Figure 11-12.--Antenna equipment RC-292, components and spare parts.
e. Press the handset push-to-talk switch to
3. Disconnect the wires, handsets, and radio
connector.
transmit; release to receive.
4. Store all components in the carrying bag and
f. If chatter (a motor boat sound) is heard in the
return it to storage after preventative maintenance has
speaker or handset, turn the volume down on
been performed by the operator.
the radio set and re-adjust the volume from
the remote control unit.
ANTENNA EQUIPMENT RC-292
The three operating procedures described above
should be applied each time the AN/GRA-39 is put into
The RC-292 antenna (fig. 11-12) is an elevated,
operation, because it allows the operator to hold a
wide-band, modified ground-plane antenna designed to
complete operational check of the Radio Set Control
increase the range of radio sets in the 30 to 76 MHz
AN/GRA-39.
range. The reception range for the RC-292 is 8 to 36
SECURING PROCEDURE.-- To secure the
miles, depending on the type of radio set being used and
AN/GRA-39, perform the following actions:
the terrain.
1. Turn the power switches to OFF on both units.
The RC-292 can be used with the AN/PRC-77,
2. Remove the batteries.
AN/PRC-104, AN/GRC-160, and AN/GRA-39.
11-15
