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3. Do not use detergents and avoid
excess moisture.
4. The C4210 is an electrical device. Avoid
electric shock by keeping the phone away
from water (i.e. bathroom, kitchen sink, etc.).
The unit will not operate/no dial tone:
• Verify the TALK Button is lit.
• Verify the AC Adapter is securely plugged
into AC outlet, the base and the telephone.
• Verify the telephone line cord is securely
plugged into the wall jack and the telephone.
• Make sure the base antenna is in an
upright position.
• Make sure the handset battery is fully charged.
• Verify the telephone is in the correct dialing
mode, tone (touch) or pulse (rotary).
• Make sure you are in the usable range of the
base station.
• Reset the security code by placing the handset
in the base for 5-10 seconds.
The phone does not ring when you
receive a call:
• Make sure the RINGER switch on the handset
and base are set to ON.
• Verify the AC Adapter is securely plugged into
AC outlet, the base and the telephone.
• Verify the telephone line cord is securely
plugged into the wall jack and the telephone.
• Make sure you are in the usable range of the
base station.
• You may have too many extensions on your
line. Try unplugging a few devices.
5. Pressing the UP (▲) key will show blinking
413-456-7890 again.
Delete Caller ID Information
While reviewing the Caller ID, press DEL/CH button
to delete the displayed caller information. LCD will
flash DELETE ?.
Press DEL/CH to confirm. CID DELETED will be
displayed for 2 seconds. The next record is shown
automatically or - NO CALLS - if the list is empty.
• At anytime, the user can press FLASH button
one time to go back to standby mode.
Or
• It will go back to standby automatically at
30 seconds time out if there is no action.
Deleting All Caller ID Information
While reviewing the Caller ID, press and hold the
DEL/CH button for two seconds. LCD will flash
DELETE ALL?. Press DEL/CH to confirm. LCD will
display ALL CID and DELETED for 2 seconds and
then - NO CALLS -.
• At anytime, the user can press FLASH button
one time to go back to standby mode.
Or
• It will go back to standby automatically at
30 seconds time out if there is no action.
The C4210 has been designed to give you years
of dependable service with a minimum of care. To
ensure the utmost in performance, follow these
guidelines in caring for the unit:
1. Avoid dropping or knocking the unit.
2. Dust the unit regularly. Wipe the unit with a
soft damp cloth.
TELEPHONE OPERATIONS MAINTENANCE AND CARE