Icom IC-M421 Instruction Manual page 34

6
DSC OPERATION
D D Transmitting a group call
The group call function allows you to transmit a DSC signal to
a specific group only.
q Push [MENU] to enter the DSC menu.
w Push [L] or [M] to select "Group Call," and push
[ENT].
Select Item
˘Position Input
Individual Call
˘Group Call
All Ships Call
e Push [L] or [M] to select the desired pre-programmed
group address or "Manual Input," push [ENT].
• The ID code for the group call can be set in advance. (p. 18)
• When "Manual Input" is selected, set the 8-digit ID code
for the group you wish to call with [L] or [M].
Select Address
Manual Input
˘Office
Icom
<CLR˘Exit / ENT˘OK>
r Push [L] or [M] to select a desired intership channel or
"Manual Input," push [ENT].
•Intership channels are already preset into the transceiver in rec-
ommending order.
28
--DSC Menu--
≥
--DSC Menu--
≥
--DSC Menu--
Select Intership CH
˘08
69
77
<CLR˘Exit / ENT˘OK>
--DSC Menu--
Group Call Ready
Push
<CLR˘Exit / ENT˘OK>
t Push [ENT] to transmit the group call.
• If Channel 70 is busy, the transceiver stands by until the channel
becomes clear.
y After the group call has been transmitted, the following in-
dication is displayed.
--DSC Menu--
Group Call
TX Completed
<CLR˘Exit>
u Push [CLR] to exit the condition and selects the specified
intership channel in step r automatically.
• Even if [CLR] hasn't been pushed, the transceiver selects the
specified intership channel in step r automatically after 2 sec. of
inactivity.
≥