Calling All Stations (All-Ships Call; Making An Automatic Distress Call - Uniden MHS135 Owner's Manual

Exit (press CLR/SCAN) to cancel the call.
5. The radio switches to channel 70 to transmit the call
request then automatically switches to the designated
response channel.

Calling all stations (All-Ships Call)

All ships calling contacts all DSC radios within range of your
boat. 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 vessel
has a serious problem but is not yet in distress).
1. Open the Call menu.
2. Select All Ships, and then choose whether this is an
Urgency call or a Safety call.
3. The radio asks you to confirm the call. Select Send
(press ENTER-H/M/L) to continue with the call or select
Exit (press CLR/SCAN) to cancel the call.
4. The radio automatically switches to channel 70 to
transmit the call request then automatically switches to
channel 16, the designated response channel for all-
ships calling.

Making an automatic distress call

If you have programmed your MMSI number, your radio can
transmit an automated distress call with your current location
and nature of the distress. The radio then monitors the
channel 16 for a response and repeats the distress call every
few minutes until it receives an acknowledgement.
To send an automatic distress call, press and hold
DISTRESS for three seconds. If no MMSI number has
been programmed, the radio prompts you to enter your
MMSI number.
If you want to include the nature of your distress in the
distress call, use the following distress procedure:
1. Press DISTRESS.
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Uniden MHS135 Radio Owner's Manual