 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|  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
POSITION/SETTING
CONTROL OR SWITCH
EQUIPMENT
T/R
MODE SWITCH
TS-2575/ARC-131
Maximum (clockwise)
VOL
DIS
SQUELCH
30.00 MHz
FREQ sel
OFF
TRANSMIT switch
LO
HI-LO switch
10
Freq dial
AN/URM-127
X 100
FREQ RANGE MULTIPLIER
As specified in procedure.
OUTPUT CONTROL
1 volt
RANGE
ME-30(E)/U
30.00 MHz
TUNING
ME-57/U
20
DEVIATION RANGE KC
20-55
FREQUENCY RANGE MC
TUNE
Selector switch
1
Transmit-lnterphone selector
C-1611 D/AIC
ON
RECEIVER 1 switch
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
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals