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TM 11-5821-333-12
Section IV. FREQUENCY HOPPING OPERATING
Subject
Changing a Net ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cue Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FH Net Update . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Late Net Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loading COMSEC Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loading FH Data (ICOM Radio) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loading FH Data (Non-lCOM Radio) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating an ECCM Fill Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net Opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Receive and Store ERF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-18. OPERATING AN ECCM FILL DEVICE,
PROCEDURES
Para
Page
2-22
2-14
2-26
2-16
2-25
2-15
2-27
2-16
2-19
2-11
2-20
2-12
2-21
2-13
2-18
2-11
2-23
2-14
2-24
2-14
The Fill Device is used store and transfer data needed for operation of SINCGARS radio sets, One of two devices
maybe used, the MX-10579/VRC for Non-lCOM data only or the MX-18290/VRC for either Non-lCOM or lCOM
data.
CAUTION
Use of a connecting cable between the fill device and the RT being loaded is REQUIRED.
Direct connection of the fill device to the RT may result in damage to the RT chassis.
Loading RT from Fill Device,
a.
b.
c.
Set fill device function switch to OFF.
Connect fill device to RT as shown in following figure.
Transfer data using procedures in paragraph 2-20 or 2-21.
Checking Fill Device for Fill Data.
a. Set fill device function switch to OFF.
b. Set fill device select switch to position to be checked.
c. Press fill device initiate switch, CHECK light on fill device
Clearing Data from Fill Device.
a. Set fill device select switch to A.
blinks if data is present in selected position.
b. Set and hold function switch to ZA while pressing initiate switch,
c. Check all fill device positions for data using preceding procedure. The CHECK light should not blink. If it
does, repeat this procedure.
2-19. LOADING COMSEC KEY.
Secure communications may be established between radios equipped with KY-58 COMSEC equipment. Two
radios can establish secure communications if they have the same COMSEC key. There are two types of
COMSEC keys, referred to as a traffic encryption key (TEK) and a key encryption key (KEK). These are
loaded into the KY-58 using local fill procedures with a KYK-13 fill device. See the KY-58 operator’s manual
(TM 11-5810-262-OP) for procedures to use when loading COMSEC keys,
2-11
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