Switch On Backup Battery; Supply Power To The Ht680 - Unitech HT680 User Manual

4. Cover the battery.

Switch On Backup Battery

Locate the backup battery switch inside the battery
compartment on the left-hand side. Please ensure that
it is in the "ON" position before charging the main
battery.

Supply Power to the HT680

Before using the power adapter, please follow the instruction made below to
remove the O-ring from the socket of the adapter.
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