Bk Mode Communication; How To Use Break-In? - Icom IC-9100 Instruction Manual

The BK (Break-in) function allows you to break into a
conversation, where the two other stations are com-
municating with call sign squelch enabled.
q While receiving another station's communication in
the DV mode, push [MENU] one or more times to
display the "M3" screen (Menu 3).
ush [MENU] once or twice to select
the "D1" screen.
w Hold down [R>CS](F-3) for 1 second to set the
other station's call sign.
beeps sound, and no call sign is set. Try to capture the
call sign of the signal again, or enter it manually.
e Push [DSET](F-5) to display the "DSET" screen.
r Push [SET](F-5) to enter the DV Set mode.
t Push [Y](F-1) or [Z](F-2) to select "BK."
y Rotate [MAIN DIAL] to turn ON the BK function.
" " appears.
u Push [MENU] to return to the "DSET" screen.
i When both stations are in standby, push [PTT] on
the microphone to transmit. (or push [TRANSMIT]
on the transceiver)
call as well as your call sign.
o Release [PTT] to receive. (or push [TRANSMIT]
again)
Wait for a reply call from the station who received
the break-in call.
!0 After receiving the reply call, communicate nor-
mally.
" " blinks when receiving a break-in call.
!1 To cancel the BK mode communication, turn OFF
the BK function in the DV Set mode as shown in
steps r through y.
While using digital call sign squelch, the squelch never opens (no audio sounds) even if a call is received, unless
However, when a 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 and B
are communicating
using the digital
call sign squelch.
Station A
Station B never hears that
Station C is calling Station A.
[TRANSMIT]
MAIN Band
TX/RX indicator
Appears
SET
The BK function is automatically turned OFF
when transceiver is turned OFF.
Station A and B
are communicating
using the digital
call sign squelch.
Station B
Station B also hears that
Station C is calling Station A.
Station C
DV MODE OPERATION
[ ] [ ] [DSET]/[SET]
[MENU] [R>CS]
BK
1 8
When the BK function is ON.
Station A
Station C
8
1
[MAIN DIAL]
2
3
4
5
6
O N
7
8
9
10
11
12
13
14
15
16
17
18
19
Station B
20
21
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