There are two ways to supply power: AC power supply and Lithium battery power supply.
AC power operation
Connect one end of the mains lead to the DC ~IN socket and the other end to an AC outlet,
and set the POWER ON/POWER OFF select switch to POWER ON.
Lithium battery power supply
When the lithium battery be full charged, push the POWER ON/POWER OFF select switch to
POWER ON, the unit will start work.
Once you connect the unit to the AC outlet, the lithium battery will be charged. The indicator
light has been flashing during charge period.
POWER SUPPLY
GB-3
