 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|  TM 11-5820-401-34-3/0967-LP-432-3060
3-5. OLD SQUELCH TEST. (CONT)
-
CONTROL AND SWITCH SETTINGS (CONT)
CONTROL OR SWITCH
EQUIPMENT
POSITION/SETTING
AN/URM-103
OPERATE/OFF/STANDBY
OPERATE
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 TOLINE
LO, 0-10 KUV
RF OUT PUT
Minimum setting
LO RF UV
R-442/VRC
BAND
30. 00
MC-TUNE-KC
OLD ON
SQUELCH
ON
LIGHT
Fully counterclockwise
VOLUME
ON
POWER
ON
MK-1978/VRC
AUX POWER
MUTED
AUDIO
RCVE
KEY
NORMAL
X-MODE (RT)
NORMAL
AUX RCVR
ON
SQUELCH
TEST PROCEDURE
OLD SQUELCH Test at 30.00 MHz
1. 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 minimum setting.
2. Disconnect T-connector from AN/USM-207.
3. Turn AN/URM-103 LO RF UV control clockwise until R-442/VRC CALL lamp lights.
STANDARD. R-442/VRC CALL lamp should light while LO RF UV control setting is at or below 0.7.
4. if LO RF UV control setting is more than 0.7 , see troubleshooting chart 3-3.
5. Remove cable from R-442/VRC ANTENNA port.
3-14
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals