Setting Light Field Diameter Of Illumination Field And Working Distance; Lock/Release Multifocal Focus - Leica M500 OH3 Service Manual

Setting light field diameter of
illumination field and working distance
Warning
Severe damage to tissue can result from an incorrect
working distance!
➩When working with lasers, always set the working
distance of the microscope to the laser distance and
lock it there.
Warning
Severe injury to tissue can result from manual
adjustment of the working distance!
➩The rotary knob may not be adjusted for manual
adjustment of the working distance while the laser is
in use.
➩Set the required working distance with the focus buttons on
the handgrip/footswitch or, if a fault occurs, manually with
the rotary knob (2).
➩Set the desired light field diameter/brightness with the rotary
knob (1).
1
2

Lock/release multifocal focus

➩Press button (3).
The yellow LED (4) illuminates and the focus is locked.
➩Press button (3) again.
The yellow LED (4) goes out and the focus is released.
Leica M500 OH3 / Ref. 10 711 894 / Version -
Locking the focus is necessary when using a fixed
working distance or when working with a laser.
3 4
Operation
19