Settings; Adjust Brightness; Lock The Control Panel - Brother WD-200 SERIES User Manual

4. Settings

Adjust brightness

Press the brightness button on the control box to adjust
the brightness of the image.

Lock the control panel

To lock the panel (the key lock function), preventing
unintentional operation, press the mode button and the rotate
button on the control box at the same time.
The key lock LED is lit in orange when the key lock is active.
[Note] To unlock the key lock, press the mode button
and the rotate button at the same time again.
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