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| TM 11-5820-401-34-3/0967-LP-432-3060
3-9. RECEIVER AUDIO RESPONSE TEST (X.MODE). (CONT)
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 64.00 MHz, 20-v rf input level, 1-kHz modulation,
and 8-kHz frequency deviation.
CONTROL AND SWITCH SETTINGS
EQUIPMENT
CONTROL OR SWITCH
POSITION/SETTING
x10
AN/URM-127
FREQ RANGE MULTIPLIER
FREQ RANGE DIAL
100
Attenuator
x1
Fully clockwise (maximum)
OUTPUT CONTROL
100
AN/USM-207
FREQUENCY TUNING-MC
POWER
TRACK
MIN (fully counterclockwise)
DISPLAY
INPUT
0.3 V MAX (both switches to left)
103 (black knob)
GATE TIME
PLUG IN
SENSITIVITY
FREQ
FUNCTION
DIRECT
DIRECT/HETERODYNE
3-26
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