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|  TM 11-5820-670-30
2-22. RETRANSMIT RECEIVE TEST. (CONT)
INITIAL EQUIPMENT CONTROL SETTINGS
Set equipment controls as indicated in the following table.
CONTROL AND SWITCH SETTINGS
POSITION/SETTING
CONTROL OR SWITCH
EQUIPMENT
ON
TS-2575/ARC-131
+28 VDC ON-OFF
NAR BAND
WIDEBAND-NAR BAND
OFF
TRANSMIT switch
Midrange position
VOL
C-1611 D/AIC
AC
Selector switch
ME-30E/U
3V
RANGE
RETRAN
MODE SWITCH
C-7088/ARC-131
40.50 MHz
FREQ sel
CARR
SQUELCH
Midrange position
VOL
Adjust to 40.50 MHz.
BAND SWITCH and RF TUNING control
AN/URM-103
1000 Hz
FUNCTION switch
LO 0-10 KUV
RF OUTPUT switch
LO-HI RF SET to LINE control and
Adjust for 0.8 microvolt out.
LO RF UV control
10
DEVIATION RANGE KHZ switch
Adjust for 8 kHz deviation.
DEVIATION control
TEST PROCEDURE
1. Observe that test set RETRANSMIT RCVR lamp is on when AN/URM-103 is adjusted for 0.8
microvolt output.
STANDARD. RETRANSMIT RCVR lamp is on.
2. If lamp is not on, refer radio set to higher level of maintenance.
3. Adjust the LO RF UV control on the AN/URM-103 for minimum output signal.
STANDARD. RETRANSMIT RCVR lamp is off.
4. If lamp is on, refer radio set to higher level of maintenance.
5. Adjust the AN/URM-103 output for 0.8 microvolt.
STANDARD. RETRANSMIT RCVR lamp is on. ME-30E/U indicates 2.8 vrms output at J109 on the test
set and a 1000 Hz tone should be heard in headset.
6. If performance of step 5 does not meet the standard, refer radio set to higher level of
maintenance.
2-47
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