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
In.an.emergency.only.
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