Load COMSEC/FH Data/Sync Time into RT Using ICOM Fill (Primary Operator Task 2)

TM 11-5820-890-10-8

5.4e. Load COMSEC/FH Data/Sync Time into RT Using ICOM Fill

(Primary Operator Task 2)

This task is required in preparation for a Hot Start net opening and,

DESCRIPTION

without sync time, for COMSEC/FH data updates. This task may also

be performed in preparation for a Cold Start net opening by omitting

sync time. Performance of this task involves the use of an ANCD as a

source of COMSEC keys, FH data (hopset, TSK, and net ID), and sync

time. By use of the ICOM fill procedure, COMSEC, FH data, and sync

time are simultaneously loaded into all six channels of the SINCGARS

radio. Upon completion of the ICOM fill, the radio is fully prepared for

DETAILED FLOWCHART

LOAD COMSEC/FH DATA/SYNC TIME INTO RT USING ICOM FILL

ACTIONS

RESULTS

SUBTASK

(1)

Set COMSEC to CT

(Press PTT twice to clear

a. Prepare RT to receive an

COMSEC alarm)

ICOM fill

(2)

Set FCTN to LD

N/A

(3)

Set CHAN to MAN

N/A

(4)

Set MODE to FH

Display shows "FILL O"

Display shows "OFF"

(5)

Set DATA to OFF*

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