West Marine VHF580 manual Making DSC Calls, Channel Up Button Channel Down Button

5.When the first digit is correct, press ENT-1W/25W. The cursor moves to the next digit. Enter the remaining eight digits of the MMSI number in the same way. If you make a mistake while entering a number, press CLR-SCANto erase the wrong number and the cursor is moved to the left digit.

6.When the ninth digit is correct, press ENT-1W/25W.

7.The radio prompts you to enter a name for this MMSI number; the name is what you will see in the directory list. Each name can be up to 12 characters. Use CHANNEL UP and CHANNEL DOWN to change the first character. The channel buttons scroll through the available characters according to the following table:

Channel Up Button

Channel Down Button

Capital letters (A through Z)	One blank space
Lower-case letters (a through z)	Numbers (0 through 9)
Punctuation (/ ‘ + -)	Punctuation (/ ‘ + -)
Numbers (0 through 9)	Lower-case letters (a through z)
One blank space	Capital letters (A through Z)

8.When the first character is correct, press ENT-1W/25Wbutton. The cursor moves to the next character. Enter the remaining 11 characters of the name. If the name is shorter than 12 characters, press and hold ENT-1W/25Wto complete the name entry. (If you press and hold ENT-1W/25Wwithout entering a name, the radio uses the MMSI number in the directory list.) If you make a mistake while entering a number, press CLR-SCANto erase the wrong number and the cursor is moved to left digit.

9.When you finish entering the name, the radio displays the new MMSI number and name and asks you to confirm. To save this directory entry, select Yes; to cancel this directory entry, select No. The radio returns to the directory list.

10.To change an existing directory entry, select the entry you want to change.

11.To delete the directory entry, select Delete. To edit the code, select Edit, then use CHANNEL UP and CHANNEL DOWN to edit the MMSI number and the name.

12.When you are satisfied with the directory list, select Exit to close the menu screen.

Making DSC Calls

There are essentially four different types of DSC voice calls:

Call type	What it does	When to use it
Distress	Alerts all stations that you need	In an emergency only.
	assistance and sends them your
	current position.
Individual	Calls a single station using the	Any time you want to talk to another
	User MMSL.	station.
Group	Calls all the stations that have the	Any time you want with the whole
	same Group MMSL as yours.	group you are traveling with at the
		same time.
All Ships	Calls all stations within range of	Safety warnings (e.g., debris in the
	your radio.	water) or any urgent situation.

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