AT&T 929 - Manual (Page 17)

15
Troubleshooting
Cannot store
telephone
numbers in
memory • Make sure you are pressing the correct
sequence of buttons when storing numbers
(see pages 11 and 12).
• Make sure you have installed three fully
charged AA batteries (not included)
following the polarity guide in the battery
compartment. See Installation on page 3 of
this user's manual.
• The backlight may not be noticeable unless
the room is dark.
Backlight of
AUDIO ASSIST,
MUTE or
is dim or not
functioning
Memory numbers
are lost • Make sure the line cord is connected.
This telephone retains numbers stored in
memory for about thirty minutes if the
telephone line cord is disconnected.
Appendix