TM 11-5820-890-10-3
SECTION II. ADDITIONAL NCS PROCEDURES
ITEM
PAGE
FH Update Using ERF ....................................................................................................................... 3-15
Bringing Another Station Into The Net................................................................................................ 3-16
Changing Net Identification (ID) ......................................................................................................... 3-17
Checking FH Sync Time of Other Nets .............................................................................................. 3-18
COMSEC Key (Remote Fill)............................................................................................................... 3-18
TRANSEC Loading (Remote Fill)....................................................................................................... 3-19
Jamming and Antijamming ................................................................................................................. 3-21
FH UPDATE USING ERF
This procedure is used to update hopsets and lockout sets during net operations. It can also be used to add new sets.
During an update, the net communicates on the FH channel it has been using.
SPECIAL INSTRUCTIONS
•
The NCS must load and store the data before doing this procedure. However, new lockout sets must be loaded into
NCS radio holding memory, ERFed to member; then stored in NCS and member radios.
•
During an update, the CHAN switch must remain on the same setting. You must not change the CHAN setting until
all updating is complete.
•
The NCS must retrieve and send lockout sets first; then retrieve and send hopsets.
•
To ensure continued communications, it is best to store an update hopset in an empty channel.
•
If NCS is loading new lockout set: (1) load it into holding memory, (2) ERF to members, and (3) store.
FH UPDATE USING ERF. If more than one hopset is needed, repeat steps b thru h for each.
a
Set FCTN to LD Leave all other switches as they have been for past communications.
b
Contact net members.
c
Tell net members to stand by for update, and In which channel the data is to be stored Tell
them
to
acknowledge reception and storing only after it is finished.
d
Retrieve required set from RT permanent memory:
•
For lockout set:
Press H-Ld.
Press L.
Enter number (first digit of lockout set).
•
For hopset:
Press H-Ld.
Enter channel number (1 6).
e
Transmit ERF: Press SEnd; then resume normal net operation, or
3-15
