Uniden MHS135DSC Making an automatic distress call, Calling all stations All-Ships Call

6.The radio automatically switches to channel 70 to transmit the call request.

xx When the other station accepts the call, both radios switch to the selected response channel for voice transmission.

xx If the other station cannot respond on the channel you selected, the radio displays Not support CH.

Calling a particular group of stations (Group Call)

Group calling calls all the stations that share your group MMSI. You must have a group MMSI programmed into the radio to make a group call, and the stations (boats) you are calling must have this same group MMSI programmed into their radios.

1.Press and hold MENU/CALL to display the Call menu.

2.Select Group.

3.The radio prompts you to select a response channel. Use CHANNEL UP and CHANNEL DOWN to scroll through the available channels. When you reach the channel you want to use for a response, press ENTER-H/M/L.

4.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.

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 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.

2.The radio displays the list of distress conditions; use CHANNEL UP and CHANNEL DOWN to choose the nature of your distress, then press and hold DISTRESS for three seconds.

E-20 Uniden MHS135DSC Radio Owner’s Manual