Bk Mode Communication - Icom IC-705 Advanced Manual

14. D-STAR OPERATION (ADVANCED)

BK mode communication

The Break-in (BK) function enables you to break into a conversation, where the 2 stations are
communicating with call sign squelch (DSQL) enabled.
LThe BK function is automatically turned OFF when you turn OFF the transceiver.
LThis function can be used in the DV mode.
1. While 2 stations are communicating in the DV
mode, touch
• After releasing
sign or the repeater's call sign is set to "TO"
(Destination).
• Beeps sound, and the calling station's call sign
is announced.
LWhen a call sign is not received correctly, error
beeps sound, and no call sign is set.
2. Open the BK screen.
» SET > DV SET > BK
3. Touch "ON."
How to use Break-in?
While using the Digital Call Sign squelch (DSQL), the squelch never opens (no audio is heard) even if a
call is received, unless the call is addressed to your own call sign.
However, when a call including the "BK ON" signal (break-in call) is received, the squelch opens and
audio is heard even if the call is addressed to another station.
Station C calling to Station A with "BK OFF"
Station A
and B are
communicating
using the
Digital Call Sign
Station A
squelch.
Station B does not hear that
Station C is calling Station A.
for 1 second.
, the calling station's call
Station B
Station C
4. To close the DV SET screen, push
several times.
• Returns to the standby screen, and "BK" is
displayed.
5. When both stations are in standby, hold down
[PTT] to transmit.
L"BK" blinks when receiving a Break-in call.
LTo cancel the BK mode, touch "OFF" in step 3,
or turn OFF the transceiver.
Station C calling to Station A with "BK ON"
Station A
and B are
communicating
using the
Digital Call Sign
Station A
squelch.
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Station C
Station B also hears that
Station C is calling Station A.
Station B