Icom IC-M421 Instruction Manual page 35

D D Transmitting an all ships call
Large ships use Channel 70 as their 'listening channel.' When
you want to announce a message to these ships, use the all
ships call function.
q Push [MENU] to enter the DSC menu.
w Push [L] or [M] to select "All Ships Call," and
push [ENT].
--DSC Menu--
Select Item
˘Position Input
Individual Call
Group Call
˘All Ships Call
e Push [L] or [M] to select the desired category, push
[ENT].
• The selectable category may differ according to the programmed
setting. Ask your dealer for the available categories.
--DSC Menu--
Select Category
˘Safety
Urgency
<CLR˘Exit / ENT˘OK>
--DSC Menu--
All Ships Call Ready
Push
<CLR˘Exit / ENT˘OK>
r Push [ENT] to transmit the all ships call.
• Channel 70 is selected and the all ships call is transmitted.
t After the all ships call has been transmitted, the following
indication is displayed.
≥
y Push [CLR] to exit the condition and selects Channel 16
automatically.
• Even if [CLR] hasn't been pushed, the transceiver automatically
selects Channel 16 after 2 sec. of inactivity.
DSC OPERATION
--DSC Menu--
All Ships Call
Transmitting
--DSC Menu--
All Ships Call
TX Completed
<CLR˘Exit>
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