18
1. Select an appropriate communication channel.
2. Tune your radio to Ch. 16 or Ch. 9. Speak slowly and clearly, stating
the name of the vessel you are trying to contact followed by "this is
(your ship name and call sign)."
3. When the other vessel responds, say "go to
(the desired channel
number) over."
4. Switch to the other working channel. After you are sure it is clear,
call out to the other vessel, stating the vessel's name, followed by "this
is
(your ship name and call sign)."
Reception
AllShips Call
When receiving any type of an
A
LL
S
HIP
'
S CALL
, a ring tone sounds and the
calling radio's requested working channel is selected for communication.
There is no
ACK
required from your radio. If you want to contact the
calling vessel, just press the
PTT
button.
Receiving an
AllShips call
Distress Call
The reception of a
D
ISTRESS CALL
automatically sets the receiving radio's
channel to Ch. 16. Press the
16/9
key to turn off the distress alarm.
NOTE
The MT-300 does not respond to two types of DSC Distress calls:
1. Distress relay from an intermediary vessel.
2. Distress relay acknowledgment
(ACK)
from a coastal station.
Geographic Call
The MT-300 is able to receive geographic calls. When it does, a ring
tone sounds and the calling radio's requested working channel is cho-
sen for communication. There is no
ACK
required from your radio. If the
calling vessel's MMSI matches a number stored in the directory, the
directory location will be displayed in the lower right hand corner of
the screen. If you want to respond to the vessel, press the
PTT
button.
Distress
Calls switch
to Ch. 16
Receiving an
AllShips call
