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Low-Battery Indication
When the charge falls to approximately 5% of the
battery’s capacity, the message
BATTERY LOW
is
displayed and the phone beeps once. This warning is
repeated every five minutes if the phone is in standby
mode, or every minute if in a call.
When the battery is fully discharged, the message
RECHARGE BATTERY
is displayed and the phone
beeps three times. The phone then switches off
automatically.
Battery Performance
Batteries will last longer and perform better if allowed
to discharge fully at least once a week. You can do
this by leaving the phone switched on overnight
(or longer for an Extended Battery, type BTH-8H or an
Ultra Extended Battery BTH-8HM), until the message
RECHARGE BATTERY
is displayed and the phone
switches off. Alternatively, you can use the deep-
discharge facility if this is available on your (optional)
Compact Desktop Charging Stand.
Storage
When a battery is not in use, store it uncharged in a
cool, dark and dry place. If left unused, a fully-
charged battery will discharge itself in a few weeks at
room temperature.
REFERENCE INFORMATION
LIST OF DISPLAY MESSAGES
AUTO PWR OFF
Phone is installed in a car kit with ignition sense
connected. When ignition is switched off, this
message appears, and the phone will switch off
automatically in 5 seconds.
BATTERY LOW
Appears when battery charge is down to approximately
5% of the battery’s capacity, then every 5 minutes if
phone is in standby mode, or every minute if it is in a
call.