Backlight; Battery Power - Honeywell MX9 Reference Manual

Backlight

Start > Settings > System > Backlight
Set the power management timers for the display and keyboard backlights. Set the display brightness for battery and external
power.
IMPORTANT – When the backlight timer expires, the display backlight and the display are OFF, as is the keypad backlight.
This is the System Idle state, there are no other Idle states.

Battery Power

Factory Default Settings
Turn off backlight if device not used for
Timer
Turn on backlight when a button is pressed or the screen is
tapped
Note: Turn on backlight when a button is pressed or the screen is tapped: This affects wake-up from Suspend only.
With this unchecked, the device does not wake-up from Suspend on touch or key press. It will wake-up on other
events or Power key press.
When the MX9 is on battery power and the backlight timer expires, the display and the backlights for the display and keypad
are turned off. Default value is 30 seconds and both the check boxes are enabled. Adjust the settings and tap OK to save the
changes. The changes take effect immediately.
Enabled
30 sec-
onds
Enabled
4-73