Figure 3-6. Transmitter circuit test setup.

TM 11-6625-2609-34

equipment as shown in figure 3-6. The AN/URM

RECEIVERS switches off, and position the VOL

127 is not used in this test. Place the C-1611D/

control as required. These settings must be main-

AIC transmit-interphone selector switch in posi-

tained during the test.

tion 3, the RECEIVERS 3 switch ON, all other

Figure 3-6. Transmitter circuit test setup.

c. Procedure.

Control settings

steps

Test equiptment

Equiptment under test

Test procedure

Performance standard

AN/ARC-134

Set all test panel switches a. Apply primary oper-

a. None.

Set meter switch tO

to OFF and set EXT.

sting power to test

LINE V.

SQUELCH CONTROL

equipment and main-

AN/URM-120

fully counterclockwise.

tenance kit.

Set above 26.

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