Hitachi PSC-A32MN Installation And Operation Manual page 65

Operation
5.3.9 Screen Display Setting
5.3.9.1 Adjustment of backlight brightness of the touchscreen display
1 Select "Screen Display Setting" at the "Menu" screen.
(1)
2 Select "Brightness" at the "Screen Display Setting" screen.
(2)
3 Tap "<" or ">" to adjust the brightness of the backlight.
4 Tap "Setting Completed" (4) to return to the "Menu" screen.
(3)
(4)
57 PMML0332A rev.0 - 05/2015