Leica PROVIDO User manual

From Eye to Insight
MEDICAL DIVISION
User Manual
10732418 - Version 03
PROVIDO

II PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 1
Thank you for purchasing a Leica surgical microscope, PROVIDO.
In developing our systems, we have placed great emphasis on simple,
self-explanatory operation. Nevertheless, we suggest studying this user manual
in detail in order to utilize all the benefits of your new surgical microscope.
For valuable information about Leica Microsystems products and services,
and the address of your nearest Leica representative, please visit our website:
www.leica-microsystems.com
Thank you for choosing our products.We hope that you will enjoy the quality
andperformance of your Leica Microsystems surgical microscope.
Leica Microsystems (Schweiz) AG Medical Division
Max-Schmidheiny-Strasse 201 CH-9435 Heerbrugg
Tel.: +41 71 726 3333
Fax: +41 71 726 3334
Legal disclaimer
All specifications are subject to change without notice.
The information provided by this manual is directly related to the operation of
theequipment. Medical decision remains the responsibility of the clinician.
Leica Microsystems has made every effort to provide a complete and clear user
manual highlighting the key areas of product use. Should additional information
regarding the use of the product be required, please contact your local Leica
representative.
You should never use a medical product of Leica Microsystems without the full
understanding of the use and the performance of the product.
Liability
For our liability, please see our standard sales terms and conditions. Nothing in
thisdisclaimer will limit any of our liabilities in any way that is not permitted
under applicable law, or exclude any of our liabilities that may not be excluded
under applicable law.

II PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 1
Contents
1 Introduction 2
1.1 About this user manual 2
1.2 Symbols in this user manual 2
1.3 Optional product features 2
2 Product identification 2
3 Safety notes 3
3.1 Intended use 3
3.2 Indication for use 3
3.3 Contraindications 3
3.4 Directions for the person responsible for the
instrument 3
3.5 Directions for the operator of the instrument 4
3.6 Dangers of use 4
3.7 Signs and labels 8
4 Design 11
4.1 PROVIDO stand 11
4.2 Leica M530 Optics carriers 12
5 Functions 13
5.1 Balancing system 13
5.2 Brakes 15
5.3 Illumination 17
5.4 Leica FusionOptics 17
5.5 Leica SpeedSpot 18
6 Controls 18
6.1 PROVIDO microscope with arm system 18
6.2 Control unit 20
6.3 Terminals 21
6.4 Stand 21
6.5 Handles 22
6.6 Footswitch 22
7 Preparation before surgery 23
7.1 Transportation 23
7.2 Locking/unlocking the PROVIDO 24
7.3 Installing optical accessories 25
7.4 Setting the binocular tube 26
7.5 Adjusting the eyepiece 26
7.6 Selecting the assistant 27
7.7 Positioning on the operating table 27
7.8 Attaching sterile controls and drape 29
7.9 Function check 30
8 Operation 31
8.1 Switching the microscope on 31
8.2 Positioning the microscope 32
8.3 Adjusting the microscope 32
8.4 Transportation 38
8.5 Shutting down the surgical microscope 38
9 Control unit with touch panel 39
9.1 Menu structure 39
9.2 Selecting users 39
9.3 Menu – User Settings 41
9.4 Menu – Maintenance menu 48
9.5 Menu – "How to..." 49
9.6 Menu – "Service" 49
10 Accessories and options 50
11 Care and maintenance 51
11.1 Maintenance instructions 51
11.2 Cleaning the touch panel 51
11.3 Maintenance 51
11.4 Changing bulbs 52
11.5 Circuit Breaker Switch 53
11.6 Notes on reprocessing of resterilizable products 53
12 Disposal 55
13 What to do if ...? 55
13.1 Malfunctions 55
13.2 Malfunctions documentation accessories 56
13.3 Error messages on the control unit 57
14 Specifications 58
14.1 Electrical data 58
14.2 LeicaM530 58
14.3 PROVIDO floor stand 60
14.4 Ambient conditions 60
14.5 Electromagnetic compatibility (EMC) 60
14.6 Standards fulfilled 61
14.7 Limitations of use 61
14.8 List of weights of balanceable configurations 62
14.9 Dimensional drawings 70
15 Annex 72
15.1 Checklist before the operation 72

