Leica OH4, Service Manual, Page: 163 / 264

Preparation for operation
21 Leica M525 OH4 / Ref. 10 714 367 / Version -
Checklist: Before the operation
Cleaning the optical accessories
➩
Check the tubes, eyepieces and the documentation
accessories (if used) for cleanliness.
➩
Remove dust and dirt (see page 68).
Installing accessories
➩
Lock the Leica M525 OH4 in place and install all accessories
on the microscope so it is ready for use (see page 22).
➩
Position the CAN handles as required.
➩
Connect a mouth switch and/or footswitch (if used).
➩
Check the camera image on the monitor and realign if
necessary.
Checking tube settings
➩
Check the tube and eyepiece setting for the selected user
(see page 24).
➩
Treat the eyepieces with an antifogging compound if
necessary.
Balancing
➩
Balancing the Leica M525 OH4 (see page 27).
➩
Press the "All Brakes" button on the CAN handle and check
the balancing.
Function check
Warning 1
Danger of fatal electrical shock.
➩
The Leica M525 OH4 surgical microscope may be
connected to a grounded socket only.
➩
Connect the power cable.
➩
Switch on the microscope.
➩
Switch on the illumination at the control unit.
Leave the illumination on for at least 5 minutes, as
otherwise luminosity will decrease rapidly.
➩
Replace defective bulbs before the operation begins.
➩
Test all functions on the CAN handles and on the footswitch.
➩
Check the user settings on the control unit for the selected
user (see page 45).
Positioning at the OP table
➩
Position the surgical microscope on the OP table as required,
and lock the footbrake (see page 35).
Sterility
➩
Fit sterile components and sterile drape if used (see page 36).
Warning 2
Danger of fatal electric shock
➩
Operate the system only with all equipment in its
proper position (all covers fitted, doors closed).