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TM 11-5820-890-30-5
2-29. OPERATIONAL CHECK. Continued
Step 5. FH LOAD CHECK.
Action
a. Set REF RT and UUT RT:
RF:
LO
MODE:
SC
FCTN:
LD
CHAN:
MAN
DATA:
OFF.
b. Load FH sync time (TOD) into REF RT
and UUT RT. Use 15 days, 1200 hours.
Check after loading. They must be
within 4 seconds of each other.
c. Connect ECCM fill device to UUT RT
AUD/FILL connector.
d. Set UUT RT:
MODE:
FH
FCTN:
LD-V.
e.
Set ECCM fill device:
FUNCTION: ON
SELECT:
T1.
f.
Press UUT RT: H·Ld/0 button.
g. Set ECCM fill device SELECT switch to
hopset lockout set position.
h. Set UUT RT FCTN: LD.
i.
Press UUT RT: H·Ld/0 button.
j.
Press UUT RT: Sto/ENT button.
k. Set ECCM fill device SELECT switch to
hopset frequency position.
l.
Press UUT RT buttons:
H·Ld/0
Sto/ENT
2.
m. Set ECCM fill device:
FUNCTION:
OFF.
Disconnect from UUT RT.
Response
a.
No response.
b. FH sync time loads correctly. If not, go
to chart 11.
c.
No response.
d.
“FILL†” is displayed on RT. Tone is
present in handset.
Lockout and hopset positions should be
the same as loaded into REF RT.
e.
No response.
f.
“LOAd” and then “Sto †” is displayed on
RT. Disregard additional displays. If dis-
plays are not correct, go to chart 13.
g.
No response.
h.
No response.
i.
“LOAd” and then “HLnnn” is displayed
on RT. If not, go to chart 14.
j.
“StoLn” is displayed on RT. If not, go
to chart 11.
k.
No response.
l.
"LOAd", "HFnnn", "Sto_", and "Sto 2"
are displayed on RT. If not, the ECCM
module (1A5) is bad.
m. If “CUE” is displayed, the ECCM module
(1A5) is bad.
2-35
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