Controlling Zoom And Focus - Leica M500 OH3 Service Manual

Operation

Controlling zoom and focus

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.
If the zoom or focus motor fails, the zoom or focus can
be set manually.
With footswitch
➩Control zoom and focus by pressing on the pedals.
The pedals are moved crosswise or lengthwise.
The configuration of the buttons and pedals can be selected
individually (see the section entitled «Changing settings for
footswitch 1/2», Page 25).
With handgrips
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Zoom (1)
– Upper button: magnify
– Lower button: reduce
Focus (2)
– Upper button:
increase working distance
– Lower button:
decrease working distance
Leica M500 OH3 / Ref. 10 711 894 / Version -
Setting zoom and focus speed
The zoom and focus speed is set at the control unit (see the
section entitled «Setting focus and zoom speed, magnification
and working distance», Page 24).
Setting zoom manually
Caution
Zoom motor can be permanently damaged!
➩Only adjust the zoom manually if the zoom motor is
defective.
If the zoom motor fails, zooming can be set manually with the
rotary knob (3).
➩Press rotary knob (3).
➩Set desired zoom by rotating it.
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