Huvitz CLM-4000 User manual

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Operator Manual
Auto Lensmeter CLM-4000

2CLM4000 User Guide --------------------------------------------------------------------------
IMPORTANT NOTICE
This product may malfunction due to electromagnetic waves caused by portable
personal telephones, transceivers, radio-controlled toys, etc. Be sure to avoid
having objects such as, which affect this product, brought near the product.
The information in this publication has been carefully checked and is believed to be
entirely accurate at the time of publication. HUVITZ assumes no responsibility,
however, for possible errors or omissions, or for any consequences resulting from
the use of the information contained herein.
HUVITZ reserves the right to make changes in its products or product
specifications at any time and without prior notice, and is not required to update
this documentation to reflect such changes.
©2004 - 2005 HUVITZ Co., Ltd.
689-3, Geumjeong-dong, Gunpo-si, Gyeonggi-do,
435-862, Republic of Korea
All rights are reserved.
Under copyright laws, this manual may not be copied, in whole or in part, without
the prior written consent of HUVITZ Co., Ltd.
Document Number: 9000OMLM101-A, published in 2006/07/20

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CONTENTS
1. INTRODUCTION.......................................................................................................6
1.1. OUTLINE OF THE INSTRUMENT..................................................................................6
1.2. CLASSIFICATION ......................................................................................................6
2. SAFETY INFORMATION..........................................................................................7
2.1. INTRODUCTION........................................................................................................7
2.2. SAFETY SYMBOLS ...................................................................................................8
2.3. ENVIRONMENT FACTORS..........................................................................................9
2.4. SAFETY PRECAUTIONS ..........................................................................................12
3. FEATURES............................................................................................................. 14
4. NOTES FOR USING THE INSTRUMENT..............................................................15
5. CONFIGURATIONS................................................................................................17
5.1. MAIN UNIT.............................................................................................................17
5.2. ACCESSORIES.......................................................................................................19
6. SETTINGS AND PREPARATION FOR OPERATING............................................20
6.1. RECEIVING INSPECTION .........................................................................................20
6.2. TEST AT START-UP.................................................................................................20
6.3. DISPLAY PROTECTION FUNCTION ............................................................................21
7. BUTTONS FOR OPERATIONS..............................................................................22
7.1. SWITCHING SCREEN ACCORDING TO THE BUTTON SELECTION................................22

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7.2. USAGE OF BUTTONS...............................................................................................23
8. DESCRIPTION OF SCREEN LAYOUT ..................................................................26
8.1. MEASUREMENT SCREEN ........................................................................................26
8.1.1. Detail explanation.........................................................................................27
8.2. ABOUT THE PROGRESSIVE DISPLAY.........................................................................29
8.2.1. Detail explanation.........................................................................................30
8.3. UV SCREEN ..........................................................................................................31
8.3.1. Detail explanation.........................................................................................31
8.4. CONTACT LENS DISPLAY ........................................................................................32
8.4.1. Detail explanation.........................................................................................32
8.5. SETUP SCREEN .....................................................................................................34
8.5.1 Detail explanation.........................................................................................34
8.6. PRINTOUT FORMAT ................................................................................................41
9. MEASUREMENTS..................................................................................................42
9.1. NORMAL LENSES....................................................................................................42
9.2. FRAMED LENSES....................................................................................................46
9.3. PROGRESSIVE MULTI-FOCAL LENSES .....................................................................49
9.3.1. The structure of progressive powered lens ..................................................49
9.3.2. Judging progressive lens..............................................................................51
9.3.3. Measuring a progressive lens for far vision power .......................................52
9.3.4. Measuring a progressive lens for near vision power ....................................53
9.3.5. Troubleshooting for progressive measurement............................................55
9.4. GENERAL MULTI-FOCAL LENSES.............................................................................57
9.4.1. Measuring at The Normal Display ................................................................57

