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Appendix
Troubleshooting
Disconnect the telephone base from the
telephone wall jack and plug in another
corded telephone. If calls are still not clear, the
problem is probably in the wiring or telephone
service. Contact your telephone service
provider (charges may apply).
If you subscribe to high-speed Internet
service (DSL - digital subscriber line) through
your telephone line, you must install a DSL
filter between the telephone line cord and
the telephone wall jack (see Telephone
installation on page 8). The filter prevents
noise and caller ID problems caused by DSL
interference. Please contact your DSL service
provider for more information about DSL filters.
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I hear other calls when
using the telephone.
Disconnect the telephone base from the
telephone wall jack. Plug in a different
telephone. If you still hear other calls, the
problem is probably in the wiring or telephone
service. Contact your telephone service
provider (charges may apply).
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appears on the screen. The batteries need to be replaced. Remove and
install new alkaline AA batteries (purchased
separately).
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Display screen is blank. Make sure alkaline batteries with enough
charge are installed.
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Operation during a power
failure.
This telephone operates during a power failure
if a telephone line cord is installed between
the telephone wall jack and the telephone
base. You are able to answer calls with the
handset, and make calls using the dialing
keys. No other features work unless batteries
are installed. All settings in menu options are
retained during a power failure if a telephone
line cord is installed between the telephone
wall jack and the telephone base.
If there are no batteries installed and the
telephone is plugged into a telephone wall
jack, when you lift the handset the screen
display works using the power from
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