Spectralink 7710, 7720, 7740 User Guide
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
status bar. The charging icon is replaced by the green fully charged icon
fully charged (when handset is removed from charger, the charging icon disappears). The handset
will not vibrate. Auto answer is inactive. The handset reacts normally for incoming calls.
The Spectralink 7720 and 7740 handset LEDs are red when charging and green when fully
charged.
It is necessary to recharge battery when the display shows the battery low icon
handset cannot be turned on.
Battery Capacity
The capacity of the battery depends on the use of backlight, Bluetooth and talk time.
Battery capacity in active mode:
Spectralink 7710/7720:
•
— up to 23 hours active talking time
Spectralink 7740:
•
— up to 22 hours active talking time
— up to 27 hours active talking time in economy mode
Battery capacity in standby mode:
Spectralink 7710/7720:
•
— 118 hours when display backlight is turned off.
Spectralink 7740:
•
— 90 hours when display backlight is turned off.
Battery capacity with Bluetooth turned ON and headset connected, in active
mode:
Spectralink 7740:
•
— up to 11 hours active talking time
Battery capacity with Bluetooth turned ON and headset connected, in standby
mode:
Spectralink 7740:
•
— 50 hours
14184663 Version 8.0
September, 2013
in the
, when the battery is
, or if the
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