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9.4.2. Measuring at The Progressive Display.........................................................57
9.5. HARD CONTACT LENSES........................................................................................58
9.6. SOFT CONTACT LENSES ........................................................................................59
9.7. TRANSMISSION RATIO OF UV LIGHT .......................................................................61
9.8. MARKING FOCUS AND CYLINDRICAL AXIS................................................................62
9.8.1. When there is no astigmatism......................................................................62
9.8.2. When there is astigmatism...........................................................................63
9.9. PRISM...................................................................................................................64
10. MAINTENANCE......................................................................................................65
10.1. REPLACING PRINTING PAPER .............................................................................65
10.2. REPLACING FUSE...............................................................................................66
10.3. RETOUCHING INK...............................................................................................68
10.4. STORAGE ..........................................................................................................69
10.5. DISPOSAL..........................................................................................................70
11. TROUBLESHOOTING............................................................................................ 71
11.1. VARIOUS MESSAGES..........................................................................................71
11.2. HOW TO CLEAN PIN HOLE ...................................................................................72
12. SPECIFICATIONS ..................................................................................................73
13. COMPONENTS LIST..............................................................................................75
14. SERVICE INFORMATION ......................................................................................76

6CLM4000 User Guide --------------------------------------------------------------------------
1. Introduction
1.1. Outline of the instrument
The Automatic Lensmeter CLM-4000 is the equipment for measuring the refractive
power of lenses and gives the spherical, cylindrical and axis of the lenses.
The Automatic Lensmeter CLM-4000 also contains the PD(=pupil distance)
measurement and the UV Protection Ratio Test. The automatic lensmeter CLM-
4000 can measure both the uncutted singular lenses and the framed glasses.
Recently the Bi-Focal lenses or Progressive lenses for the elderly can be check
with this equipment. And also this instrument can measure soft contact lenses
easily and accurately using the specialized mechanical jig and the detailed display.
1.2. Classification
Protection against electric shock: Class I(earthed)
Installation Category: II
Pollution Degree: 2

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2. Safety Information
2.1. Introduction
Safety is everyone’s responsibility. The safe use of this equipment is largely
dependent upon the installer, user, operator, and maintainer. It is imperative that
personnel study and become familiar with this entire manual before attempting to
install, use, clean, service or adjust this equipment and any associated accessories.
It is paramount that the instructions contained in this manual are fully understood
and followed to enhance safety to the patient and the user/operator. It is for this
reason that the following safety notices have been placed appropriately within the
text of this manual to highlight safety related information or information requiring
special emphasis. All users, operators, and maintainers must be familiar with and
pay particular attention to all Warnings and Cautions incorporated herein.
“Warning “ indicates the presence of a hazard that could result in severe personal
injury, death or substantial property damage if ignored.
NOTE
“Note” describes information for the installation, operation, or maintenance of which
is important but hazard related if ignored.
“Caution” indicates the presence of a hazard that could result in minor injury, or
property damaged if ignored.
!WARNING
!C
A
UTION

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2.2. Safety Symbols
The International Electrotechnical Commission (IEC) has established a set of
symbols for medical electronic equipment which classify a connection or warn of
any potential hazards. The classifications and symbols are shown below.
Save these instructions
I and O on power switch represent ON and OFF
respectively.
This symbol identifies a safety note. Ensure you understand
the function of this control before using it. Control function
is described in the appropriate User’s or Service Manual.
Manufactured by xxxx (year).
Identifies the point where the system safety ground is
fastened to the chassis. Protective earth connected to
conductive parts of Class I equipment for safety purposes.
Alternating Current

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Extra Symbols
External serial communication port. User can transmit the
memorized data to other equipment such as Huvitz’s other
machines or PC.
2.3. Environment factors
Avoid the following environments for operation or storage:
Where the equipment is exposed to water vapor.
Don’t operate an equipment with a wet hand.
Where The temperature changes extremely.
Normal operating temperature range is from 10°C to 40°C,
Humidity is from 50% to 80%.
Where the humidity is extremely high or there is a
ventilation problem.
Where equipment is exposed to chemical material or
explosive gas.
COM

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Where the equipment is exposed to direct sunlight.
Where it is near the heat equipment.
Don’t disassemble the product or open.
We aren’t responsible for it for nothing.
Don’t plug the AC power cord into the outlet Before the
connection between devices of the equipment is completed.
This can generate the defect.
Where the equipment is subject to excessive shocks or
vibrations
Be careful not to be inserted dust, especially, metal..
Don’t block the ventilations openings located on the lateral
side of the equipment.

