18
Notes on unit disposal
Remove the built-in lithium-ion battery when
disposing of the unit, and return the battery to a
recycling location.
The procedure for removing the battery is
explained below.
Note
Never disassemble the unit except when disposing of
it.
1 Press the RESET button to turn off the
unit.
2 Remove the rubber plugs on the rear
of the unit, then the screws using a
screw driver.
NV-U93T/U83
Remove the 2 rubber plugs, then the 4 screws.
NV-U73T/U53
Remove the 4 rubber plugs, then the 4 screws.
3 Remove the rear cover.
NV-U93T/U83
Use a sharp object, such as a flat head driver,
in the places shown in the illustration to
release the catches and open the rear cover.
NV-U73T/U53
Press where shown in the illustration 1 and
2 to release the catches, then open the rear
cover with your hands 3.
3
1
2
