Specifications

TM 11-5820-670-30

2-20. C-7088/ARC-131 MODE SWITCH SELECTION AND FRONT PANEL ILLUMINATION TEST.

(CONT)

TEST SETUP

Connect equipment as shown in test setup diagram. Remove receiver-transmitter case (para 2-39).

Replace control unit in test set with control unit under test. Turn on all equipment and allow at least

5 minutes for warmup.

EL1AT155

INITIAL EQUIPMENT CONTROL SETTINGS

Set equipment controls as indicated in the following table.

CONTROL AND SWITCH SETTlNGS

EQUIPMENT

TS-2575/ARC-131

RT-823/ARC-131

CONTROL OR SWITCH

+28 VDC ON-OFF switch

WIDEBAND-NAR BAND

TRANSMIT switch

PILOT-ON

SPEAKER VOL

TEST SWITCH

POSITION/SETTING

OFF

NAR BAND

OFF

PILOT

Maximum (clockwise)

2-41