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|  TM 11-5820-401-34-3/0967-lp-432-3060
5-3. RECEIVER SENSITIVITY TEST. (CONT)
CONTROL AND SWITCH SETTINGS (CONT)
EQUIPMENT
CONTROL OR SWITCH
POSITION/SETTING
AN/URM-103
OPERATE/OFF/STAND BY
OPRATE
BAND SWITCH
RF TUNING
30.00
10
DEVIATION RANGE KHZ
FUNCTION
1000 Hz
Adjust for 8-kHz meter indication
DEVIATION
To red line
RF SET TO LINE
RF OUTPUT
LO, 0-10 KUV
LO RF UV
0.5 v
TS-723(*)/U
x10
RANGE
MIN
AF INPUT
AF-RF
AF
100
METER
FUNCTION
30 v
R.M.S. VOLTS/DB
BAND
R-442/VRC
MC-TUNE-KC
30.00
SQUELCH
OLD OFF
LIGHT
ON
VOLUME
Fully counterclockwise
POWER
ON
TEST PROCEDURE
Sensitivity Test at 30.00 MHz
1.
Connect TS-723(*)AJ METER lead C to Test Cable No. 1 terminal F; connect lead D to terminal
A. (See test setup diagram
2.
Adjust AN/URM-103 RF TUNING control for 30.00-MHz display on AN/USM-207.
NOTE
To produce a display on the AN/USM.207, the AN/URM-103 rf level must be increased
by turning the LO RF UV control clockwise. When the display appears, readjust the
AN/URM-103 RF TUNING control until the AN/USM-207 Indicates 30.00 MHz, and reset
the LO RF UV control to 0.5 v.
Disconnect T-connector from AN/USM-207.
3.
Adjust R-442/VRC VOLUME control for 17-volt indication on TS-723(*)/U meter.
4.
If 17-volt indication cannot be obtained on TS-723(*)/U meter, see troubleshooting
5.
Disconnect TS-723(*)/U METER leads from Test Cable No. 1 terminals.
6.
5-6
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