14226915-IG, Edition 1.0
April 2018, Original document
13
When charging battery for the first time, it is necessary to leave handset in charger for 5 hours for the
battery to be fully charged. The battery is fully charged when the battery indicator becomes solid. For
more information, see
and
.
During normal operation, it takes approximately 5 hours to charge the handset from fully discharged
to its full capacity. Turning the backlight off reduces charging time with approximately 2 hours.
Note:
The battery drains slowly even while the handset is turned off.
l
Place handset in charger.
For correct charging, be sure the room temperature is between 0°C/32°F and 40°C/104°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.
The charging icon is replaced by the green fully charged icon
, when the battery is fully charged. If
the handset is turned off when placed in the charger, there will be no reaction on incoming calls.
If the handset is turned on when charging, the display shows the yellow charging icon
in the status
bar. The charging icon is replaced by the green fully charged icon
, when the battery is fully
charged. The handset will not vibrate. The handset reacts normally for incoming calls.
It is necessary to recharge battery when display shows the battery low icon
, or if the handset can-
not be turned on. When the battery is completely discharged, the battery must be charged for a
period before the handset can be turned on.
Turning Handset On/Off
For more information about the handset keys and display, see
and
.
To Turn Handset On
l
Press left softkey to turn on handset.
To Turn Handset Off
1. Press left softkey until the question
‘Turn off?’
appears in display.
2. Press
Yes
to confirm.
Spectralink Spectralink 7502 Handset User Guide