TM-901N/TM-902/TM-903
13
12 Backlight on or off setting mode
Press the
key to power on.
Press the
key for more than 2
Second to enter Setting mode into setting
mode.
Press the
key setting to auto power on
or off setting Press the
key to backlight
set
Press the
key again to backlight
setting mod
Press the
key to change ON or OFF.
Press the
key to enter and exit setting
mode, shown in Figure.