Leica M525 OH4 User manual

Leica M525 OH4
User manual
10 714 367 – version -

Leica M525 OH4 / Ref. 10 714 367 / 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 ben-
efits 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
Leica M525 OH4 / Ref. 10 714 367 / Version -
Introduction 3
Controls 6
Preparation for operation 21
Use 37
Safety notes 58
Care and maintenance 68
What to do if...? 73
Technical data 77
1

Contents
Leica M525 OH4 / Ref. 10 714 367 / Version -
screen
Introduction
User manual 3
Product identification 3
Symbols in this user manual 3
Design 4
Controls
Leica M525 microscope with swing arm 6
Control unit 7
Terminals 7
Stand 8
CAN handles 9
Mouth switch 9
Footswitch 9
Beam splitter 17
Beam splitter with counterweight 17
180° assistant’s attachment 17
Ultra Observer Leica ULT500 17
Dual Imaging Color Module Leica DI C500 18
Stereoscopic co-observer tube 18
Tubes 18
Video and photo accessories for Leica M525 20
Preparation for operation
Checklist: before the operation 21
Installing optical accessories 22
Setting the tube 23
Setting the eyepiece 24
Installing documentation accessories 24
Selecting documentation accessories 26
Stand settings 27
Changing the weight disk on the D-axis 33
Releasing the brakes 34
Transport, transporting and rest positions 35
Positioning on the operating table 36
Attaching sterile controls 36
Use
Positioning the microscope 37
Adjusting the microscope 38
Control unit with touch panel 43
Leica DI C500 52
Autofocus settings 54
The Maintenance menu 56
Microscope settings 57
The "How to..." menu 57
The Service menu 57
2
screen
Safety notes
Intended use 58
Directions for the person responsible for the
instrument 58
Directions for the operator of the instrument 59
Dangers of use 60
Manufacturer's declaration of electromagnetic
compatibility (EMC) 62
Signs and labels 66
Care and maintenance
Maintenance instructions 68
Cleaning the touch panel 68
Maintenance 68
Changing bulbs 69
Checking the timer for the xenon lamp 69
Changing fuses 70
Notes on reprocessing of
resterilizable products 71
Instructions 71
What to do if...?
General faults 73
TV, photography 75
Error messages on the control unit 76
Technical data
Electrical data 77
Leica M525 77
Accessories 77
IGS 78
Fluorescence 78
Floor stand 78
Ambient conditions 79
Standards fulfilled 79
Limitations of use 79
List of weights of balanceable configurations 80
Dimensional drawings 81

Introduction
Leica M525 OH4 / Ref. 10 714 367 / 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 code and serial number of your product are provided
on the nameplate found on the illumination unit. 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 Warning regarding use hazard or
improper use which can cause serious
personal injury or death.
Caution Warning regarding use hazard or
improper use which can cause minor per-
sonal injury, but considerable damage to
property, assets and the environment.
Useful information that can help the user
operate the product correctly and
efficiently.
Call to action; here you are asked to do -
something.
➩
3

Introduction
4Leica M525 OH4 / Ref. 10 714 367 / Version -
Design
surgical microscope Leica M525 OH4
1 Swing arm
2 Tiebar
3 Video monitor (optional)
4 Control unit with touch panel
5 Suspension device for footswitch
6 Illumination unit
7 Base
8 Optical carrier Leica M525
1
2
3
4
6
8
5
7

Introduction
5
Leica M525 OH4 / Ref. 10 714 367 / Version -
1 Vertical arm
2 Terminals
3 Footbrake
4 Handle
5 Articulated arm for monitor
6 Camera control unit (optional)
7 System unit Leica MDRS3 (optional)
The Leica M525 with its open architecture, offers space for accommodating the video control unit and the Leica MDRS3.
4
3
1
2
5
6
7

Controls
6Leica M525 OH4 / Ref. 10 714 367 / Version -
Microscope Leica M525 with swing arm
1 Status LED for fluorescence
- LED lights up white = white light mode
- LED lights up blue = blue light mode
- LED lights up yellow = NIR mode
- LED lights up green = Playback mode
2 Status LED for recording LED lights up red = recording in
progress
3 Push-button for intraoperative AC/BC balancing
4 Switch for manual balancing of the C-carriage
5 C-carriage
6 CAN handle
7 Display of set working distance
8 Optical carrier M525
9 Switch for manual balancing of the A-carriage
10 A-carriage
11 CAN handle clamping lever
12 Switch for manual balancing of the B-carriage
13 B-carriage
14 Swing mount
1
23
4
5
6
789106
11
12 13
14
15 CAN socket for accessories (DI C500, FL400)
16 CAN socket (not used)
17 Optical fiber
18 Rotary button for zoom adjustment
19 Rotary button for illumination field diameter adjustment
20 Reset button for zoom dependent illumination field diameter
adjustment
21 Status of multifocus LED
22 Multifocus key
23 Rotary button for focus adjustment
24 Working distance display
18
19
20
21
22
24 23
15
16
17

