Dish Network Duo 322 - Manual (Page 25)

Page 20
Chapter 2
Receiver Description and Installation
Note: Usually, you need a telephone number prefix only for business
installations. For most residential installations, all you need to do is set
the telephone system type.
6. Move the highlight to the Outside Line Prefix list. Press the
SELECT button to select the highlighted option.
7. 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 num-
ber, the highlight moves to the next box.
8. When you have completed entering all of your numbers, the
Telephone System Setup screen will return. Select the Save
option to save the settings.