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4 • Service mode
80116-221
10.15
5 Display
brightness
Selection of the dis-
play brightness in
10
levels.
Activate setup: Press the yellow selection button.
The current setting appears in the
blue display.
Change settings: Press the blue Plus/Minus buttons.
The setting change appears in the
blue display.
Save setting change: Press and hold the top left selection
button until a check mark in the
adjacent display indicates the end of
the process.
Exit setup: Press the yellow selection button
again. The settings display goes out
in the blue display.
No. Designation Description Use
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