Introduction
2 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 3
1 Introduction
1.1 About this user manual
In this user manual the surgical microscopes PROVIDO is described.
In addition to notes on the use of the instruments this
user manual gives important safety information (see
chapter "Safety notes").
X Read this user manual carefully before operating the
product.
1.2 Symbols in this user manual
The symbols used in this user manual have the following meaning:
Symbol Warning
word
Meaning
Warning
Indicates a potentially hazardous situation
or improper use that could result in serious
personal injuries or death.
Caution
Indicates a potentially hazardous situation
or improper use which, if not avoided, may
result in minor or moderate injury.
Note
Indicates a potentially hazardous situation
or improper use which, if not avoided, may
result in appreciable material, financial
and environmental damage
Information about use that helps the user
to employ the product in a technically
correct and efficient way.
X Action required; this symbol indicates that
you need to perform a specific action or
series of actions.
Technical documentation and Assembly instruction
The Technical documentation is part of the document "Assembly
instruction".
1.3 Optional product features
Different product features and accessories are optionally available.
The availability varies from country to country and is subject to
local regulatory requirements. Please contact your local
representative for availability.
2 Product identification
The model and serial numbers of your product are located on the
identification label at the bottom of the horizontal arm.
X Enter this data in your user manual and always refer to it when
you contact us or the service workshop regarding any questions
you may have.
Type Serial no.
...
...

Safety notes
2 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 3
3 Safety notes
The PROVIDO surgical microscope is state-of-the-art technology.
Nevertheless, hazards can arise during operation.
X Always follow the instructions in this user manual, and in
particular the safety notes.
3.1 Intended use
• The PROVIDO surgical microscope is an optical instrument for
improving the visibility of objects through magnification and
illumination. It can be applied for observation and
documentation and for medical treatment.
• The PROVIDO surgical microscope is subject to special
precautionary measures for electromagnetic compatibility.
• Portable and mobile as well as stationary RF communications
equipment can have a negative effect on the reliability of the
PROVIDO surgical microscope's functionality.
• The PROVIDO is intended for professional use only.
3.2 Indication for use
• The PROVIDO surgical microscope is primarily used for
Neurosurgery/ Ear Nose and Throat surgery (ENT)/Spine
Surgery/Dental surgery and PRS surgery in hospitals, clinics or
other human medical institutions.
• The PROVIDO surgical microscope may be used only in closed
rooms and must be placed on a solid floor.
• These Instructions for Use are intended for professional
physicians, nurses and other medical and technical staff who
prepare, operate or maintain the device. It is the duty of the
device owner/operator to train and brief all the operating
personnel.
WARNING
Danger of injury to the eyes.
X Do not use the PROVIDO in ophthalmology.
3.3 Contraindications
Do not use the PROVIDO in Ophthalmology.
3.4 Directions for the person
responsible for the instrument
X Ensure that the PROVIDO surgical microscope is used only by
persons qualified to do so.
X Ensure that this user manual is always available at the place
where the PROVIDO surgical microscope is in use.
X Carry out regular inspections to make certain that the
authorized users are adhering to safety requirements.
X When instructing new users, do so thoroughly and explain the
meanings of the warning signs and messages.
X Allocate responsibilities for commissioning, operation and
maintenance. Monitor compliance with this.
X Only use the PROVIDO surgical microscope if it is free of defects.
X Inform your Leica representative or Leica Microsystems
(Schweiz) AG, Medical Division, 9435 Heerbrugg, Switzerland,
immediately about any product defect that could potentially
cause injury or harm.
X If you use accessories from other manufacturers with the
PROVIDO surgical microscope, make sure that these
manufacturers confirm that the combination is safe to use.
Follow the instructions in the user manual for those accessories.
• Modifications to or service on the PROVIDO surgical microscope
may be carried out only by technicians who are explicitly
authorized by Leica to do so.
• Only original Leica replacement parts may be used in servicing
the product.
• After service work or technical modifications, the device must
be readjusted in accordance with our technical specifications.
• If the instrument is modified or serviced by unauthorized
persons, is improperly maintained (as long as maintenance was
not carried out by us), or is handled improperly,
LeicaMicrosystems will not accept any liability.
• The effect of the surgical microscope on other instruments has
been tested as specified in EN 60601-1-2. The system passed the
emission and immunity test. Comply with the usual pre-
cautionary and safety measures relating to electromagnetic and
other forms of radiation
• The electric installation in the building must conform to the
national standard, e.g., current-operated ground leakage
protection (fault-current protection) is suggested.
• Like any other instrument in the operating theater, this system
may fail. Leica Microsystems (Schweiz) AG therefore
recommends that a backup system be kept available during the
operation.
• Only the supplied power cord may be used.
• The power cord must have a protective conductor and must be
undamaged.
• The mains cable must be mechanically secured with the "Power
Input" socket to prevent accidental disconnection.
• Portable RF communications equipment (including peripherals
such as antenna cables and external antennas) should be used
no closer than 30 cm (12 inches) to any part of the Leica
PROVIDO, including cables specified by the manufacturer.
Otherwise, degradation of the performance of this equipment
could result.

