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|  TM 11-5820-401-34-3//0967-LP-432--3060
3-5. OLD SQUELCH TEST. (CONT)
TEST SETUP. Connect equipment as shown in test setup diagram
Turn on test equipment. Allow at least 15 to 30 minutes for warmup.
INITIAL EQUIPMENT CONTROL SETTINGS. Set equipment controls as indicated in the following
table. If using alternate test equipment, adjust for 30.00 MHz, minimum rf input level, 1-kHz
modulation, and 8-kHz frequency deviation.
CONTROL AND SWITCH SETTINGS
EQUIPMENT
CONTROL OR SWITCH
POSITION/SETTING
AN/USM-207
FREQUENCY TUNING-MC
100
POWER
TRACK
DISPLAY
MIN (fully counterclockwise)
INPUT
0.3 V MAX (both switches to left)
GATE TIME
103 (black knob)
SENSITIVITY
PLUG IN
FUNCTION
FREQ
DIRECT/HETERODYNE
DIRECT
3-13
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