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Connecting the Receiver to a Phone Line
5. Select one of the following:
If you do not need to dial a prefix, select the No Prefix option.
If you need to dial a prefix (for example, dial 9 to get an outside line),
select the Prefix Code option. The receiver displays the same number
of boxes (highlighting the first box) where you must enter the digits.
Use the Number Pad to enter the prefix code. As you enter each
number, the highlight moves to the next box.
6. Move the highlight to the Save option. Press the SELECT button to save
the settings.