E-33
Uniden MHS335 Radio Owner’s Manual
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
Sinking
Fire, Explosion
Man
Overboard
Adrift
Flooding
Abandoning
Ship
Capsizing
Collision
Piracy
Grounding
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.
Canceling an automatic distress call
While the radio is waiting for a response, it gives you the option of canceling the call. To
cancel the distress call, press the
CANCEL
soft key. A confirmation screen displays; press
the
YES
soft key.
Resending an automatic distress call
Press the
RESEND
soft key.
Receiving an automatic distress call acknowledgement
Once you receive an acknowledgement that the distress call was received, you must
manually mute the acknowledgement alarm. Press the
MUTE
soft key.
Receiving a distress call
When you receive a distress call, the Receiving DSC Distress Call alarm sounds. Press
any key to silence the alarm.
NOTE: This radio does not have the ability to acknowledge a distress call. Only the Coast Guard or
an authorized Search and Rescue agency can acknowledge a DSC distress call.
The soft keys change to
QUIT
(return to the Idle screen),
PAUSE
, and
INFO
(view