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11-5820-401-34-3/0967-LP-432-3060
A5300 SQUELCH FILTER ALINEMENT. (CONT)
5-23.
INITIAL EQUIPMENT CONTROL SETTINGS. Set equipment controls as indicated in the following
table. When using alternate equipment, inject 1000-v rf at a frequency that gives maximum TP5008
voltage. Use variable external modulation around 150-Hz reference. Deviation will vary according to
alinement requirements.
CONTROL AND SWITCH SETTINGS
POSITION/SETTING
CONTROL OR SWITCH
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
Follow instructions in alinement procedure
RF TUNING
10
DEVIATION RANGE KHZ
LO, 0-10 KUV
RF OUTPUT
Fully counterclockwise
DEVIATION
Adjust until needle on IF UV RF SET TO LINE
RF SET TO LINE
meter is over red line
LO RF UV
Set to 1 K (1000v)
POWER
ON
AN/URM-127
FREQ RANGE MULTIPLIER
x1
150
FREQ RANGE DIAL
x10
ATTENUATOR
Fully clockwise (maximum)
OUTPUT CONTROL
POWER
TRACK
AN/USM-207
DISPLAY
MIN (fully counterclockwise)
(to verify
SENSITIVITY
0.1 v
AN/URM-127
1
GATE TIME
low-frequency
FREQ
FUNCTION
output)
POWER
TRACK
AN/USM-207
DISPLAY
MIN (fully counterclockwise)
(to verify
PLUG IN
SENSITIVITY
AN/URM-103
FUNCTION
FREQ
high-frequency
103 (black knob)
GATE TIME
output)
DIRECT/HETERODYNE
DIRECT
INPUT
0.3 V MAX (both switches to left)
100
FREQUENCY TUNING-MC
5-113
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