TM 11-6625-928-12
Function
Control.
indicator,
or
connector
Function
Sw pos
3 ________________ Connects external audio oscillator output signal from
COMM CONT TEST INPUT connector J19 to
the five transceiver received audio input lines and
AUX audio input line of headset amplifier
(through switching circuit) of communication con-
trol under test connected to COMM CONT NO. 2
c o n n e c t - a r J3. Connects output of this headset
a m p l i f i e r to COMM CONT TEST OUTPUT con-
nector J20.
4___________________ Connects external audio oscillator output signal from
COMM CONT TEST INPUT connector J19 to IFF
received audio input line of headset amplifier of
c o m m u n i c a t i o n control under test connected to
COMM CONT NO. 2 connector J3. Connects out-
p u t of this headset amplifier to COMM CONT
T E S T OUTPUT connector J20-
5 __________________Connects external audio oscillator output signal
f r o m COMM CONT TEST INPUT connector J19
t o NAV No. 2 adf received audio input line of
h e a d s e t ampiitier ( t h r o u g h s w i t c h i n g c i r c u i t )
of communication control under test connected to
COMM CONT NO. 2 connector J3- Connects out-
p u t of this headset amplifier to COMM CONT
T E S T OUTPUT connector J20.
6 ______________ Connects external audio oscillator output signal
f r o m COMM CONT TEST INPUT connector J19
t o the NAV No. 1 received audio input line of
h e a d s e t amplifier (through switching circuit) of
c o m m u n i c a t i o n control under test connected to
COMM CONT NO. 2 connector J3. Connects out-
p u t of this headset amplifier to COMM CONT
T E S T OUTPUT connector J20.
7 ________________Connects external audio oscillator COMM CONT
TEST INPUT connector J19 to the interphone
received audio input line of the headset amplifier
o f communication control under test connected
t o COMM CONT NO. 2 connector J3. Connects
output of this headset amplifier to COMM CONT
T E S T OUTPUT connector J20.
8
_______________Connects
external
audio
oscillator
output
signal
f r o m COMM CONT TEST INPUT connector J19
to the controlled audio No- 2 received audio input
line of headset amplifier of communication control
under test connected to COMM CONT NO. 2
connector J3. Connects output of this headset
a m p l i f i e r to COMM CONT TEST OUTPUT con-
n e c t o r J20.
9
________________Connects
external
audio
oscillator
output
signal
from COMM CONT TEST INPUT connector
J19 to the uncontrolled audio No- 1 received audio
input line of headset amplifier of communication
control under test connected to COMM CONT
NO. 2 connector J3- Connects output of this head-
set amplifier to COMM CONT TEST OUTPUT
connector J20.
Change
1
2-7
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