Making Dsc Calls - West Marine VHF550 Manual Del Usuario

Using Digital Selective Calling (DSC) Features

Making DSC Calls

There.are.essentially.four.different.types.of.DSC.voice.calls:
Call type What it does
Distress Alerts.all.stations.that.you.need.
assistance.and.sends.them.your.
current.position.
Individual Calls.a.single.station.using.the.
User MMSI.
Group Calls.all.the.stations.that.have.the.
same.Group.MMSI.as.yours.
All.ships Calls.all.stations.in.range.of.your.
radio.
For examples of how you might use different call types, see the diagram
below:
All ships call
Individual
When to use it
Under the same circumstances
where you'd use a Mayday, that
is, where there is a risk of loss of
life.or.loss.of.vessel.
Any.time.you.want.to.talk.to.
another.station.
Any.time.you.want.to.talk.with.
the.whole.group.you.are.traveling.
with.at.the.same.time.
Safety warnings (e.g., debris
in.the.water).or.an.urgency.
situation.
call
E-30
All ships call
Group
call