User Manual version 2.1
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6.2.1.3. CMOS Clear Setting (JP4)
Before setting “CMOS Clear”, remember to turn off the
power supply to avoid damaging the computer board.
After the setting, before turning on the power supply, set
the jumper back to “3.6V Battery on”.
JP4: CMOS Clear Setting
default setting
6.2.1.4. LCD Power Setting (JP1)
5V 3.3V
default setting
3.6V Battery On
CLR
Clear CMOS
CLR