Leica OH4, Service Manual, Page: 195 / 264

Use
53 Leica M525 OH4 / Ref. 10 714 367 / Version -
Clicking the "+" or "-" key changes the brightness value
in increments of one. Holding down the mouse button
with your finger changes the value in increments of
five.
Shutter settings for manual operation:
You can adapt these settings intraoperatively using the
CAN handle or on the "DI C500" screen on the control
unit (see page 48).
Shutter settings:
➩
Specify how data are to be displayed on your Leica DI C500 in
the options menu "Manual Shutter Settings (Main Shutter)".
Overlay Data (open)
Displayed data are overlaid on the object.
All shutters are opened.
Non-Overlay (closed)
Displayed data are displayed on a black background. The shut-
ter on the display side is closed.
A connected IGS navigation system automatically con-
trols the shutter independent of this setting.
Surgeon's shutter settings
➩
In the options menu "Surgeon Shutter Settings (Non Overlay
Data)" specify whether you want with or without object view
in the non reflected beam path on the surgeon's side.
Surgeon's shutter closed
The second beam path is dimmed. In the other beam path, the
data is displayed on a dark background.
This setting does not affect the assistant's view.
Surgeon's shutter open
You have a view of the object in the second beam path. In the
other beam path, the data is displayed on a dark background.
In the preview window you can view the shutter
settings you have selected, depending on the display
side that is currently set on your Leica DI C500.