Safety notes
4 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 5
Note:
The EMISSIONS characteristics of this equipment make it suitable
for use in industrial areas and hospitals (CISPR 11 class A). If it is
used in a residential environment (for which CISPR 11 class B is
normally required) this equipment might not offer adequate
protection to radio-frequency communication services. The user
might need to take mitigation measures, such as relocating or
re-orienting the equipment.
3.5 Directions for the operator of the
instrument
X Follow the instructions described here.
X Follow the instructions given by your employer regarding the
organization of work and safety at work.
3.6 Dangers of use
WARNING
Danger of injury due to the PROVIDO moving down!
X Never rebalance or re-equip with the instrument over
the eld of operation.
X Always balance the PROVIDO after re-equipping it.
WARNING
Danger of tilting if load exceeds permitted load!
X The load placed on the microscope interface must not
exceed 8.5kg.
WARNING
Danger of injury to the eyes.
X Do not use the PROVIDO in ophthalmology.
WARNING
Danger of injury due to:
• uncontrolled lateral movement of the arm system
• tilting of the stand
• feet in lightweight shoes could become trapped beneath
the casing of the base
X For transportation, always move the PROVIDO surgical
microscope into the transport position.
X Never move the stand while the unit is extended.
X Never roll over cables lying on the oor.
X Always push the PROVIDO surgical microscope at the
handrail and never pull it.
X Make sure that the movement range is free.
WARNING
Risk of injury due to downward movement of the surgical
microscope!
X Always lock the parallelogram:
• when transporting the microscope
• when re-equipping
WARNING
Danger of eye injury due to possibly hazardous optical
infrared and UV radiation.
X Do not look at the operating lamp.
X Minimize exposure to eyes or skin.
X Use appropriate shielding.
WARNING
Risk of injury due to downward movement of the surgical
microscope.
X Complete all preparations and adjustments to the stand
before the operation.
X Never change the accessories or attempt to rebalance
the microscope while it is above the eld of operation.
X Before changing accessories, always lock the PROVIDO
surgical microscope.
X Balance the PROVIDO after re-equipping it.
X Do not release the brakes when the instrument is in an
unbalanced state.
X Before re-equipping during the operation, rst swing
the microscope away from the operating eld.
X Never carry out the adjustment balancing above the
patient.
X Check tting and good connection of all parts and
cables during the preparation of the system prior to the
surgery. Not well tted parts and bad connections can
lead to hazardous situations and system failures.
WARNING
Risk of infection.
X Always use the PROVIDO surgical microscope with sterile
controls and a sterile drape.
WARNING
Danger of fatal electrical shock.
X The PROVIDO surgical microscope may be connected to a
grounded socket only.
X Operate the system only with all equipment in its proper
position (all covers tted, doors closed).

