Icom IC-E80D Instruction Manual page 81

• How to use break-in?
While operating with the digital call sign squelch
the squelch never opens
(no audio sounds)
received, unless your own call sign
However, when the call including the "BK ON" signal
is received, the squelch will open and audio
(break-in call)
sounds even if the call is specified for another station.
• Station C calling to Station A with "BK OFF"
Station A and B
are communicating
using the digital
call sign squelch.
Station A
Station B never hears that
Station C is calling Station A.
,
(p. 151)
even if a call is
is specified.
("MY")
• Station C calling to Station A with "BK ON"
Station A and B
are communicating
using the digital
call sign squelch.
Station B
Station C
DV MODE OPERATION
Station A
Station B also hears that
Station C is calling Station A.
7
Station B
Station C
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