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Pull out the power cord with holding the plug, not the cord.
Avoid places where the ambient temperature falls below 10℃or exceeds 40℃for
normal operation, or below -5℃or exceeds 50℃(14℉-104℉) for transportation
and storage. Humidity should be maintained between 50 and 80% for normal
operation, transportation and storage. Avoid environments where the equipment is
exposed to excessive shocks or vibrations.
At operating and non-operating, the warranted environments of temperature and
Humidity are as followings:
At operating : to 80% from +10°C to +31°C, and decreasing linearly to 50% from
+31°C to +40°C
At storage : to 90% from -5°C to 40°C, and to 30% from +40°C to
+50°C decreasing linearly to 50 percent
The warranted altitude is as following:
At operating : to 6,560ft(2,000m)
At storage
: to 14,280ft(6,000m), non-operating

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2.4. Safety Precautions
This equipment has been developed and tested according to safety standards as well
as national and international standards. This guarantees a very high degree of safety
for this device. The legislator expects us to inform the user expressively about the
safety aspects in dealing with the device. The correct handling of this equipment is
imperative for its safe operation. Therefore, please read carefully all instructions before
switching on this device. For more detailed information, please contact our Customer
Service Department or one of our authorized representatives.
1. This equipment must not be used (a) in an area that is in danger of explosions
and (b) in the presence of flammable, explosive, or volatile solvent such as
alcohol, benzene or similar chemicals.
2. Do not put or use this device in humid rooms. Humidity should be maintained
between 50 and 80% for normal operation. Do not expose the device to water
splashes, dripping water, or sprayed water. Do not place containers containing
fluids, liquids, or gases on top of any electrical equipment or devices.
3. The equipment must be operated only by, or under direct supervision a
properly trained and qualified person.
4. Modifications of this equipment may only be carried out by Huvitz’s service
technicians or other authorized persons.
5. Customer maintenance of this equipment may only be performed as stated in
the User’s Manual and Service Manual. Any additional maintenance may only
be performed by Huvitz’s service technicians or other authorized persons.
6. The manufacturer is only responsible for effects on safety, reliability, and
performance of this equipment when the following requirements are fulfilled:
(1) The electrical installation in the respective room corresponds to the
specifications stated in this manual and (2) This equipment is used, operated,
and maintained according to this manual and Service Manual.

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7. The manufacturer is not liable for damage caused by unauthorized tampering
with the device(s). Such tampering will forfeit any rights to claim under
warranty.
8. This equipment may only be used together with accessories supplied by
Huvitz’s. If the customer makes use of other accessories, use them only if their
safe usability under technical safety aspects has been proved and confirmed
by Huvitz or the manufacturer of the accessory.
9. Only persons who have undergone proper training and instructions are
authorized to install, use, operate, and maintain this equipment.
10. Keep the User’s Manual and Service Manual in a place easily accessible at
all times for persons operating and maintaining the equipment.
11. Do not force cable connections. If a cable does not connect easily, be sure that
the connector (plug) is appropriate for the receptacle (socket). If you cause
any damage to a cable connector(s) or receptacle(s), let the damage(s) be
repaired by an authorized service technician.
12. Please do not pull on any cable. Always hold on to the plug when
disconnecting cables.
13. This equipment may be used for the international application related to the
inspection of general lenses according to this manual.
14. Before every operation, visually check the equipment for exterior mechanical
damage(s) and for proper function.
15. Do not cover any ventilation grids or slits.
16. Immediately turn off and unplug any equipment that gives off smoke, sparks,
strange noises, or odors.
17. This equipment has been tested and found to comply with the limits for a class
A device. Operation of this equipment in a domestic area and in a
establishments directly connected to a low voltage power supply network is

