Zeiss OPMI Lumera i, Instructions For Use Manual

Page: 120 / 184

Operation OPMI Lumera i
Version 8.0
Page 120 G-30-1720-en
Performing the black balance procedure
In the black balance procedure, the system adjusts the video signal in such
a way that black areas in the surgical field are also black on the monitor.
• Press the <Video><Edit><Black Balance> buttons in the main menu.

The display shows the prompt “Please switch the light off, cover the
objective lens and the eyepieces. Then press ‘Continue’”.
• Switch off all light sources of the system.
• Cover the objective lens so that no light can enter.
• Press the <Continue> button.

The display shows the message
“Please wait – black balance in progress!”

After successful completion of the black balance procedure,
the confirmation “Black balance successful” is displayed.
Otherwise, the message “Black balance failed” appears.
• If black balance failed, check the settings described above and repeat the
black balance procedure.
• Press the button to return to the previous menu.