CONTROL AND SWITCH SETTINGS - TM-11-5820-670-300115

TM 11-5820-670-30

2-11. TRANSMITTER POWER OUTPUT 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

HI-LO switch

OFF

TRANSMIT switch

FWD 100

Selector switch

TS-2609/U

Transmit-lnterphone selector

C-1611 D/AIC

RECEIVER 1 switch

TEST PROCEDURE

CAUTION

To avoid damage to wattmeter, ensure selector switch is at FWD 100 when receiver-

transmitter HI-LO switch is in the Hi position.

1. Set test set TRANSMIT switch to ON. Observe wattmeter indication.

STANDARD. 10 watts minimum

2. If wattmeter indicates less than 10 watts, see troubleshooting chart 2-13.

3. Repeat steps 1 and 2, adjusting TS-2575/ARC-131 for each of the following frequencies:

42.00 MHz, 52.95 MHz, 53.00 MHz, 65.00 MHz, and 75.95 MHz.

4. Set test set TRANSMIT switch to OFF.

5. Set wattmeter selector switch to FWD 10.

6. Set receiver-transmitter XMTR HI-LO switch to LO.

7. Set TRANSMIT switch on test set to ON. Observe wattmeter indication.

STANDARD. 0.5 watts minimum

8. If wattmeter indication is less than 0.5 watts, see troubleshooting chart 2-14.

9. Repeat steps 4 through 8, adjusting TS-2575/ARC-131 for each of the following frequencies:

42.00 MHz, 52.95 MHz, 53.00 MHz, 65.00 MHz, and 75.95 MHz.

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