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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, 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.
5.
After the countdown clock ends, you can either resend the group call, 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.
MAKING AN AUTOMATIC DISTRESS CALL
After you have programmed your MMSI number, your radio can transmit an automated
distress call on channel 16 at 6W with your current location and nature of the distress. The
Distress Alert alarm sounds and the radio then monitors channel 16 for a response and
repeats the distress call every few minutes until it receives an acknowledgement.
1.
If you have not already selected a distress message type (see page E-10), go to
MENU/DISTRESS MESSAGE. Select the nature of the alert from the list. The screen
returns to the Main menu.
Undesignated
Adrift
Collision
2.
Press and hold the DISTRESS key on the side of the radio for about 3 seconds. The
Distress Alert alarm sounds and the radio acquires GPS location if needed. After 10
seconds, the radio transmits the distress call, starts a random countdown timer, and
waits for an acknowledgement.
3.
After the timer counts down, another random countdown timer begins unless you
take action Pause, Cancel, or Manually Resend).
NOTE: If no MMSI number has been programmed, the radio prompts you to enter your MMSI
number.
E-34
Sinking
Flooding
Piracy
Uniden MHS335BT Radio Owner's Manual
Fire, Explosion
Abandoning
Ship
Grounding
Man Overboard
Capsizing
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