TM 11-5821-333-30
2-23. OPERATIONAL CHECK. Continued
ACTION
RESPONSE
Step 5. RF OUTPUT AT PRESETS
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
Set uut switches:
FUNCTION
SQ ON
PRESET
MAN
Set test adapter switch:
S1
2
Set DMM to read dBm at 50 ohms.
Set PTT (S8) on test adapter to UUT and
read DMM. Repeat at other presets: 1, 2,
3, 4, 5, 6, CUE.
Set PTT (S8) on test adapter to OFF.
Set frequency counter input to 1 megohm.
Remove rf probe and probe tip adapter from
J12 on test adapter.
Move rf cable from J19 to J12 on test
adapter.
Set PTT (S8) on test adapter to UUT.
Read frequency counter at all presets.
k. Set PTT (S8) on test adapter to OFF.
1.
Move rf cable on test adapter from J12 to
J19.
a. No response.
b. No response.
c, No response.
d. DMM reads 17.5 to 22.5 dBm. If not, go
to chart 11.
e. No response.
f. No response.
g. No response.
h. No response.
i.
No response,
j.
Responses:
MAN
1
2
3
4
5
6
CUE
FREQ
29.999700 to 30.000300
35,874641 to 35.875359
39.974600 to 39.975400
47.174528 to 47.175472
54.999450 to 55.000550
55.699443 to 55.700557
71.999280 to 72.000720
87.599124 to 87.600876
If not, go to chart 12.
k. No response.
1.
No response.
2-22
