Icom IC-M423 Instruction Manual page 39

Or, when the acknowledgement 'Unable to comply' is re-
ceived, beeps sound and the screen below is displayed.
Push [ALARM OFF] to stop the beeps. Then push [EXIT]
to return to the operating channel (before you entered the
MENU screen).
After communicating, push [EXIT] to return to the normal
i
operating mode.
Convenient!
✓
When the optional MA-500TR
connected to your transceiver, you can transmit individual
DSC calls to selected AIS targets on the transponder without
needing to enter the target's MMSI code.
See pages 70 and 84 for more details.
is
class b ais transponder
D Transmitting an Individual Acknowledgement
When receiving an Individual call, you can transmit an ac-
knowledgement ('Able to Comply,' 'Propose New Channel' or
'Unable to Comply') by using the on-screen prompts (Quick
ACK.) Also, you can send an acknowledgement through the
MENU system (Man ual ACK.)
Quick ACK:
When an Individual call is received, beeps sound and the
q
screen below is displayed.
Push [ALARM OFF] to stop the beeps.
Push [ACK].
w
7
DSC OPERATION
+ Continued on the next page.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
30