b. Connect the handset provided with the
For the local control unit (C-2329):
AN/GRA-39, to the audio connector
a. Unsnap the two rear clamps and remove
ensuring a secure connection.
the rear cover.
OPERATING PROCEDURES.-- Perform the
b. Install the size BA-30 batteries according
following actions:
to instructions on the rear of the case.
For the local control unit (C-2329):
c. Replace the rear cover and clamp it.
a. Turn the POWER switch ON.
d. Locate the local control unit near enough
b. Set the BUZZER VOLUME/LAMP (the
to the radio so the audio connector cord
one desired) near mid-range.
can reach it.
For the remote control unit (C-2328):
For the remote control unit (C-2328):
a. Turn the volume control to mid-range.
a. Perform the procedure in (a) through (c)
above.
b. Set the BUZZER VOLUME/LAMP (the
one desired) to near mid-range.
b. Position the remote control unit as
required (up to 2 miles from the local
The Radio Set Control Group AN/GRA-39 provides
control unit).
three types of operation:
4. To make appropriate connections, you must
1. Telephone communications between remote and
ensure the procedures indicated below are followed
local control unit operation.
carefully:
a. Press the ringer button on the front panel
several times to gain the attention of the
For the local control unit (C-2329):
other operator.
a. Remove the radio connector from the
b. Set the remote control unit TEL/RAD/
retaining clip on the front panel.
RAD-SPKR switch to TEL.
b. Connect the radio connector to the audio
c. Turn and hold the local unit TEL/
connector of the radio set; ensure proper
REMOTE/RADIO switch to TEL.
connection is made.
d. Press the handset press-to-talk switch to talk
c. Strip the insulation from the field wire
to the other operator, release to receive.
(1/2 inch) and connect the wire to the
2. Radio set transmission and reception from the
binding posts by pressing the post down,
local unit.
inserting the wire into the slots provided,
and releasing the posts.
a. Set and hold the TEL/REMOTE/RADIO
switch to RADIO.
d. Connect the handset from the radio set to
the local control unit.
b. Press the handset press-to-talk switch to
transmit, release to receive.
For the remote control unit (C-2328):
3. Radio set transmission and reception from the
a. Strip the insulation from the ends (1/2
remote control unit.
inch) and connect the wire to the binding
a. Set TEL/REMOTE/RAD1O switch on the
post by pressing the posts down, inserting
local control unit in the remote position.
the field wire into-the slots provided, and
release.
b. Local operator adjust volume on radio set for
a comfortable listening level.
WARNING
c. Set the TEL/RAD/RAD-SPKR switch on
DO NOT PRESS THE RINGER
the remote unit to RAD or RAD-SPKR.
BUTTON WHILE CONNECTING THE
FIELD WIRE TO THE LINE BINDING
d. Adjust the volume control to the desired
POSTS.
listening level.
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