User's Manual

DOT400 User Guide - 106 -
Backlight
You can adjust the brightness level of the display. The
brightness level can be set differently depending on the external
power mode and battery mode. You can also set the display to
be automatically turned off after a certain period of inactivity.
There are four brightness levels- Max, High, Medium and Low.
Select it by moving the slide bar.
Buttons
You can assign your application programs to the specific
function buttons.