Setting Up the Machine
24
STEP 1
 
 12 Changing the prefix number
1 Press Menu, 0, 6.
2 Do one of the following:
 To change the prefix number, press 1.
 To exit without making a change, press 2 
and go to 4.
3 Enter a new prefix number using the dial pad 
(up to 5 digits), 
press OK.
4 Press Stop/Exit.
 
 13 Setting the LCD contrast
You can change the contrast to help the LCD look 
lighter or darker.
1 Press  Menu.
2 Press 1.
3 Press 7.
4 Press   to increase the contrast.
—OR—
Press   to decrease the contrast.
Press OK.
5 Press  Stop/Exit.