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|  TM 11-5820-401-34-3/0967-LP-432-3060
3-27. A5200 SQUELCH AMPLIFIER ALINEMENT, OLD SQUELCH LEVEL. (CONT)
CONTROL AND SWITCH SETTINGS
CONTROL OR SWITCH
POSITION/SETTING
EQUIPMENT
POWER
ON-RESET
R-442/VRC
Follow instructions in alinement procedure
BAND
Follow instructions in alinement procedure
MC-TUNE-KC
Fully clockwise
VOLUME
OLD ON
SQUELCH
OPERATE
OPERATE/OFF/STAND BY
AN/URM-103
EXT MOD
FUNCTION
Follow instructions in alinement procedure
BAND SWITCH
RF TUNING
Follow instructions in alinement procedure
DEVIATION RANGE KHZ
10
RF OUTPUT
LO, 0-10 KUV
DEVIATION
Fully counterclockwise
RF SET TO LINE
Adjust until needle on IF UV RF SET
TO LINE meter is over red line
20 v
LO RF UV
POWER
TRACK
AN/USM-207
MIN (fully counterclockwise)
DISPLAY
(To verify AN/
SENSITIVITY
0.1 v
URM-127 IOW-
1 (black knob)
GATE TIME
frequency output)
FREQ
FUNCTION
TRACK
POWER
AN/USM-207
MIN (fully counterclockwise)
DISPLAY
(10 verify AN/
PLUG IN
SENSITIVITY
URM-103 high-
FREQ
frequency output)
FUNCTION
103 (black knob)
GATE TIME
DIRECT
DIRECT/HETERODYNE
INPUT
0.3 V MAX (both switches to left)
100
FREQUENCY TUNING-MC
POWER
ON
MK-1978/VRC
AUX RCVR
NORMAL
AUDIO
MUTED
ON
SQUELCH
RCVE
KEY
POWER
ON
AN/URM-127
FREQ RANGE MULTIPLIER
X100
73
FREQ RANGE DIAL
X10
ATTENUATOR
Turn clockwise for 2.2-volt reading on
OUTPUT CONTROL
panel voltmeter
ON
FREQ METER
3-124
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