Icom iM504 Instruction Manual page 34

6
DSC OPERATION
y Standby on Channel 70 until an acknowledgement is re-
ceived.
Now Waiting for ACK
u When the acknowledgement 'Able to comply' is received,
the specified channel (in step r) is selected with beeps
automatically. Or, when the acknowledgement 'Unable to
comply' is received, the display returns to the operated
channel (before enter the DSC menu) with beeps.
25W INT
Received
INDV ACK
<John
<CLR ˘
Beep Off> COMMERCIAL
25W
Received
Unable ACK
<John
<CLR ˘
Beep Off>
i Push [CLR] to stop the beep, then push and hold [PTT] to
communicate your message to the responding ship.
28
--DSC Menu--
Individual Call
TX Complete
<CLR˘Exit>
INT
DUP
INTL
D D Transmitting an individual acknowledgement
When receiving an individual call, you can transmit an ac-
knowledgement ('Able to comply' or 'Unable to comply') by
using the on screen prompts (see page 42 for details). You
can also send an acknowledgement through the menu sys-
tem as follows.
q Push [MENU] to enter the DSC menu.
w Rotate [DIAL] to select "I I n n d d i i v v i i d d u u a a l l A A C C K K ," push
[DIAL•ENTER].
• "P P o o s s i i t t i i o o n n I I n n p p u u t t " item appears when a GPS receiver
(NMEA0183 ver. 2.0 or 3.01) is not connected.
• "I I n n d d i i v v i i d d u u a a l l A A C C K K " item appears after an individual call is
received.
--DSC Menu--
Select Item
Position Input
Individual Call
˘Individual ACK
Group Call
All Ships Call
Position Request
e Rotate [DIAL] to select the desired individual address or
ID code, push [DIAL•ENTER].
--DSC Menu--
Select Address
John
˘Paul
George
Michael
<CLR˘Exit / ENT˘OK>