Icom ID-800H

• How to use the break-in
While operating with the call sign squelch, the squelch
never opens (no audio sounds) even if a call is received,
unless your own call sign (“MyCALL”) is specified.
However, when the call including the “BK ON” signal
(break-
in call) is received, the squelch will open and audio sounds
even if the call is specified for another station.
Station A Station B
Station C
• Station C calling to Station A with “BK OFF”
Station A Station B
Station C
• Station C calling to Station A with “BK ON”
Station A and B are
communicating us-
ing the call sign
squelch
Station A and B are
communicating us-
ing the call sign
squelch
Station B never heards that
Station C calling Station A.
Station B also hears that Sta-
tion C is calling Station A.
22
1 DIGITAL MODE OPERATION
New2001
■ Break-in communication
The break-in function allows you to break into an another sta-
tion’s communications in both digital voice and low-speed
data operation.
q While receiving an another station’s communication, push
and hold [TONE•T-SCAN•BK] until 2 regular and 2 long
beeps sound to turn the break-in setting ON.
•“BK” appears.
wWhen both stations are in standby, transmit to send a
break-in call.
• Programmed call sign station receives the break-in call as well
as your call sign.
eWait for the reply call from the station who receives the
break-in call.
rAfter receiving the reply call, communicate normally.
tTo cancel the break-in, push and hold [TONE•T-SCAN•BK]
for 1 sec. to turn OFF.
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