Controls
7
Leica M525 OH4 / Ref. 10 714 367 / Version -
Control unit
1 Touch panel
2 Push-button with illumination LED (on/off)
3 Push-button with LED for Auto Balance
Terminals
4 AD.F. Additional Function 2
5 AD.F. Additional Function 1
6 Footswitch or handswitch 2
7 Footswitch or handswitch 1
8 Internal CAN
9 External CAN
10 External CAN
AD.F. 1 and 2 are digital relay outputs that can switch
24V/2A.
4 8 9 105 6 7
1
2
3
11 Storz light source 18 for Sony NIR camera
12 UV camera Hitachi 19 Leica MDRS3
13 BNC IN (2x) 20 SVGA IN 3
14 BNC OUT 21 SVGA IN 2
15 S-Video IN (2x) 22 SVGA IN 1
16 S-Video OUT 23 SVGA OUT to Leica DI C500
17 Storz footswitch
24 S-Video adapter
25 BNC adapter
26 Ethernet adapter
Terminals 24, 25 and 26 are adapters which can be
used to lead out the terminals of the optional
Leica MDRS3 system unit or a camera control.
24 25 26
12
13
14
15
16
17
18
19
20
21
22
23
11

Controls
Leica M525 OH4 / Ref. 10 714 367 / Version -8
Stand
1 Illumination unit
2 Access door
3 Screw knob
4 Master switch for Leica M525 OH4 surgical microscope
5 Selector switch 100V/120V/220V/240V
6 Power supply
7 Potential equalization socket
8 Fuse box flap
4
5
6
7
8
1
2
3
9 Lamp inserts for main illumination or backup illumination
10 Lever for switching to standby illumination
The Leica M525 OH4 surgical microscope has a
primary illumination source and an equivalent standby
illumination source.
10 9

Controls
9
Leica M525 OH4 / Ref. 10 714 367 / Version -
CAN handles
1 Zoom
2 4-function joystick
3 Focus
4 Release All Brakes
5 Release preselected brakes
1
2
4
3
5
Mouth switch
6 Release preselected brakes
6
You can assign switches 1, 2, 3 and 5 of the CAN handles individually for each user in the configuration menu
(see page 50).
Footswitch
Here you will find an overview of the footswitches which you can use to control your Leica M525 surgical microscope.
Footswitches can be assigned individually for each user in the configuration menu (see page 48).
Footswitch Footswitch Footswitch Footswitch
12 functions crosswise 16 functions crosswise 12 functions lengthwise 16 functions lengthwise

Controls
10 Leica M525 OH4 / Ref. 10 714 367 / Version -
Presets "Cranial"/"Spine"/"ENT"
Here you will find an overview of the assignments of the CAN
handles and an optionally connected footswitch for the preset
user "Cranial"/"Spine"/"ENT".
You can assign CAN handles and footswitches
individually for each user in the configuration menu
(see pages 48 and 50).
Y+
Focus +
Y-
X+
Zoom +
X-
Zoom -
Focus -
All Brakes
Selected brakes
Y+
X+
Y-
Zoom +
X-
No function
Focus -
Focus +
No function
No function
Zoom -
Y+
X-
Y-
Focus +
Focus -
All Brakes
Selected brakes
X+
Zoom +
Zoom -
No function

Controls
11
Leica M525 OH4 / Ref. 10 714 367 / Version -
Preset "Image Injection IGS DI C500"
Here you will find an overview of the assignments of the CAN
handles and an optionally connected footswitch for the preset
user "Image Injection IGS DI C500".
You can assign CAN handles and footswitches
individually for each user in the configuration menu
(see pages 48 and 50).
IGS 3
Focus +
Zoom +
Zoom -
Focus -
All Brakes
Selected brakes
Y+
X+
Y-
Zoom +
X-
IGS 3
Focus -
Focus +
IGS 2
IGS 1
IGS 4
Zoom -
Y+
X-
Y-
Focus +
Focus -
All Brakes
Selected brakes
X+
Zoom +
Zoom -
IGS 4 IGS 2
IGS 1

Controls
12 Leica M525 OH4 / Ref. 10 714 367 / Version -
Preset "Image Injection ENDO DI C500"
Here you will find an overview of the assignments of the CAN
handles and an optionally connected footswitch for the preset
user "Image Injection ENDO DI C500".
You can assign CAN handles and footswitches
individually for each user in the configuration menu
(see pages 48 and 50).
No function
Focus +
DI C500:Shutter control
Zoom +
DI C500: Display on/off
Zoom -
Focus -
All Brakes
Selected brakes
Y+
X+
Y-
Zoom +
X-
DI C500:
Display on/off
Focus -
Focus +
No function
No function
Zoom -
Y+
X-
Y-
Focus +
Focus -
All Brakes
Selected brakes
X+
Zoom +
Zoom -
No function
DI C500:
Shutter control

