Omron HCG-801 - Manual (Page 35)

BRIGHTNESS
Press the button or button, to adjust
the brightness.
The brightness can be set to one of nine levels.
Brightness increases as the marker moves to the right.
HOW TO ADJUST THE SETTINGS
35
The current brightness level is displayed
at the bottom of the screen. The mark indicates the brightness level.
* The default setting is the maximum brightness level.