External Power
Setting
Turn off backlight if device is
not used for
Timer
Turn on backlight when a
button is pressed or the
screen is tapped
When the MX9 is on external power and the backlight timer expires, the display and the backlights for the display and
keypad are turned off. Default value is 1 minute and both the check boxes are enabled. Adjust the settings and tap ok
to save the changes. The changes take effect immediately.
5 - 34
Default
Enabled
1 min
Enabled
This option is always Enabled,
unchecking this option has no
effect.