Safety notes
4 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 5
WARNING
Danger of eye injury due to possibly hazardous optical
infrared and UV radiation.
X Do not look at the operating lamp.
X Minimize exposure to eyes or skin.
X Use appropriate shielding.
WARNING
Danger of burn injuries in otologic surgery.
X Use the lowest comfortable light intensity.
X Adjust the eld of view to match the operating eld.
X Irrigate the wound frequently.
X Cover the exposed parts of the pinna with a moist
surgical sponge.
WARNING
Danger of injury to the eyes.
At a short focal distance, the light source of the illumination
unit may possibly be too bright for the operating physician
and the patient.
X Begin with the lower-intensity light source and slowly
increase it until the operating physician has an optimally
illuminated image.
WARNING
Danger of serious damage to tissue due to incorrect working
distance.
X When using lasers, always set the working distance of
the microscope to laser distance and lock the microscope
in position.
X Do not adjust the rotary button for manual setting of
the working distance while using the laser.
WARNING
Danger to the patient due to failure of the working distance
motor.
X If the working distance motor fails, adjust the working
distance manually.
WARNING
Danger injury to the eyes due to laser radiation.
X Never point the laser directly or indirectly via reecting
surfaces to the eyes.
X Never point the laser to the eyes of the patient.
X Do not look into the laser beam.
WARNING
Danger to the patient due to failure of the magnication
motor.
X If the magnication motor fails, adjust the
magnication manually.
CAUTION
Surgical microscope can move without warning.
X Always lock the footbrake when you are not moving the
system.
CAUTION
Damage to the PROVIDO surgical microscope due to
uncontrolled tilting.
X Hold the handle when releasing the brake.
CAUTION
Damage to the PROVIDO surgical microscope during
transportation.
X Never move the stand in the extended condition.
X Always change to transport position before moving the
PROVIDO stand.
X Never roll over cables lying on the oor.
X Do not drive on ramps with a tilt ≥ 10°.
X Do not transport or store the system in areas with an
elevation angle bigger than 10°.
X Do not tilt the system to more than 10° as it might tip
over.
X Only move the PROVIDO in transport position.
CAUTION
Damage to the PROVIDO surgical microscope due to
uncontrolled tilting.
X Grasp the handles securely before pressing the ALL-FREE
button.
CAUTION
There is a risk of damage to the surgical microscope from
uncontrolled tilting!
X Firmly hold the handles before triggering the
"AllBrakes" function.

Safety notes
6 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 7
CAUTION
Risk of infection.
X Leave sucient space around the stand to ensure that
the sterile drape does not come into contact with non-
sterile components.
CAUTION
Risk of damage.
X Before lifting the microscope make sure that the area
above the stand is clear to avoid collisions with OR
lamps, ceiling etc.
X Make sure that the movement range is free before you
move the arm with the monitor.
X Parts of the stand might collide with the ceiling, wall or
other equipment in the environment. Make sure that
the movement range is free before you move the
microscope or stand.
X Only move the surgical microscope when all brakes are
released.
CAUTION
Risk of overheating of the system.
Covering the air inlet can result in a controlled shutdown of
the system due to overheating.
X Make sure the air inlet is always kept free.
CAUTION
If the eld diameter is greater than the eld of view and the
light intensity is too high, uncontrolled tissue heating may
occur outside of the area visible through the microscope.
X Do not set the light intensity too high.
CAUTION
Destruction of the magnication motor.
X Only adjust the magnication manually if the
magnication motor is defective.
CAUTION
Destruction of the working distance motor.
X Only adjust the working distance manually if the
working distance motor is defective.
CAUTION
Damage to the touch panel.
X Operate the touch panel using your ngers only.
Never use hard, sharp or pointed objects made out of
wood, metal or plastic.
X Never clean the touch panel using cleaners that contain
abrasive substances. These substances can scratch the
surface and cause it to be become dull.
CAUTION
Danger to the patient due to changes in the user settings.
X Never change the conguration settings or edit the user
list during an operation.
X Check tting and good connection of all parts and
cables during the preparation of the system prior to the
surgery. Not well tted parts and bad connections can
lead to hazardous situations and system failures.
CAUTION
Danger of skin burns. The lamp insert gets very hot.
X Check that the cover has cooled before you replace the
lamp.
X Do not touch the hot lamp insert.
CAUTION
Damage to the
PROVIDO
surgical microscope during
transportation!
X Never move the stand in the extended condition.
X Never roll over cables lying on the oor.
X Do not transport or store the system in areas with an
elevation angle bigger than 10°.

