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• Place handset in charger.
For correct charging, be sure the room temperature is between 0°C/32°F and 40°C/
10
4°F. Do not place the handset in direct sunlight. The battery has a built-in heat sensor
which will stop charging if the battery temperature is too high.
If the handset is turned off when placed in charger,
nothing indicates the charging.
There will be no reaction on incoming calls.
If the handset is turned on when charging,
the display shows the blue charging icon
in the status bar. The charging icon is replaced by the green
fully charged icon ,
when the battery is fully charged (when handset is removed from charger, the charg-
ing icon disappears). The handset will not vibrate. A
uto answer is inactive. The hand-
set reacts normally for incoming calls.
It is necessary to recharge battery when display shows the battery low icon , or if the
handset cannot be turned on.
1.6 Battery Capacity
The capacity of the battery depends on the use of backlight and talk time.
Battery capacity in active mode:
• 5020: up to 20 hours of talk time. 504
0: up to 15 hours of talk time.
Battery capacity in standby mode: