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|  TM 11-5820-401-34-3/0967-LP-432-3060
3-22. SILICON VERSION AUDIO AND SQUELCH PREAMPLIFIER A4300A ALINEMENT. (CONT)
INITIAL EQUIPMENT CONTROL SETTINGS. Set equipment controls as indicated in the following
table. When using alternate equipment, inject 10-v rf at 64 MHz, 1-kHz modulation, and 6-kHz
deviation.
CONTROL AND SWITCH SETTINGS
POSITION/SETTING
CONTROL OR SWITCH
EQUIPMENT
POWER
ON-RESET
R-442/VRC
BAND
MC-TUNE-KC
64.00
Fully clockwise
VOLUME
SQUELCH
NEW OFF
POWER
TRACK
AN/USM-207
MIN (fully counterclockwise)
DISPLAY
SENSITIVITY
PLUG IN
FUNCTION
FREQ
103 (black knob)
GATE TIME
DIRECT
DIRECT/HETERODYNE
INPUT
0.3 V MAX (both switches to left)
FREQUENCY TUNING-MC
100
OPERATE/OFF/STAND BY
OPERATE (allow 15-minute warmup)
AN/URM-103
FUNCTION
100 Hz
BAND SWITCH
RF TUNING
64.00
10
DEVIATION RANGE KHZ
RF OUTPUT
LO, 0-10 KUV
DEVIATION
Fully counterclockwise
Adjust until needle on IF UV RF
RF SET TO LINE
SET TO LINE meter is over red line
LO RF UV
10 v
3-110
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