Radio Shack 43-5560 Owner's Manual page 49

Symptom
Severe noise interference.
The Caller ID does not
display.
You cannot register the
handset at the base.
The handset doesn't
communicate with
another handsets.
The handset can't join the
conversation
If you still have problems, disconnect the phone. If other phones on the
same line work properly, the fault is in this phone or its installation. If you
cannot find the problem, take the phone to your local RadioShack store
for assistance.
Suggestion
• Keep the handset away from microwave ovens,
computers, remote control toys, wireless
microphones, alarm systems, intercoms, room
monitors, fluorescent lights, and electrical
appliances.
• Move to another location or turn off the source
of interference.
• The handset was picked up before the second
ring.
• The call was placed through a switchboard.
• Call your local telephone company to verify your
Caller ID service is current.
• Charge the battery pack for 15-20 hours.
• Deregister the handset (see "Deregister the
Handset" on page 24) and register the handset
(see "Register the Handset to the Base" on
page 44).
• Deregister the handset (see "Deregister the
Handset" on page 24) and register the handset
(see "Register the Handset to the Base" on
page 44).
• Make sure that you have registered all
handsets.
• Make sure there are not two handsets already
using the three-way conference feature.
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