Safety notes
6 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 7
CAUTION
Damage to the housing of the stand or to the touch panel of
the control unit!
If the optics carrier is moved into the transport position or
from the transport position to the operating position:
X Ensure that the transport lock must be locked.
CAUTION
Damage to other medical equipment or injury to personnel.
X Take care of monitor movement when rotating the
tower. The monitor will move together with the tower
and can collide with other medical equipment or
personnel.
CAUTION
Risk of damage.
X Only move the surgical microscope when all brakes are
released.

Safety notes
8 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 9
1
Danger sign for
squeezing hazard
2
Open
3
Closed
4
5
Danger sign for hot
surface
6
7
8
max. 8.5 kg (18.74 lb)
Max. load for optics
carrier
9
Contraindication
10
MD
Type label
11
Grounding label
(only USA and
Canada)
12
MET label
13
Follow the user
manual.
14
Equipotential
bonding
15
Laser label
16
17
RISK GROUP 3
WARNING IR emitting from this product. Do not
look at operating lamp.
WARNING Possibly hazardous optical radiation
emitted from this product. Do not look at
operating lamp. Eye injury may result.
NOTICE UV emitted from this product.
Minimise exposure to eyes or skin. Use
appropriate shielding.
Warning of XENON
light emission
18
System weight label

Safety notes
10 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 11
19
Fabrication label
a Prefix number
b Leica system article no.
c Serial number
d Incremental number starting at 1 for each batch
e JJ = year (2 digits)
f MM = month (2 digits)
g TT = day (2 digits)
h Production starting date
20
ANVISA Registration
number (only brazil)
21
INMETRO label
(only brazil)
22
Lamp Switch Label
23
Lamp On/Off
24
LAN (Local Area
Network) Label
(Optional)
25
UDI Label
Production Identifier (PI)
Serial number
Date of manufacturing
GS1 Data Matrix Code
Device Identifier (DI)
26 max. 11.5 kg (25.35 lbs)
Max. load for
monitor arm.
(located on optional
monitor mounting
plate)
27 Only to be operated
by trained personnel
Utilisation réservée à
un personnel formé
Warning trained
personnel

Design
10 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 11
4 Design
4.1 PROVIDO stand
1 Articulated arm (also referred to as Parallelogram)
2 XY coupling (optional)
3 C-sledge
4 Microscope carrier
5 Handles
6 Leica M530 optics carrier
7 Tubes
8 Video monitor (optional)
9 Base
10 Handrail
11 Documentation system (optional)
12 Control unit
13 Camera control unit (optional)
14 Horizontal arm

Design
12 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 13
4.2 Leica M530 Optics carriers
4.2.1 LeicaM530 with Top plate
• Basic optics carrier
4.2.2 LeicaM530 with IVA530
• Optics carrier with integrated C-mount video adapter for
installing a camera
• Assistant interface, switchable either to the left or to the right
side
4.2.3 LeicaM530 with ULT530
• Optics carrier with integrated camera for visible light
Leica HD C100 (optional)
• Interface for assistants, either to the left and right side or to the
back
• Main surgeon and back assistant interface, 360° rotatable both
• Back assistant interface with fine focus knob
Optional accessessories to the optics carrier and their
functions are described in the corresponding user manual.

