Non-Autoclavable - 1

Handpiece Autoclavable - 1

Handpiece Tips Disposable: 20 (per box)

Laser Aperture YES

Warranty

Laser 2 Years Parts and Labor

Fiber and Cartridge 6 Months Parts and Labor

SECTION 9: LASER SPECIFICATIONS

SECTION 10: GLOSSARY OF LASER

TERMINOLOGY

Activate - The action that prepares the laser to emit energy.

Active Medium - The core material of a laser that is responsible for

producing a source of electromagnetic energy when activated

by a power supply. They can be a gas, liquid dye, semi-conductor

chip or a man-made rod of Yttrium, Aluminum Garnet Scandium

or Gallium, or some combination of those elements.

Amplitude - The height of an electromagnetic wave as measured

from the top of one wave to the lowest point on the next wave.

Articulating Arm - A device used to deliver radiant energy

Biopsy - A tissue sample removed from an area of questionable

health. Used for examination and diagnosis of a disease.

Cleave - An act of scoring an optical ber so that it separates

into two pieces.

Coherent - A property of electromagnetic waves in which every

wave is of the same wave length and is in phase with the other

identical waves.

Collagen - The brous protein that is prevalent in bone, endons,

cartilage, and connective tissue.

Collimated - A characteristic of laser wave lengths where they

travel in a parallel bundle and are slow to deviate.

Continuous Wave - A temporal mode where radiant laser energy

is emitted constantly without interruption. Also known as ( ).

Electromagnetic Components of Energy - Radiation consisting

of electromagnetic waves where the vertical of the wave is the

electrical phase and the lateral component is a magnetic phase.

Laser light is electromagnetic energy.

Electromagnetic Waves - Time varying electric and magnetic

elds propagating through space. They vary in their wave lengths

and frequency.

Electromagnetic Spectrum - A combination of all electromagnetic

radiation arranged by wave length and frequency. Light as we

know it is from the visible portion of the spectrum.

Exposure - Introducing a tissue to laser energy as measured by the

intensity of the power, the frequency, and time.

Frequency - The number of complete oscillations per second of

an electromagnetic wave.

Joule - A unit of energy. Expressed as milliJoules when used in

dental lasers operating in the pulsed mode. 1000 milliJoules per

second equal 1 Watt.

Laser - An acronym for Light Amplication by Stimulated Emission

of Radiation. Lasers are devices that utilize standard electricity

from a wall outlet to stimulate an active medium which will

produce electromagnetic energy that is collimated, coherent,

and monochromatic.

LSO - Laser Safety Ofcer - individual in charge of laser safety,

training, and equipment operation.

Micron - One millionth of a meter. It can also be stated as

-6 meter.

Mode - A stable condition of oscillation in a laser. Lasers can

operate is one or more modes.

Molecule - The smallest particle of a substance that retains the

property of that substance. It is composed of one or more atoms.

Nanometer - A billionth of a meter and can also be expressed

as 10 -9. Nanometers and microns are the primary measures of a

wave length used in dental lasers.

Photon - A quantum (unit) of radiant energy. A particle of light.

Power (Output Power) - Expressed as Watts where 1 Joule per

second equals 1 Watt.

Power Density - A measure of exposure of the power in Watts

delivered per square millimeter or square centimeter.

Pulsed - ( ) A temporal emission of laser energy that is distributed

among periods where the laser is actively emitting (on) and periods

of no emission (off). The time period when the laser is not emitting

energy (off) is referred to as period of thermal relaxation and is

designed to allow the tissue to cool between bursts of energy.

Quantum - The smallest unit of measure for radiant (light) energy.

Radiant Energy - The vertical component of electromagnetic

waves as they travel through space. It is measured in Joules or

milliJoules.

Spontaneous Emission - As an electron accumulates incident

energy, it is elevated to a higher energy orbit where it will become

unstable and must emit a photon.

Stimulated Emission - An external source of energy from a power

supply stimulates the unstable electron to return to a more stable

energy level by emitting an additional photon.

Velocity - The rate of speed of an electromagnetic wave as it

travels through space.

Watt - The measure of power is Watts. As used in lasers, 1 Joule per

second is equal to 1 Watt.

SECTION 11: REFERENCES ON LASER

DENTISTRY

1. Leo Meserindino, D.D.S. and Robert Pick, D.D.S. Lasers in

Dentistry. Quintessence Books, 1995 .

2. Manni , Jeffrey G. Dental Applications of Advanced Lasers.

Burlington, MA: JGM Associates. Contact at 781-272-6692

3. The Institute for Advanced Dental Technologies, Southeld,

MI: “Lasers Dentistry: Clinical Training Seminars”. 1966.

4. D.J. Coluzzi, “An Overview of Laser WaveLengths Used

in Dentistry”. Chapter in The Dental Clinics of North

American: Convissar, Robert A. editor, “Lasers and Light

Amplication in Dentistry”, W.B. Saunders Company, 44

(4). October 2000. 753 - 765

5. Andreas Moritz, et.al. “Treatment of Periodontal Pockets

with a Diode Laser”. Lasers in Surgery and Medicine, Vol

22. 1998. 302- 311

6. M. Kreisler, et.al., “Effects of Diode Laser Irradiation on the

Survival Rate of Gingival Fibroblast Cell Cultures”, Lasers

Surg Med, Volume 28 (5). 2001. 445 - 450.

7. P. Spencer et.al. “Change of Temperature in Subjacent

Bone During Soft Tissue Laser Ablation”, Journal of

Periodontology, Volume 69 (11). 1998.

8. Nora Raffetto and Terri Gutierrez, “Lasers in Periodontal

Therapy, a Five Year Retrospective”, California Dental

Hygiene Association Journal, Volume 16 (2). Redondo

Beach, CA, 2001. 17-20

9. “Safe Use of Lasers in Health Care Facilities”.

American National Standard Institute Standard Z136.3.

BIREX® is a registered trademark of Young Dental Manufacturing, LLC.

CIDEX® is a registered trademark of the Johnson & Johnson

Corporation.

Designed, Engineered,

and Assembled in the USA By:

CAO Group, Inc.

4628 West Skyhawk Drive

West Jordan, UT, 84084-4501, USA

Customer Service

P +1 877 236 4408

F +1 801 256 9287

www.caogroup.com/dental

CAO GROUP, INC. LIMITED WARRANTY

The CAO Group, Inc. (CAO) guarantees that the Precise® LTM 5 Watt Soft Tissue Diode Laser will

be free from manufacturing defects for two (2) years from the date of purchase; six (6) months

for the ber (excluding consumption) and cartridge. Should the unit be found to be defective

CAO will repair defects or replace the unit, at the discretion of CAO, at no cost to the customer.

This warranty shall not cover damage or defect caused by misuse, accident, improper handling

or actions contrary to those indicated in this manual, regardless of the date of purchase. This

warranty applies solely to the original purchaser and is not transferable. Your Precise LTM Diode

Laser warranty does not become effective unless the fully completed registration card is sent

to us online or in the mail within ten (10) days of the purchase.

002-00189 REV.H

EMERGO Europe

Molenstraat 15

2513 BH The Hague

The Netherlands

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