Reply Evaluator Test - TM-11-6625-667-450252

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

h. Adjust the AN/UPM-98 SUB PULSE POS

control to the center (0) position, and repeat the

procedures in b through e above.

7-10.1. Reply Evaluator Test Using

AN/UPM-137A

Connect the equipment as shown in figure 7-1.1.

Set and adjust the controls as described in para-

graph 7-3.2.

a. Set ME-26B/U SELECTOR switch to (+) and

RANGE switch to 10V. Connect common lead to

A13TP2 (ground) and dc probe to A12TP2.

*Set AN/UPM-137A SIS generator SIF 2 CODE R-CODE

switches to 7700 and adjust SIF 2 CODER-TRIG DELAY ADJ

b. Set AN/UPM-137A SIS generator SIF 1

control unit first pulse of SIF 2 train coincides with I/P pulse of

CODER-code (A, B, C, D) switches to 7777.

SIF 1 train.

c. Set test set CODE switches to 7777.

d. Adjust AN/UPM-137A SIS generator SIF 1

CODER-SUBST PULSE POSN control completely

7-10. Reply Evaluator Test

clockwise.

e. Adjust ME-26B/U ZERO ADJ for zero meter

Connect the equipment as shown in figure 7-1, and

indication.

adjust the controls as described in paragraph 7-3.

f. Adjust AN/UPM-137A SIS generator SIF 1

Multimeter ME-26B/U will also be used; instruc-

CODER-SUBST PULSE POSN control to 0. Note

tions are provided in a through h below.

ME-26B/U indication.

a. Set the ME-26B/U SELECTOR switch to (+)

g. Adjust AN/UPM-137A SIS generator SIF 1

and the RANGE switch to 10V. Connect the dc

probe to test point A12TP2 (module A12) and com-

CODER-SUBST PULSE POSN control, in either di-

rection, until dc voltage indicated ME-26B/U is 80

mon lead to test point A13TP2 (module A13).

b. Set the AN/UPM-98 controls to 7777. Adjust

percent of that noted in f. Test set ACCEPT in-

the ME-26B/U ZERO control to zero its indication.

dicator should be lighted. If not lighted, proceed to

c. Set the AN/UPM-98 CODE switches to 7767.

step i.

Note the ME-26B/U voltage indication.

h. Adjust AN/UPM-137A SIS generator SIF 1

d. Adjust the AN/UPM-98 SUB PULSE POS

CODER-SUBST PULSE POSN control, in either di-

rection, until dc voltage indicated on ME-26B/U is

control in the negative (-) direction until the

ME-26B/U voltage indication is 50 percent of that

50 percent of that noted in f. Test set REJECT in-

noted in c above. The test set REJECT indicator

dicator should be lighted. If not lighted, proceed to i

should light. If it is not lighted, proceed with f

below.

i. Adjust AN/UPM-137A SIS generator SIF 1

below.

CODER-SUBST PULSE POSN control, in either di-

e. Adjust the AN/UPM-98 SUB PULSE POS

rection, until dc voltage indicated on ME-26B/U is

control in the positive (+) direction until the

65 percent of that noted in f. Adjust control

ME-26B/U voltage indication is 20 percent of that

noted in c above, Reset the AN/UPM-98 code

A12R19 until test set ACCEPT and REJECT in-

dicators light alternately. Repeat g and h above.

switches to 7777. The test set ACCEPT indicator

should light. If it is not lighted, proceed with f be-

7-11 through 7-13. Transmitter Fre-

low.

quency, Power Out-put, and Pulse

f. Adjust the AN/UPM-98 SUB PULSE POS con-

Characteristic Tests.(Deleted)

trol in the negative (-) direction until the

ME-26B/U voltage indication is 65 percent of that

NOTE

To perform the frequency, power output,

noted in c above.

and pulse characteristic test, perform the

g. Adjust control A12R19 until the test set AC-

procedures in paragraph 3-4.

CEPT and REJECT indicators glow alternately.

Change 4

7-9