CONTROL AND SWITCH SETTINGS - TM-11-5820-401-34-30472

TM 11-5820-401-34-3/0967-LP-432-3060

AUDIO AND SQUELCH PREAMPLIFIER A4300 ALINEMENT. (CONT)

5-21 .

INITIAL EQUIPMENT CONTROL SETTINGS. Set equipment controls as indicated in the following

table. When using alternate equipment, inject 20-v rf at 30 MHz, 1-kHz modulation; 8-kHz

deviation.

CONTROL AND SWITCH SETTINGS

POSITION/SETTING

CONTROL OR SWITCH

EQUIPMENT

POWER

ON-RESET

R-442/VRC

BAND

30.00

MC-TUNE-KC

Fully clockwise

VOLUME

NEW OFF

SQUELCH

OPERATE (allow 15-minute warmup)

OPERATE/OFF/STAND BY

AN/URM-103

1000 Hz

FUNCTION

BAND SWITCH

30.00

RF TUNING

DEVIATION RANGE KHZ

LO, 0-10 KUV

RF OUTPUT

Fully counterclockwise

DEVIATION

Adjust until needle on IF UV RF SET TO

RF SET TO LINE

LINE meter is over red line

20 v

LO RF UV

POWER

TRACK

AN/USM-207

MIN (fully counterclockwise)

DISPLAY

PLUG IN

SENSITIVITY

FREQ

FUNCTION

104 (black knob)

GATE TIME

DIRECT

DIRECT/HETERODYNE

INPUT

0.3 V MAX (both switches to left)

100

FREQUENCY TUNING-MC

ALINEMENT PROCEDURE

NOTE

Check the frequency counter to make sure that the signal generator is outputting exactly

30 MHz. The rf level must be increased temporarily to enable the frequency counter to

display. Adjust the AN/URM-103 RF TUNING control as necessary, reset to 100-v rf

level; then disconnect the T-connector from the counter.

5-108