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Calling a single station (Individual Call)
To call a single station with DSC, follow these steps:
1.
Scroll thorugh soft keys to select CALL soft key. CALL menu displays.
2.
The radio displays the ships listed in your Individual Directory (see page E-29).
Select the ship you want to call and press SELECT.
3.
The radio displays the ship you selected to transmit to and the transmission channel.
Select SEND.
4.
The radio displays the ship called and the elapsed time since the call was
transmitted.
5.
The radio automatically switches to channel 70 to transmit the call request.
When the other station accepts the call, both radios switch to the selected
x
response channel for voice transmission.
If the other station did not respond on the channel you selected, you can select
x
RESEND or BACK.
Calling a particular group of ships (Group Call)
Group calling calls all the ships that share your group MMSI. You must have a group MMSI
programmed into the radio to make a group call, and the ships you are calling must have
this same group MMSI programmed into their radios in the GROUP Directory (see page
E-30).
1.
Scroll thorugh soft keys to select CALL soft key. CALL menu displays.
2.
Select Group Call.
3.
A list of groups displays (see page E-30 to create groups). Press ▲ and ▼ to scroll
through the list and select the group to call.
4.
The next Group Call screen shows the group and what channel you're transmitting
to. After selecting SEND, the radio switches to channel 70 to transmit the call
request and the screen displays a random countdown clock as it waits for an
acknowledgement.
5.
After the countdown clock ends, you can either resend the group call, or go back to
the Idle screen, or let the radio generate another countdown clock.
6.
After the radio receives an acknowledgement, it automatically switches to the
designated response channel.
Calling all ships (All-Ships Call)
All ships calling contacts all DSC radios within range of your ship. You should only use all
ships calling in the event of a Safety warning (such as debris in the water) or to request
assistance in an Urgency (any situation where your ship has a serious problem but is not
yet in distress).
1.
Scroll thorugh soft keys to select CALL soft key. CALL menu displays.
2.
Select ALL SHIPS. The ALL SHIPS CALL screen displays, showing two options:
SAFETY and URGENCY.
3.
Select either option and then enter the channel to transmit on. Select SEND.
4.
The next screen displays the type of ALL SHIPS CALL sent, the channel the call was
sent on, and a random countdown clock.
E-32
Uniden MHS335 Radio Owner's Manual
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