West Marine VHF580 사용자 설명서

25

Suppose you are coordinating safety for a sailboat race. Before the race starts, you instruct all 

the racers to enter your group MMSI number into their radios. During the race:   

 x

Throughout the race, you use 

group calling to update the 

racers on the time, race status, 

and any course corrections. 

 x

A power boat full of 

spectators comes a little too 

close to the race path. You use 

individual calling to contact 

the power boat and advise 

them to stay clear of the race. 

 x

You see a rowboat entering 

the area, but since it doesn’t 

have a radio, you can’t 

communicate with the 

rowboat. You use all ships 

calling to alert all the other 

boats in the area of the 

possible danger. 

Calling a single station 
(Individual Call) 
To call a single station with DSC, 

follow the steps below: 

1.  Press 

 to display the call menu. 

2.  Select Individual. 

3.  The radio displays the names listed in your directory; use 

 and 

 

to choose the directory entry you want to call and press 

. 

If you want to call a station that is not in your directory, select Manual. The radio 

prompts you to enter the MMSI number you want to call. Enter the MMSI number the 

same way you enter directory entries (see page 22) Enter all nine digits and press 

. 

4.  The radio prompts you to select a response channel. Use 

 and 

  

to scroll through the available channels. When you reach the channel you want to use for 

a response, press the

 button. 

5.  The radio displays the MMSI number you are about to call and asks you to confirm. If you 

want to call the displayed MMSI number, select Send. To cancel the call, select Cancel. 

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

 x

When the other station accepts the call, both radios switch to the selected response 

channel for voice transmission. 

 x

If the other station cannot respond on the channel you selected, the radio displays Not 

support CH.