Leica M620 F18 User manual

Leica M620 F18
Leica M620 CM18
Leica M620 CT18
User manual
10 714 371 – Version -

Leica M620 / Ref. 10 714 371 / Version -
Thank you for purchasing a Leica surgical microscope system.
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 represen-
tative, please visit our website
www.leica-microsystems.com
Thank you for choosing our products. We hope that you will
enjoy the quality and performance of your Leica Microsystems
surgical microscope.
Leica Microsystems (Schweiz) AG
Surgical Microscopy Business Unit

Chapter overview
1
Leica M620 / Ref. 10 714 371 / Version -
Introduction 3
Control 6
Preparation for operation 10
Use 25
Safety notes 31
Care and maintenance 40
Messages and warnings 44
Technical data 46
This manual covers the following systems:
Leica M620 F18
Leica M620 CM18
Leica M620 CT18

Contents
2Leica M620 / Ref. 10 714 371 / Version -
Page
Introduction
Design and function 4
Ceiling mounts 5
Controls
Control unit 6
Lamp housing 6
Tilt head/focus unit 6
Footswitch 7
User interface of the control panel 7
Stand 8
Remote control for Leica telescope mount 8
Optics carrier 9
Binocular tube, eyepiece, second observer tubes 9
Preparation for operation
Refitting the surgical microscope and balancing the
swing arm 10
Installing binocular tube, eyepiece and objective 11
Fitting adapters for accessories 14
Adjusting the second-observer tube 15
Fitting documentation accessories 17
Selecting documentation accessories 18
Setting the interpupillary distance and eyepoint 19
Adjusting the parfocality 19
Display/change footswitch type 20
Reversing + and – directions of the XY unit 20
Transporting the surgical microscope 21
Positioning the surgical microscope
at the operating table 22
Installing sterile components 23
Checking the function of the lamp 23
Adjusting the park position of Leica telescope mount 24
Adjusting the park position of Leica mini mount 24
Use
Preparing the surgical microscope for use 24
Positioning the microscope 25
Adjusting the focus 25
Adjusting the magnification 25
Adjusting the illumination 26
Switching from main to spare illumination 27
Setting the illumination type and working distance 27
Operation of the control panel 28
Safety notes
Intended use 31
Information for the person responsible for
the instrument 31
User qualifications 31
Information for the user 31
Table 201 from EN 60601-1-2:2001 32
Table 202 from EN 60601-1-2:2001 33
Table 204 from EN 60601-1-2:2001 34
Table 206 from EN 60601-1-2:2001 35
Dangers of use 36
Signs and labels 37
Page
Care and maintenance
Care instructions 40
Cleaning the control panel 40
Maintenance 40
Changing the fuse 41
Changing the bulb 41
Function check 41
Notes on reprocessing of resterilizable products 42
Instructions 42
Messages and warnings
General malfunctions 44
Microscope 44
Telescope 45
TV, photography 45
Technical data
Electrical data 46
Microscope 46
Stands 48
Ambient conditions 49
Standards fulfilled 49
Limitations of use 49
Dimensions 50

Introduction
3
Leica M620 / Ref. 10 714 371 / Version -
User manual
In addition to instructions for use, this user
manual also provides important safety notes (see
the chapter entitled, "Safety notes").
Read the user manual carefully and thoroughly
before placing the product in operation.
Product identification
The model and serial numbers of your product are located on
the identification label on the underside of the control unit, or
at the power input in the case of telescope mounts. Write this
data into your user manual and always refer to it when you
contact us or the service workshop regarding any questions
you may have.
Model: Serial No.:
Symbols in this user manual
The symbols used in this user manual have the following
meanings:
Warning regarding use hazard or
Warning noncompliant use that can lead to
serious injury or death.
Warning regarding use hazard or
Caution noncompliant use that can lead to
minor injury, but significant article,
property or environmental damage.
Information provided to help the user
use the product technically correctly
and efficiently.
Request for action; here, you are
requested to take action.
➩

Introduction
4Leica M620 / Ref. 10 714 371 / Version -
1
2
3
4
5
10
8
9
6
7
Design and function
1 Swing arm
2 XY unit (optional)
3 Tilt head
4 Focus unit
5 Binocular tube
6 Eyepieces
7 Optics carrier
8 Objective
9 Control unit
10 Base
Leica M620 F18

Introduction
5
Leica M620 / Ref. 10 714 371 / Version -
Ceiling mounts
1 Leica M620 CM18
1
2
2 Leica M620 CT18

6Leica M620 / Ref. 10 714 371 / Version -
Controls
Control unit
12
Tilt head
1 Tilt head fine adjustment
Focus unit
2 XY unit reset button
3 Focus reset button
1 Power switch
2 Control panel
Tilt head/focus unit
1
23
Lamp housing
1 Lamp replacement cover
2 Slide button for quick-change lamp mount
1
2

