Philips CD4450B User Manual page 24

The appears soon after the batteries
are charged.
• Replace the batteries with new ones (use
only RECHARGEABLE batteries)
Set-up
Caller ID does not work properly.
• Check with your local phone company that
the CID service is subscribed to
• Let the phone ring at least once before
answering
The Call Waiting call cannot be answered.
• Check with your local phone company and
select the correct recall duration
The handset LCD displays nothing.
• Try again by disconnecting and connecting
the base station power supply and follow
the procedure to register a handset (see
Section 5.7.1)
• Make sure the two supplied rechargeable
batteries have been inserted properly into
the battery compartment
• Remove and place back the handset
batteries
• Make sure the supplied batteries are
charged up
The handset displays UNREGISTERED
• Follow the procedures to register the
handset to a base
Sound
Handset does not ring!
• Increase the volume
• Make sure that the adaptor and the phone
cord are connected properly
• Move the handset closer to the base unit
• Make sure the handset ringer is turned on
Caller does not hear me!
• Microphone may be muted: During a call,
press .
22
Noise interference on your radio or
television
• Move the power adaptor or base station as
far away as possible
Product behaviour
Caller Line Identification (CLI) service
does not work
• Check your subscription with your network
operator
A phonebook entry cannot be stored
• Check if the phonebook memory is full,
delete an entry to free memory.
The handset is unable to register
• Make sure that
seconds
• Each base can only register up to four
handsets
Note
If the above solutions do not help, remove the
power from both the handset and the base.
Wait for 1 minute and try again.
has been pressed for 3
Frequently asked questions