TM 11-5820-489-10
TO 31R4-2GRA6-31
q
Remove battery cover by sliding
to the right to release tabs,
then lift off.
At rear, install 2 batteries
q
(BA-30) into smaller compartment
on right.
Lay first battery on its side and
q
slide into compartment floor so
top portion (positive electrode)
enters first and touches the flat
contact inside.
Slide other
battery into same area
q
above first
battery, so that the
flat bottom
(negative electrode)
enters first
and touches spring
contact.
Insert Battery (BA-414/U) into the
q
larger space, so that the octal
socket, faces you.
Insert this
end first