TM 1-1680-359-10
2-7. OPERATING PROCEDURE (Cont)
homing and 10 miles for voice contact. For maximum transmit and receive, keep hands away from antenna when the
radio is in operation and hold in a vertical position with the antenna pointed straight up. Perform the following steps prior
to use.
WARNING
Leave the function switch in the OFF position. Unauthorized personnel shall not perform
maintenance on the AN/PRC-90.
(1)
Unscrew battery cap and remove battery.
2-38