Functions
12 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 13
5 Functions
5.1 Balancing system
With a balanced PROVIDO you can move the optics carrier in any
position without tilting or falling down.
After balancing all movements during operation only need a minor
force.
5.1.1 Balancing the PROVIDO
WARNING
Danger of fatal electric shock!
X The PROVIDO may be connected to a grounded safety
socket only.
X Connect the instrument to the power supply.
Installing the accessories
WARNING
Danger of injury due to the PROVIDO moving down!
X Never rebalance or re-equip with the instrument over
the eld of operation.
X Always balance the PROVIDO after re-equipping it.
WARNING
Danger of tilting if load exceeds permitted load!
X The load placed on the microscope interface must not
exceed 8.5kg.
X Install the necessary accessories on the PROVIDO (see
page25).
X Connect the power switch (2) on the control unit. LED in power
switch lights up.
Balancing the PROVIDO
In some cases, certain equipment configurations may not be
balanceable in the A and B balancing range.
A list of balanceable configurations is provided in the
technical data (see page 62).
X Move the tubes (binocular tube, attachment for second
observer, videozoom tube) to the operating position.
X Press the "Balance Support" button on the touch panel (1).
X Press the "Confirm" button for the following message on the
touch panel (1).
Position the PROVIDO horizontally.
X Press the "C Free" button.
The button illuminates in green.
X Press the ALL-FREE button.
This frees the C brake.

Functions
14 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 15
The PROVIDO tilts left:
X Turn rotary knob C (1) clockwise until the PROVIDO is in balance
with the brakes released.
The PROVIDO tilts right:
X Turn rotary knob C (1) counter-clockwise until the PROVIDO is in
balance with the brakes released.
X Press the "AB Free" button.
The button illuminates in green.
Press the ALL-FREE button.
This frees the AB brake.
The PROVIDO tilts backward:
X Turn rotary knob A (3) counter-clockwise until the PROVIDO is in
balance with the brakes released.
Tilt the PROVIDO by 90°.
The PROVIDO tilts forward:
X Turn rotary knob B (2) counter-clockwise until the PROVIDO is in
balance with the brakes released.
The PROVIDO tilts backward:
X Turn rotary knob B (2) clockwise until the PROVIDO is in balance
with the brakes released.
X Position the PROVIDO horizontally back to the working position.
To avoid sudden tilting when the breaks are released, we
recommend to hold the handle and to slowly let go.
Adjust rotary knob C (1) until the microscope carrier is balanced.
X Press the "D free" button.
The button illuminates in green.
X Hold the microscope firmly.

Functions
14 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 15
Pull the stop lever (4) and rotate it into a horizontal position.
The transport lock is released.
X Press the ALL-FREE button.
This frees the D brake.
X See whether or not the microscope drifts with the articulate
arm in horizontal position.
Microscope drifts downwards:
Turn rotary knob (5) clockwise.
Microscope drifts upwards:
X Turn rotary knob (5) counter-clockwise.
X Press the "Balancing completed" button after achieving the
balanced state in which the microscope does not drift up or
down on its own.
The system is balanced.
X If the rotary knob (5) cannot be turned easily, hold the
articulate arm higher or lower in a position where the
rotary knob can be turned easily.
5.2 Brakes
The PROVIDO has 6 electromagnetic brakes which stop the
movements of the stand and surgical microscope:
1
2
3
4
5
6
1 Horizontal at column
2 Horizontal front
3 Up/down in parallelogram
4 In the rotary joint
5 In the C sledge of the microscope carrier
6 At the A/B sledges of the surgical microscope
Brakes are operated via the handle.
The button of the handle with the assigned function "Selected
Brakes" (refer also to the chapter on "Assigning handles",
page45) can trigger different brake combinations. The selected
brakes can be freely configured, see chapter 9.3.9.

