User manual - DT-810M60E

E-19
To remove the lithium-ion battery pack
1 Slide the main battery compartment cover lock
to the FREE position and remove the cover.
2 Slide the lithium-ion battery pack from the
battery compartment cover.
Installing the Back-up Battery
1 Use a screwdriver to rotate the screw that
secures the backup battery holder in place
counterclockwise to loosen it.
2 Insert a screwdriver or some flat object into the
back of the backup battery holder and pull out
it.