Kimex 161-5502 Manuel D'utilisation page 48

a. Panel Backlight:
Adjust voltage of backlight（1-10）,1 means the
lowest(0.20v） ，10 means the highest(5v).
b. Time Backlight:
Setting
time backlight is on or off.
c. Time Backlight Set:
Setting the backlight of the machine at night and
daytime, and also you can set the start time of daytime
and night
.
As following:
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