7Leica M620 / Ref. 10 714 371 / Version -
Controls
See page 28 for using the control panel.
Main menu
1 Illumination lighter/darker
2 Zoom up/down
3 Defective lamp warning
4 XY-reversal active
5 Speed menu
6 Reset All
7 XY reset
8 Focus reset
9 User selection 1–4
3
2
7
+
-
4
1
6
5
Footswitch (standard configuration)
User interface of the control panel
1 2 3
4
5
1 2
3 4 5
6 7 8
9
1 XY-adjustment
2 Microscope illumination darker
3 No function
4 Microscope illumination up/down
5 Zoom up/down
6 Focus bottom and top
7 Microscope illumination brighter
See page 29 for alternative footswitches and free
programming of footswitches.
Speed menu
1 Zoom speed setting
2 Focus speed setting
3 XY speed setting
4 Back to main menu
5 Go to service area (password-protected)

Controls
8Leica M620 / Ref. 10 714 371 / Version -
Remote control for Leica telescope mount
1
1 Up/down motion button
11
3
2
4
5
1
Stand
1 Articulation brakes
2 Rotary knob for balancing
3 Retaining hook
4 Footbrake release lever
5 Footbrake

9Leica M620 / Ref. 10 714 371 / Version -
Controls
Optics carrier
1 Filter slot
2 Shutter knob for 6° illumination
3 Handles
3
1
2
3
+5 -5 +5 -5
Binocular tube, eyepiece, second observer tubes
1 Drive knob for eyebase adjustment
2 Diopter adjustment
3 Knurled ring for image correction
1
2

10 Leica M620 / Ref. 10 714 371 / Version -
Preparation for operation
Locking the swing arm
➩Position the swing arm approximately horizontally.
➩Press retaining pin (2) and move the swing arm up and down
until the retaining pin snaps into place.
The swing arm is now locked.
Cleaning the optical accessories
➩Inspect the cleanliness of the eyepieces and objective as
well as any photo or TV adapters as appropriate.
➩Remove the dust and dirt.
Mounting accessories
➩Equip the microscope with all the accessories for use.
Balancing the swing arm
➩Hold the microscope.
➩Pull the retaining pin (2).
The swing arm is now released.
➩Test whether the microscope moves by itself (drifts).
Microscope drifts downwards:
➩Turn the rotary knob (3) clockwise (+).
Microscope drifts upwards:
➩Turn the rotary knob (3) anticlockwise (–).
Warning 1
Risk of injury through surgical microscope moving
down!
➩Never balance or re-equip the instrument over the
field of operation.
➩Balance out the swing arm each time after changing
accessories.
1
22
Refitting the surgical microscope and
balancing the swing arm
3
+
–

11Leica M620 / Ref. 10 714 371 / Version -
Preparation for operation
Installing the binocular tube, eyepiece
and objective
Binocular tube 10° – 50°, ultra low
Binocular tube 10° – 50°, low
Binocular tube, 180° variable
Binocular tube var. 30°–150°
Installing the binocular tube
➩Loosen clamping screw (1).
➩Slide binocular tube into the
dovetail ring.
➩Tighten the clamping screw.
A range of options enables the surgical microscope to be
matched to the requirements of the task in hand.
Inclined binocular tube
Straight binocular tube
Inclined binocular tube 45°
Option for use with assistant
attachment
(not standard configuration)
1
Warning 2
Risk of injury through falling binocular tube!
➩Tighten the clamping screw.
Binocular tube 5°–25°

12 Leica M620 / Ref. 10 714 371 / Version -
Preparation for operation
1
Fitting the eyepiece
➩Place eyepiece in position,
➩Tighten rotary ring (1).
Eyepieces
Eyepiece 10x/21B, adjustable
Eyepiece 12.5x/17B, adjustable
Fitting objectives
Objectives screw onto the microscope with a right-hand thread.
Objectives
Objective WD = 175 mm APO
Objective WD = 200 mm APO
Objective f = 175 mm
Objective f = 200 mm
Objective f = 225 mm
Objective f = 250 mm
Objective f = 275 mm
Objective f = 300 mm
Fitting the objective protection glass
➩Fit the objective protection glass holder (2) to the objective
and position it so that the marking (3) faces back.
➩Hold the objective protection glass (5) in position and turn
slightly to the right.
The objective protection glass will snap into place and the mar-
kings (3) and (4) will match.
The objective protection glass is not autoclavable.
23
4
5

Preparation for operation
13
Leica M620 / Ref. 10 714 371 / Version -
Inserting additional filters
The Leica M620 features two slots for additional filters.
Temperature-resistant 32 mm dia. filters may be used.
For further information, please contact your Leica
representative.
➩Remove cover (1) of the filter slots.
➩Mount filter in filterholder with a tension ring.
➩Insert the filterholder (2).
1
2

Preparation for operation
14 Leica M620 / Ref. 10 714 371 / Version -
Fitting adapters for accessories
Beam splitter 50/50% observation,
alternatively beam splitter 70/30% observation
Stereo adapter for accessories
For the installation of accessories with M600 (dovetail ring)
mount under beam splitters with Leica M500 mount
(e.g. "Wild" laser filters).
Adapter for Zeiss accessories to Leica M500 mount
Adapter for Leica M600 accessories to Leica M500 mount
1
1
Installing the beam splitter/stereo adapter
➩Loosen clamping screw (1).
➩Place beam splitter/stereo adapter into the dovetail ring.
➩Tighten the clamping screw.
Fitting the adapter
➩Insert the adapter in the beam splitter.
➩Tighten rotary ring (1).

