Uniden DCX 640 Owner's Manual page 77

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.
An extra handset can't join
the conversation.
The handset or the base can't
join the conversation
The answering system does
not work.
Messages are incomplete.
After a power failure, the
outgoing message is deleted.
No sound on the base unit
speaker during call monitoring
or message playback.
w w w . u n i d e n . c o m
• 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.
• Remove the base ID (see "Replacing the Base Setting" on page 28) and register the handset
(see "Register the Handset to the Base" on page 66).
• Remove the base ID (see "Replacing the Base Setting" on page 28) and register the handset
(see "Register the Handset to the Base" on page 66).
• 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 more than 2 handsets are not in use.
• When recording a conversation, the 2nd handset (or the base) cannot join the conversation.
• Make sure the base unit is plugged in.
• Make sure that the answering system is turned on.
• Make sure that the message record time is not set to Announce only (see page 56).
• The incoming messages may be too long. Remind callers to leave a brief message.
• The memory may be full. Delete some or all of the saved messages.
• Record your greeting again. The default message should remain.
• Adjust the speaker volume on the base unit.
• Make sure the call screen feature is set to on.
Suggestion
T R O U B L E S H O O T I N G [ 7 5 ]