Icom IC-M604 Instruction Manual page 33

D D Transmitting an All Ships call
Large ships use Channel 70 as their 'listening channel.' When
you want to announce a message to all ships within range,
use the 'All Ships Call' function.
q Enter "
  ➪ 
(Push [MENU]) (Rotate [SELECTOR], then push [ENT].)
w Rotate [SELECTOR] to select the desired category, push
[ENT].
• Output power of 'Routine' category is 1 W (low power) only.
• The selectable category may differ according to the programmed
setting. Ask your dealer for the available categories.
" in DSC menu.

e Push [ENT] to transmit the All ships call.
• Channel 70 is selected and the All ships call is transmitted.
r After the All ships call has been transmitted, the following
indication is displayed.
t Push [CLR] to exit and the transceiver selects Channel 16
automatically.
• Even if [CLR] hasn't been pushed, the transceiver automatically
selects Channel 16 after 2 sec. inactivity.
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DSC OPERATION
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