TM 11-6625-928-12
Control, indicator, or connector
Function
Sw p o s
Function
test amd COMM CONT NO.1 are in receive mode of op-
eration-
T R A N S M I T . . . . . . . Enables microphone amplifier in communication control
No- 2 under test for transmit operation- Radio set
under test and COMM CONT NO. 1 are in receive
mode of operation-
HEADSETS connectors J15 and J16
Provides for connection of external headset extention cables-
(six-pin).
I n d i c a t e s when communication control No. 2 under test is providing a
CONTROL SIGNAL indicator lamp,
transmit control signal. Also indicates when radio set under test, con-
green, DS2.
nected to RADIO SET NO. 1 connector J 1, is providing a transmit control
signal when the RADIO TEST switch is in position 2.
RADIO SET NO. 1 connector, J1 (32-pin)
P r o v i d e s f o r c o n n e c t i o n f o r signals and
power to
Radio Set
AN/ARC-l14- Radio Set AN/ARC-l15, Radio Set AN/ARC- l16(V). Radio
Set RT-1167/ARC-l64(V), or Interconnecting Box J-4247/AR.
RADIO SET NO. 2 connector J2 (32-
same as RADIO SET NO. 1 connector J 1 except used for connection of
another radio set to operate in the retransmit mode- If only one radio set
pin)
is to be checked it should always be connected to connector J1.
1 . . . . . . . . . Connects external audio oscillator output signal from
COMM CONT TEST selector switch
COMM CONT TEST INPUT connector J119 to mi-
(12-position rotary).
crophone amplifier of communication control under
test connected to COMM CONT NO. 2 connector J3-
Connects Intercom output of microphone amplifier to
COMM CONT TEST OUTPUT connector J20-
2 . . . . . . Connects external audio oscillator output signal as de-
scribed for switch position 1- Connects transmit audio
output (5 outputs) of communication control under
t e s t microphone amplifier to COMM CONT TEST
OUTPUT connector J20 and connects transmit con-
trol output (5 outputs) to CONTROL SIGNAL lamp-
2-6
Change 5