Specifications

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
EQUIPMENT
TS-2575/ARC-131
C-1611 D/AIC
ME-30E/U
C-7088/ARC-131
AN/URM-103
CONTROL OR SWITCH
+28 VDC ON-OFF
WIDEBAND-NAR BAND
TRANSMIT switch
VOL
Selector switch
RANGE
MODE SWITCH
FREQ sel
SQUELCH
VOL
BAND SWITCH and RF TUNING control
FUNCTION switch
RF OUTPUT switch
LO-HI RF SET to LINE control and
LO RF UV control
DEVIATION RANGE KHZ switch
DEVIATION control
POSITION/SETTING
ON
NAR BAND
OFF
Midrange position
AC
3V
RETRAN
40.50 MHz
CARR
Midrange position
Adjust to 40.50 MHz.
1000 Hz
LO 0-10 KUV
Adjust for 0.8 microvolt out.
10
Adjust for 8 kHz deviation.
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.
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