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E53
ADDITIONAL
INFORMATION
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. There can be a problem with your
Caller ID service.
• Charge the battery pack for 15-20 hours.
• De-register the handset (see "De-register the Handset"
on page E23).
• Change the digital security code (see "Changing the
Digital Security Code" on page E49).
• De-register the handset (see "De-register the Handset"
on page E23).
• Change the digital security code (see "Changing the
Digital Security Code" on page E49).
• Make sure that you have registered all handsets.
• Make sure there are not 2 handsets already using the
3-way conference feature.
• Make sure that another handset is not in privacy mode.
• Make sure to place the handset(s) within the range of
the base.
Symptom
Severe noise
interference.
The Caller ID
does not display.
You cannot
register the
handset to the
base.
The handset
doesn't
communicate
with other
handsets.
The handset
can't join the
conversation.
Room Monitor
feature does not
work.
UP800DH(CLT-D5880) OM 1/24/06 3:39 PM Page 53