Dsc operation – Furuno MARINE VHF RADIOTELEPHONE FM-3000 User Manual

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5.DSC Operation

5.7.5 Receiving an All Ships call

While monitoring Channel 70 and an All Ships call is received:
➥Emergency alarm sounds when the category is ‘Distress’

or ‘Urgency’; 3 beeps sound for other categories.

➥“Received All ships” appears in the display.

➥Push [DSC/ENT] to change to the channel specified by the

calling station for voice communication; push other key to
ignore the All Ships call.

➥Monitor the channel for an announcement from the calling

vessel.

5.7.6 Receiving a Distress Relay call

While monitoring Channel 70 and a Distress Relay call is re-
ceived:
➥Emergency alarm sounds for 2 minutes.

• Push any key to stop the alarm.

➥“Received Distress RLY” appears in the display;

then, Channel 16 is automatically selected.

➥Monitor Channel 16 until the emergency communication

has been completed.

5.7.7 Receiving a Distress Relay acknowledgement

While monitoring Channel 70 and a Distress Relay acknowl-
edgement is received:
➥Emergency alarm sounds for 2 minutes.

• Push any key to stop the alarm.

➥“Received DTRS RLY ACK” appears in the display;

then, Channel 16 is automatically selected.

5.7.8 Receiving a Geographical Area call

While monitoring Channel 70 and a Geographical Area call
(for the area you are in) is received:
➥Emergency alarm or beeps sound depending on the re-

ceived category.

➥“Received Geographic” appears in the display.
➥Push [DSC/ENT] to change to the channel specified by the

calling station for voice communication; push other key to
ignore the Geographical Area call.

➥Monitor the selected channel for an announcement from

the calling station.

Note:

When no GPS receiver is connected or if there is a

problem with the connected receiver, all Geographical Area
calls are received, regardless of your position.

Routine

Geographic

< Tokyo CG

Received

< Osaka Bay

Routine

All Ships

Received