TM 11-5821-333-30
3-9. OPERATIONAL CHECK. Continued
ACTION
RESPONSE
Step 1. SELF TEST
a. Set up equipment using figure 3-5.
a.
b. Turn power supply on and set to 28 V dc.
b.
c. Set DC switch on test adapter to ON.
c.
d. Set FUNCTION switch on ref rt to SQ OFF.
d.
e. Set uut FUNCTION switch to Z-A and then
e.
to TEST.
f. SET uut FUNCTION switch to SQ ON and then
TEST for each uut PRESET switch setting 1
through CUE.
g. Set uut FUNCTION switch to SQ ON and then
TEST for each uut IFM-RF PWR switch set-
ting Hl, LO, and OFF.
h. Set uut FUNCTION switch to SQ ON and then
TEST for each uut MODE switch setting
HOM, FH, AND FH-M.
f.
g.
h.
No response.
No response.
No response.
No response.
Responses:
Displayed for about
3 seconds.
Displayed for about
2 seconds.
Displayed for about
7 seconds.
End of cycle.
If display is blank, go to chart 1.
If display reads
Go to
Good
Step f
FAIL8
Chart 2
Steady Dashes
Chart 3
FAIL7
Chart 3
All 8’s
Chart 4
For any other reading, go to chart 1.
Responses: same as step e, except
ignore results after “ E –”.
If not, go to chart 5.
Responses: same as step e, except
ignore results after “ E -”.
If not, go to chart 6.
Responses: same as step e, except
ignore results after “ E -”.
If not, go to chart 7.
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