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TM 11-5821-333-12
CHAPTER 4
OTHER OPERATING PROCEDURES
PAGE
SECTION I.
Additional Operating Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
II.
Operation Under Unusual Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Ill.
Other Operating Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
4-1. SCOPE.
Chapter 4 contains operating procedures of a specialized nature such as retransmitting signals, data operation,
scanning, and homing. Also covered is operation in cold weather and after exposure to nuclear radiation and
other operating considerations.
Section I. ADDITIONAL OPERATING PROCEDURES
Subject
Para
Page
Homing Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
4-4
Operation With Data Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
4-2
Retransmit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
4-1
SC Frequency Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5
4-3
Sending an ERF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
4-2
4-2. RETRANSMIT.
This paragraph is divided into four parts. Part a describes SC to SC retransmit, part b describes FH to FH retrans-
mit, part c describes SC to FH (mixed mode) retransmit, and part d tells how to relay ERF signals.
In the following illustration, the two retransmit radios are C and D. Refer to the illustration as needed.
NOTES
For SC operation, SC frequency f1 must be at least 10 MHz from f2 (obtained from SOI).
For FH operation, FH Data “F1” must be different than FH Data “F2”.
An FH retransmit RT should have all required FH data stored. The Airborne SINCGARS operator
performing a retransmission task needs to be proficient in changing net IDs and sending ERFs in
addition to other operator tasks.
ERF and Cue signals will not pass automatically through a retransmit station.
Retransmission of COMSEC communications may be accomplished by using the KY-58.
4-1
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