Specifications

TM 11-5820-670-30
2-13. TRANSMITTER DEVIATION NARROW BAND TEST. (CONT)
INITIAL EQUIPMENT CONTROL SETTINGS
Set equipment controls as indicated in the following table.
CONTROL AND SWITCH SETTINGS
EQUIPMENT
TS-2575/ARC-131
AN/URM-127
ME-30(E)/U
ME-57/U
C-1611 D/AIC
CONTROL OR SWITCH
MODE SWITCH
VOL
SQUELCH
FREQ sel
TRANSMIT switch
HI-LO switch
Freq dial
FREQ RANGE MULTIPLIER
OUTPUT CONTROL
RANGE
TUNING
DEVIATION RANGE – KC
FREQUENCY RANGE – MC
Selector switch
Transmit-lnterphone selector
RECEIVER 1 switch
POSITION/SETTING
T/R
Maximum (clockwise)
DIS
30.00 MHz
OFF
LO
10
X 100
As specified in procedure.
1 volt
30.00 MHz
20
20-55
TUNE
1
ON
TEST PROCEDURE
1. Disable the 150 Hz tone generator by placing test set WIDEBAND – NAR BAND switch to
WIDEBAND.
2. Adjust AN/URM-127 OUTPUT CONTROL for 0.39 volt output as indicated on ME-30(E)/U.
3. Place test set TRANSMIT switch to ON and observe transmitter deviation.
STANDARD. 6 kHz to 10 kHz
4. If transmitter deviation is not within the limits of the standard, see troubleshooting
chart 2-16.
5. Repeat steps 1 through 4, adjusting TS-2575/ARC-131 for each of the following frequencies:
52.00 MHz, 54.00 MHz, and 75.00 MHz.
2-27