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TM 11-5821-333-12
3-7. NET UPDATE USING ERF.
This procedure is used to update hopsets and lockout sets during net operation. It can also be used to add new
sets. During update, the net continues to operate on the same preset.
NOTES
During an update, the net must maintain communications on the preset it has been using. It is
best to store an update hopset in an open or unused preset.
Do not change PRESET switch setting until all updating is complete. The RT does not use the
new net hopset and lockout set(s) until the PRESET switch is moved.
Follow the steps below to accomplish a net update using ERF.
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
l.
m.
n.
o.
p.
Load lockout set using ECCM local fill (see chapter 2).
Call net members requiring update.
Set FUNCTION switch to LD.
If no lockout sets are required, proceed to step j for next ERF procedure.
If one or more lockout set(s) are required, tell members to stand by for ERF and whereto store ERF.
Retrieve lockout set by pressing LOAD (H-Ld), LOUT (L), and first digit of lockout set number
(1-8).
Display shows HL, followed by lockout set number.
Display blinks and beep is heard:
Press ERF (SEnd). Display changes as shown. Beep is heard.
Stand by while net members load ERF. Allow net members sufficient time to store ERF. Net mem-
bers call and report ERF has been received and stored.
Repeat steps e through h for any additional lockout set(s).
Load hopset using FH Data local fill (see paragraph 2-20).
Tell net members:
Standby for ERF.
Where to store hopset.
Retrieve hopset by pressing LOAD (H-Ld) and number of preset where hopset is stored. Display
shows HF followed by hopset number.
Display blinks and beep is heard.
Press ERF (SEnd). Display changes as shown. Beep is heard.
Stand by while net members load ERF. Allow net members sufficient time to store ERF. Net mem-
bers call and report ERF has been received and stored.
Tell net members to set PRESET switch to where ERF was stored.
Call net members for communications check.
3-6
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