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Troubleshooting
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Cobra Customer Service
Live operators are available
M-F 8:00 am - 8:00 pm CST at:
773.889.3087. Automated
Technical Assistance available
by phone 24 hours a day,seven
days a week.
E-mail questions to:
productinfo@cobraelec.com
Cobra on the World Wide Web:
Frequently Asked Questions
(FAQ) can be found on-line at:
www.cobraelec.com
Frequently Asked Questions
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1.How long should the handset battery be
charged?
Typically leaving the handset on the base
overnight will charge the battery sufficiently.
2.How long can a battery last after a twelve
hour charge?
After a twelve hour charge,the handset has typi-
cally 8 hours of continuous talk time,or 14 days in
standby mode (when the phone is out of the
base but not in use).
3.What is the range of my cordless phone?
There is no way to easily answer this question as
many factors affect the range of a cordless
phone. In an open field,under ideal conditions,a
900 MHz cordless phone can have an effective
range of about 1200 feet.
Unfortunately,most cordless phones are used
under conditions that are anything but ideal. The
effective range of a cordless phone varies
because of environmental and other conditions.
Cordless phones and other 900 MHz devices may
cause interference which may limit the effective
range of your cordless phone.Changing the
channel may help.
Aluminum siding can also have a dramatic effect
on range.Try using your cordless phone in many
locations in and around your home.Each situa-
tion presents different conditions under which
the phone must work.
Phone is dead
Are power adapter and phone cord connected?
Handset beeps during call or away from base
Batteries need recharging; return handset to base.
Handset disconnects,loses performance and
beeps three times when in use away from base
Out of range or batteries need recharging.
Move closer to base or recharge batteries.
Unable to make call because of interference
Move closer to the base, access the line,select a
new channel,and try moving back to your previ-
ous location.
Handset won’t work after power outage or
disconnecting from AC power & reconnecting
Return handset to base for thirty seconds to
automatically match security coding.
Handset seems “dead”
Battery power has run out; return handset to base
and charge for at least 12 hours. If handset still
seems dead,unplug handset battery for 15 sec-
onds and plug back in. Then place handset back
on base for at least 5 minutes.
Memory dialing not working
Batteries need recharging; return handset to base.
Re-enter memory numbers.
CP9135 manual layout.6 10/20/98 12:41 PM Page 48