Uniden UM425 VHF DSC 사용자 설명서

GPS Data OK The radio is receiving valid GPS data.
Check GPS

The radio is not receiving valid GPS data: check the GPS status screen and 

the GPS connection.

Input Position The radio has been unable to receive valid GPS data for at least four hours; 

it can no longer track your position. You need to manually input your position 

(see Setting the GPS position manually on page 22).

Battery Low

The battery voltage output is too low (below 10.5 VDC).

Battery High

The battery voltage output is too high (above 16.0 VDC).

Triple Watch

Triple Watch is turned on.

Dual Watch

Dual Watch is turned on.

• 

To transmit, press and hold the 

 button on the 

microphone. Release the button when you are finished talking. 

• 

For the best sound quality, hold the microphone about two inches from 

your mouth while you’re talking.

• 

Press the 

 button on the radio or the

▲

 button on the 

microphone to move up one channel at a time. Press and hold either 

button to scroll quickly up the channels. 

• 

Press the 

 button on the radio or the

▼ 

button on 

the microphone to move down one channel at a time. Press and hold 

either button to scroll quickly down the channels. 

• 

To change the transmit power, press the 

button. The transmit 

power switches between 1 watt and 25 watts each time you press the 

button.

UM425 VHF OM.indd   14

28/9/11   11:55:15 AM