Uniden UM425 VHF DSC 사용자 설명서

If you have programmed your MMSI number, the UM425 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 the 

If you want to include the nature of your distress in the distress call, use the 

distress procedure below:
1. 

Press the 

 button.

2. 

The radio displays the list of distress conditions; use the 

 

and 

 buttons to highlight the nature of your distress, 

then press and hold the 

 button for three seconds.

•  Undesignated
•  Fire
•  Flooding
•  Collision
•  Grounding
•  Capsizing

•  Sinking    
•  Adrift     
•  Abandoning 
•  Piracy/Armed
•  Overboard

3. 

If no MMSI number has been programmed, the radio prompts you to 

enter your MMSI number.

While the radio is waiting for a response, it gives you the option of canceling 

the call. To cancel the distress call, highlight Cancel and press the 

button.

UM425 VHF OM.indd   32

28/9/11   11:55:17 AM