Honeywell Dolphin 6000 User Manual page 52

1. Tap > Settings > System > Backlight.
There are three tabs:
Battery
Power
External
Power
Brightness
The options on the Battery Power tab and the External Power tab are same.
Turn Off
Backlight
Turn On
Backlight
7 - 8
Settings for the backlight to turn off when the terminal is using battery power.
Settings for the backlight to turn off when the terminal is using external
power.
Settings for the backlight brightness when the terminal is using battery
power or external power.
Choose this option to turn off the backlight automatically after a designated
period of time.
Choose this option for the backlight to turn on when a button or touch screen
is tapped with stylus or pressed with your finger.