Figure 4-3. Receiver Power Input Requirements, Equipment Setup.

TM 11-5820-509-35

Figure 4-3. Receiver Power Input Requirements, Equipment Setup.

c. Procedure.

Test

Radio

equipment

control

Test

Performance

Step

settings

procedures

standards

Adjust signal generator to

Adjust frequency control

Read dc ammeter.

Dc ammeter reads not more

2226 kHz; set output level

knobs to 2225 on

than 0.875 amperes.

to 1000 microvolts.

KILOCYCLES indicator;

CW-FSK/VOICE to

VOICE; OPR-TUNE to

OPR.

4-14. Transmitter Power Output Test

(fig. 4-4)

(1) Connect the test equipment to Radio Receiver-

Transmitter RT-671/PRC-47 as shown in figure 4-4.

a. Test Equipment and Material.

(2) Connect the primary power source to the receiver-

(1) Antenna simulator (p/o Cable Assembly

Set AN/PRA-4)

(2) Dummy Load DA-75/13

(3) Turn on the test equipment and place the POWER-

LIGHTS switch on RT-671/PRC-47 to POWER ON.

(3) Multimeter ME-26A/U

Permit the equipment to stabilize at least 5 minutes

(4) Primary power source: 26.5-volt, dc, 11

before beginning the procedures shown in the chart

amperes approx.

below.

b. Test Conditions and Equipment Connections.

4-9