Preparation for operation
15Leica M620 / Ref. 10 714 371 / Version -
Stereo attachment for second observer
The dual stereo attachment can be attached to the left or right
on the beam splitter and turned as required.
Adjusting the second observer tube
➩Turn the monocular second observer tube in the desired
direction.
➩Adjust the diopter setting at the eyepiece.
➩Correct the image with the knurled ring (2).
Adjusting the stereo attachment for second observer
➩Turn the attachment for second observer in the desired
direction.
➩Align the binocular tube horizontally.
➩Adjust the diopter setting at the eyepiece.
➩Correct the image with the knurled ring (2).
2
Install stereo attachment/second observer tube
➩Insert the stereo attachment/second observer tube into the
beam splitter.
➩Tighten rotary ring (1).
1
Adjusting the second-observer tube

Preparation for operation
16 Leica M620 / Ref. 10 714 371 / Version -
Using the assistant's stereomicroscope
Warning 15
Risk of injury through falling surgical microscope!
➩Check the mounting of the assistant's stereomicros-
cope before every use.
The assistant's stereomicroscope can be used with the
following objectives:
- WD = 175 mm
- f = 200 mm
➩Mount adapter with included screws (see manual of assi-
stant's stereomicroscope).
➩Focus assistant's image with sterile-operable focus drive (2).
Moving assistant's stereomicroscope to left/right:
➩Remove sterile grips (3) with hub.
➩Loosen clamping screw (1) and turn assistant's stereo-
microscope.
➩Tighten clamping screw (1).
➩Turn hub and reattach sterile grips (3).
12
3
Depending on the accessories used, the turning range
may be partially or completely restricted.

17Leica M620 / Ref. 10 714 371 / Version -
Preparation for operation
Fitting documentation accessories
Fitting the Leica 2D
➩See Leica 2D User Manual (10708979).
Fitting the photo/TV dual attachment
➩Fit dual attachment on the assistant side of the 0°-assistant’s
attachment or on the beam splitter.
➩Equip the video camera with the TV objective and insert into
the dual attachment.
➩Tighten clamping screw.
➩Equip the photo camera with the camera adapter. Screw the
photo objective to the camera adapter. Fit the camera to the
dual attachment.
➩Tighten the clamping screw.
➩Loosen the clamping screw and engage the video camera
until it latches in one of the 45° steps depending on the
available space.
➩Tighten clamping screw.
The object image at the camera output is laterally
reversed!
Using the dial, the brightness of the video can be adjus-
ted to 30%, 50% or 100%. One of these filters can be swit-
ched with the 8% filter provided. To do so, remove the
camera and change the filter in the TV output.
TV attachment / zoom video adapter
➩Fasten the TV attachment to the video port of the
O° assistant attachment or beam splitter.
➩Screw the adapter to the camera using the C-mount.
➩Insert the camera with the adapter into the TV attachment
and tighten the clamping screw.
90° click-stop (TV attachment only):
➩Loosen the clamping screw.
➩Latch the camera at one of the 90° steps in accordance with
the space available and tighten the clamping screw.
Adjust the parfocality of the zoom video adapter:
➩Set to the maximum magnification.
➩Place a flat test object with sharp contours under the
objective.
➩Look through the eyepieces and focus the microscope.
➩Set to the minimum magnification.
➩Set the maximum magnification (f=100) on the zoom.
➩Focus the monitor image on the zoom video adapter.
➩Set the desired magnification at the zoom video adapter.
Fitting the phototube
➩Fasten the phototube to the video port of the 0°-assistant’s
attachment or to the beam splitter.
➩Secure the camera adapter to the SLR camera.
➩Connect the f = 250 mm or f = 350 mm adapter to the camera
adapter.
➩Secure the camera, complete with adapter, in the phototube.
Tighten the clamping screw.
Clamping screw
Camera adapter
Camera
Focusing knob
Adjusting the magnification
Adapter
Phototube
Clamping screw
Video camera (e.g. Leica 2D C-Mount)
C-mount adapter
TV attachment
Clamping screw
Video camera (e.g. Leica 2D C-Mount)
Beam splitter
Beam splitter

18 Leica M620 / Ref. 10 714 371 / Version -
Preparation for operation
70mm
1“
2/3 “
1/2 “
1/3 “
1/4 “
107mm100mm85mm60mm55mm35mm
PhotoTV dual
attachment
TV
attachment
TV
attachment
TV
attachment
PhotoTV dual
attachment
Zoom video adapter Zoom video
Adapter
250 mm
Photo/TV dual attachment
35 mm
Digital
Photo
Camera
350 mm
Selecting documentation accessories
Field of view
Monitor/image