External Power

Setting

Default

 

 

Turn off backlight if device is

Enabled

not used for

 

 

 

Timer

1 min

 

 

Turn on backlight when a

Enabled

button is pressed or the

This option is always Enabled,

screen is tapped

unchecking this option has no

 

effect.

 

 

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.

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