Functions
16 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 17
5.2.1 Selected Brakes – XYZ Free
The following movements can be performed with the surgical
microscope when the brake combination "XYZ Free" is activated:
5.2.2 Selected Brakes – Focus Lock
The following movements can be performed with the surgical
microscope when the brake combination "Focus Lock" is activated:
5.2.3 Selected Brakes – Carrier Free
The following movements can be performed with the surgical
microscope when the "Carrier Free" mode is activated:
The Carrier Free mode has the following difference to the Focus
Lock:
In the Carrier Free mode the handle button has to be pressed only
once while in the Focus Lock mode the handle button has to be
pressed and held.
It is advisable to ensure that the PROVIDO is in balance stage
before turning ON this function.

Functions
16 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 17
5.3 Illumination
The main illumination of the PROVIDO is a xenon lamp and is
located in the stand. Illumination is routed to the optics carrier via
fibre optic light guide.
The backup lamp can be either another xenon lamp or a LED lamp.
In case of a failure of the lamp in use, the other lamp can be
selected manually with the sliding switch below the horizontal arm
(see page 21).
5.3.1 AutoIris
AutoIris synchronizes the illumination field automatically according
to the magnification factor.
Using the manual override, the illumination field can be adjusted
manually.
5.3.2 BrightCare Plus
BrightCare Plus is a safety function which automatically limits the
maximum brightness depending on the working distance.
Excessively bright light can, in combination with a short working
distance, cause burns in patients.
When shipped from the factory, the "BrightCare Plus" safety
function is activated for all users.
Luminous energy
The optics of the PROVIDO have a variable working distance of
between 225 and 600 mm. For Xenon lamp 300W the system is
designed in such a way that it delivers sufficient light to produce a
bright image even at a long working distance of 600 mm.
In accordance with the formula Ev=Iv/d2, the light quantity
continually increases by 710% when the working distance is
changed from 600 to 225 mm.
(Ev= light intensity, Iv= brightness, d= distance from light
source).
This means that less light is required to work with the microscope
at a shorter distance than at a greater distance.
It is advisable to begin with a low light intensity and
increase it until an optimum level of illumination is
achieved.
Heat release
Heat from non-visible light (over 700 nm) is filtered out of the light
from the used xenon light source. Nevertheless, white light also
always develops heat. An excessive amount of white light can lead
to overheating of tissue and metal objects.
It is advisable to begin with a low light intensity and
increase it until an optimum level of illumination is
achieved.
BrightCare Plus display
When BrightCare Plus is activated, the red line on the brightness
adjustment bar shows the maximum adjustable brightness for the
current working distance.
The brightness cannot be set to a level beyond the red line unless
the BrightCare Plus function is intentionally deactivated.
When the working distance is reduced too much at a set brightness,
the brightness is reduced automatically.
5.4 Leica FusionOptics
This feature provides an augmentation in resolution and depth of
field for an ideal 3-D optical image.
Leica FusionOptics operates with two separate beam paths with
different information: the left beam path is optimized for high
resolution, the right beam path for optimum depth of field.
The human brain merges these two very different images to a
single, optimal spatial image.

Controls
18 PROVIDO Ref. 10732418 / Version 03 PROVIDO Ref. 10732418 / Version 03 19
5.5 Leica SpeedSpot
PROVIDO is equipped with the Laser focussing aid Leica SpeedSpot.
If Leica SpeedSpot is activated for the current user (see page46),
the focussing aid is released when the brakes are released or when
focussing.
Two convergent light beams meet exactly in the focussing point of
the microscope.
Exit of the laser beams
Laser
Course of the laser beams
Laser
6 Controls
6.1 PROVIDO microscope with arm
system
1 C sledge
2 Microscope carrier
3 Handle clamping lever
4 Handle
5 B sledge
6 A sledge
7 Optics carrier
8 Display of set working distance and magnification
9 Status LED for fluorescence recording
LED lights up red = recording in progress
10 Status LED for fluorescence
• LED OFF: Fluorescence not available
• Yellow color LED ON: Fluorescence FL800 is now
inoperation.
• Cyan color LED ON: Fluorescence FL560 is now
inoperation.
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