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likely to cause harmful interference. Independent power supply system is
recommended.
3. Features
1. You can measure the center and refraction power of lenses with ease and
rapidity.
2. In case of framed lens, single/binocular PD can be measured automatically in
addition to the refraction power of each lens.
3. Transmission ratio of UV (Ultra Violet) light can also be measured with this
CLM4000.
4. CLM4000 provides the wide measurement range from –25D to +20D.
5. CLM4000 supports precise measurements guaranteed by 0.01D measurement
unit.
6. Measuring progressive multi-focal lenses and general multi-focal lenses can be
performed easily and rapidly.
7. CLM4000 can measure soft contact lenses easily and accurately using the
specialized mechanical jig and the display.
8. CLM4000 supports gorgeous displays through the proper colored LCD.
9. The measured data can be provided to the customers by using the printing
function.

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4. Notes for using the instrument
1. Do not hit or drop the instrument. The instrument may be damaged if it
receives a strong impact. The impact can damage the function of this
instrument. So handle with care.
2. Install this instrument on a level, stabilized table with no vibration to keep it
normal state.
3. Exposure to direct sunlight or very bright indoor lights can influence the results
of measurements.
4. If you want to connect this with other equipments, consult the dealer.
5. Sudden heating of the room in cold areas will cause condensation of vapor on
the protective glass in the measurement window and on optical parts inside the
instrument. In this case, wait until condensation disappears before performing
measurements.
6. To get accurate measurements, always keep it clean. Dust may result in
malfunction. After using this instrument, turn off power supply and keep the
dust cover over it.
7. Don't use organic solution such as thinner, benzene, etc. to clean the surface
of this instrument. It may damage the instrument
8. There is a risk of explosion if an incorrect type of battery is used. Dispose used
batteries according to the instructions.
9. Disconnect the power supply and consult the dealer in case of smoke, strange
odors, or noise during operation.
10. Don’t place anything on the lens cap while this instrument is turning on. This
instrument should perform the self-test at start-up.

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11. Don’t turn off the Display Protection Mode without an unavoidable reason.
That’s why this instrument should perform the Display Protection function for
the display protection as well as the compensation of temperature.
12. Don’t place anything on the lens cap when you wake up this instrument from
the display protection state. That’s why this instrument should perform the
compensation of temperature at the moment..

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5. Configurations
5.1. Main Unit
LCD Display
LCD On/Off
Lever
Key Button
Memory Button
Lens Holder
PD Sensor
Lens Supporter
UV Cover
Brightness Lever
Table Lever
Printer Cover
Marker Lever
Lens Table
[Figure 1. Component Names (I)]
1. LCD Display 2. LCD On/Off Lever 3. Key Button
4. Memory Button 5. Lens Table 6. Lens Holder
7. PD Sensor 8. Lens Support 9. UV Cover
10. Brightness Lever 11. Marker Lever 12. Table Lever
13. Printer Cover

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Interface
Power Switch
Connector
[Figure 2. Component Names (II)]
Power
Connector
[Figure 3. Component Names (III)]
1. Interface Connector 2. Power Switch 3. Power Connector

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5.2. Accessories
[Figure 4. Accessories]
(1) Printing Paper : Rolled paper for printing
(2) Protection Cover : Polyvinyl cover for protection against dust
(3) Soft Cloth for a Lens : A cloth for removing dust on a lens
(4) Lens Support : General lens support
(5) User’s Manual : Operator manual for users
(6) Ink for marking : Ink for marking
(7) Tweezer : A kind of tool to pick up the soft contact lens.
(8) Contact Lens jig : mechanical jig for measuring a contact lens