Figure 7.1-2 Depot overhaul standards basic test setup

TM 11-6625-667-45/NAVAIR 16-30APM123-2/T0 33A1-3-367-22

Figure 7.1-2 Depot overhaul standards basic test setup.

DELAY TIME

7.1-5. Receiver Frequency and Bandwidth

MULTIPLIER

a. Perform the initial setup procedures given in

f. On the test set, set CODE switches to 0000.

g. On the AN/USM-182, adjust DELAY

b. Connect AN/TPM-25A cable 139527 be-

TIME MULTIPLIER to position the center

tween AN/TPM-25A FREQ MKRS OUT and

(1090 MHz frequency marker on the center

AN/USM-182 CHANNEL B input.

graticule of the oscilloscope. Note that the 1

c. Connect AN/USM-182 CHANNEL A input

MHz markers appear on vertical lines two

to A8TP2 on the AN/APM-123.

divisions from the center. Each divison on the

d. On the AN/TPM-25A, make the following

oscilloscope represents .5 MHz.

control changes:

h. While observing the frequency markers on

REPLIES SIF REPLY CODE 0000

CHANNEL 3 and the reply video on CHANNEL

SWP 5

SIG GEN FUNCTION

A, adjust AN/TPM-25A MEASUREMENT

MHz

FREQ MEAS dial to position the reply video in

e. On the AN/USM-182, make the following

line with the center frequency marker. Note the

control changes:

test set, ACCEPT lamp is on.

.5 ms

TIME BASE A TIME/CM

i. Observe the oscilloscope as in b above, and

20 s

TIME BASE B TIME/CM

adjust AN/TPM-25A MEASUREMENT FREQ

7.1-3

Change 5