Hitachi ZAXIS 135US-5B Operator's Manual page 124

5. Press selector knob (2) to display Brightness Adjustment
screen (7).
6. Rotate selector knob (2) clockwise to make the screen
brighter, counterclockwise to make the screen darker.
f
NOTE: When the light is turned ON, the monitor screen
changes to night mode and mark (8) is displayed. Brightness
can be adjusted for day mode and night mode respectively.
f
NOTE: Even if the light is turned ON during daytime, you can
activate the daytime screen by pushing "0" (9) on the numeric
keypad.
OPERATOR'S STATION
1-60
2
MDCD-01-026
7
MDAA-01-172EN
8
MDAA-01-173EN
9
MDAA-01-018