Icom IC-M220

29
1
7
4
10
15
18
2
8
13
5
11
16
3
9
14
6
12
17
DIGITAL SELECTIVE CALLING (DSC)
7
■ Receiving DSC calls (other)
The transceiver receives the following types of DSC calls.
• Individual call (p. 29)
• Individual Acknowledgement (p. 21)
• Group call (p. 30)
• All Ships call (p. 30)
• Position Request call (p. 31)
• Test call (p. 32)
• Test Acknowledgement (p. 24)
L The receivable call types may differ, depending on the transceiver version or presetting.
By default, the Auto ACK function automatically sends an Acknowledgement to the calling
station. ( [MENU] > DSC Settings > Auto ACK (p. 36))
If Auto ACK is set to “Manual,” you can manually send an Acknowledgement for each call
as described in this section.
D Receiving an Individual call
When an Individual call is received:
• An alarm sounds.
• “RCVD INDIVIDUAL” is displayed.
1. Push
ALARM OFF
to turn OFF the alarm.
2. Push the Software Key below the next operation.
IGN
:
(Ignore)
Ignores the call and returns to the operating
screen.
• The call is saved in the DSC Log.
• “
” blinks continuously until you display
the call message.
ABLE
:
( Able to
comply)
Sends an Individual Acknowledgement right
away.
• Automatically switches to the assigned
channel.
• After sending, push
RESEND
to resend.
• The call is saved in the DSC Log.
ACPT
:
(Accept)
Accepts the call.
• The call is saved in the DSC Log.
• The received call’s information is
displayed.
• Push the Software Key to select the
Acknowledgement option.
ABLE
:
(Able to Comply)
Sends an Acknowledgement without any changes.
UNABLE
:
(Unable to Comply)
Sends an Acknowledgement but cannot
communicate.
NEW CH
:
(Propose New CH)
Able to communicate but proposes another channel.
Specify the channel by pushing [▲] or [▼].