Mode 4 Challenge Video Tests Using AN/UPM-137

TM 11-6625-667-45/NAVAIR 16-30APM123-2/TO 33A1-3-367-22

5.1-17.1. Mode 4 Challenge Video Tests

(1) Connect the equipment as shown in figure

5.1-7.1, except connect the AN/UPM-137A oscillo-

Using AN/UPM-137

scope VERTICAL-CHAN A-VIDEO IN connector to

a. Test Equipment Required.

A N / A P M - 2 7 0 ( V ) DET VIDEO connector. Connect

(1) Test Facilities Set, Transponder T e s t S e t

the test set PROBE output to the AN/APM-270(V)

AN/APM-270(V).

RF IN connector.

(2) Test Set, Radar AN/UPM-137A.

( 2 ) Apply power to the equipment and permit

b. Test Connection and Conditions.

1 5 - m i n u t e warmup.

Change 4

5.1-26.7