Uniden UM425 VHF DSC 사용자 설명서

Turn the 

 knob clockwise to turn on the radio. As it powers on, 

the radio displays the user MMSI number; if there is no MMSI set, the radio 

displays MMSI not entered.
When it powers on, the radio selects the last channel used. 

NOTE: This menu selection is hidden by default. To access this feature; Turn 
on the radio while holding down

 SCAN and 

▲

 buttons. The feature will 

be hidden again from the menu when power is turned off. The radio comes 

preset to use the UIC channels assigned for International waters. If you are 

operating in an area that uses Canadian or United States UIC channels, you 

will need to change the channel mode.

Press the 

1. 

 button to display the menu, and choose the Setup 

sub-menu.

Select 

2. 

USA/CAN/INT. The screen displays the UIC channel setup.

Highlight the channel mode you want to use: US (

3. 

USA mode), 

Canadian (Canada mode), or international (Intl mode). 

Press the 

4. 

button. The radio activates the new channel mode 

and exits the menu.

The UM425 has two basic modes of operation:

Operation mode

What it does:

Use it when:

To turn it on/off:

Normal mode

Monitors a single 

marine radio 

channel and lets 

you talk on that 

channel.

You want to talk to 

another station on a 

specific channel.

(default mode)

Scan mode

Monitors all the 

channels you save 

into memory.

You have a small 

group of channels 

you use most often 

and want to check 

them for traffic.

Press the 

 button.

UM425 VHF OM.indd   12

28/9/11   11:55:15 AM