Controls
13
Leica M525 OH4 / Ref. 10 714 367 / Version -
Preset "Fluorescence Vascular FL800"
Here you will find an overview of the assignments of the CAN
handles and an optionally connected footswitch for the preset
user "Fluorescence Vascular FL800".
You can assign CAN handles and footswitches
individually for each user in the configuration menu
(see pages 48 and 50).
FL800 NIR Zoom Reset
Focus +
Zoom +
FL800 Mode on/off
Zoom -
Focus -
All Brakes
Selected brakes
Y+
X+
Y-
Zoom +
X-
Focus -
Focus +
Zoom -
MDRS3 FL:Menu&Down
FL800 Mode on/off FL800 NIR
Zoom Reset
MDRS3 FL:Menu&Down MDRS3 FL:
Playback&Enter
MDRS3 FL: Playback&Enter
Y+
X-
Y-
Focus +
Focus -
All Brakes
Selected brakes
X+
Zoom +
Zoom -

Controls
14 Leica M525 OH4 / Ref. 10 714 367 / Version -
Preset "Fluorescence Oncology FL400"
Here you will find an overview of the assignments of the CAN
handles and an optionally connected footswitch for the preset
user "Fluorescence Oncology FL400".
You can assign CAN handles and footswitches
individually for each user in the configuration menu
(see pages 48 and 50).
No function
Focus +
Zoom +
FL400 Mode on/off
Zoom -
Focus -
All Brakes
Selected brakes
Y+
X+
Y-
Zoom +
X-
Focus -
Focus +
No function
No function
Zoom -
No function
No function
FL400 Mode on/off No function
Y+
X-
Y-
Focus +
Focus -
All Brakes
Selected brakes
X+
Zoom +
Zoom -

Controls
15
Leica M525 OH4 / Ref. 10 714 367 / Version -
Preset "Fluorescence Oncology FL400 & IGS DI C500"
Here you will find an overview of the assignments of the CAN
handles and an optionally connected footswitch for the preset
user "Fluorescence Oncology FL400 & IGS DI C500".
You can assign CAN handles and footswitches
individually for each user in the configuration menu
(see pages 48 and 50).
IGS 3
Focus +
Zoom +
IGS 4
Zoom -
Focus -
All Brakes
IGS 3
Zoom +
Focus -
Focus +
No function
No function
Zoom -
IGS 1
IGS 2
FL400 Mode on/off No function
IGS 4 IGS 2
IGS 1
Y+
X-
Y-
Focus +
Focus -
All Brakes
Selected brakes
X+
Zoom +
Zoom -
FL400 Mode on/off

Controls
16 Leica M525 OH4 / Ref. 10 714 367 / Version -
Preset "Fluorescence Oncology FL400 & Vascular FL800"
Here you will find an overview of the assignments of the CAN
handles and an optionally connected footswitch for the preset
user "Fluorescence Oncology FL400 & Vascular FL800".
You can assign CAN handles and footswitches
individually for each user in the configuration menu
(see pages 48 and 50).
FL800 NIR Zoom Reset
Focus +
Zoom +
FL800 Mode on/off
Zoom -
Focus -
All Brakes
FL400 Mode on/off
Zoom +
Focus -
Focus +
No function
No function
Zoom -
MDRS3 FL: Menu&Down
MDRS3 FL: Playback&Enter
FL400 Mode on/off No function
FL800 NIR Zoom Reset
MDRS3 FL: Playback&Enter
MDRS3 FL: Menu&Down
FL400 Mode on/off
Y+
X-
Y-
Focus +
Focus -
All Brakes
Selected brakes
X+
Zoom +
Zoom -

Controls
17
Leica M525 OH4 / Ref. 10 714 367 / Version -
A comprehensive range of accessories enables the
Leica M525 OH4 surgical microscope to be matched to the
requirements of the task in hand. Your Leica representative will
be pleased to help you select the appropriate accessories.
Beam splitter
• Can be used for co-observation or documentation
Light distribution: 50% on each side (mono) or 30% / 70%
Beam splitter with counterweight
• Can be used for co-observation or documentation
Light distribution: 50% on each side (mono)
180° second observer attachment
• Allows a second observer to view the procedure
Ultra Observer Leica ULT500
• Beam splitter with eight optical ports
• Light distribution:
Surgeon (front) 40% (stereo)
Assistant (rear) 40% (stereo) or
Assistant (side) 40% (mono)
Documentation (side) 20%
ULT 500LEICA
VIDEO

Controls
18 Leica M525 OH4 / Ref. 10 714 367 / Version -
Dual Imaging Color Module Leica DI C500
• Beam splitter with eight optical ports
• Integrated color display shows data or video images.
• Light distribution:
Surgeon (front) 40% (stereo)
Assistant (rear) 40% (stereo) or
Assistant (side) 40% (mono)
Documentation (side) 20%
VIDEO
Stereo attachment for second observer
• Is attached to the side outputs of a beam splitter.