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Inter-Tel
®
Model 8664/8665/8668 User Guide
FINDING YOUR WAY
Set up the dual charger by first obtaining the appropriate Inter-Tel power supply for
the country or region. Place the dual charger on a flat, horizontal surface and plug the
power supply into the dual charger and into an appropriate wall outlet.
You must end any call in progress by pressing the key before placing it into the
dual charger. Do not remove the battery pack. The endpoint may be off or in idle
mode during charging.
Place the endpoint face forward into the dual charger front slot. Place a spare battery
pack in the rear slot, charging contacts down. The front slot takes charging prece-
dence; the battery pack in the rear slot will begin charging when the endpoint in the
front slot is fully charged or when the front slot is empty.
Indicator Light
When the endpoint or battery pack is seated correctly, the corresponding indicator
light will come on. A bright indicator means the battery pack is charging, a dim indi-
cator means the battery pack is waiting to charge. The indicator light will not come on
when the endpoint is incorrectly seated, the slot is empty or when the dual charger has
no power applied.
If the indicator light is off or flashing, it means the endpoint or battery pack is incor-
rectly seated. Remove the endpoint or battery pack and reinsert it. If the LED contin-
ues to blink or starts blinking at any time during the charging process, it indicates that
there is a problem with the battery pack that makes it unusable. Do not continue to
charge the battery pack. Dispose of it properly and do not attempt to use it in the end-
point. Do not attempt to open or repair a defective battery pack. Contact your service
representative for assistance.
The indicator light will turn off when charging is complete. Full charging is accom-
plished in approximately two hours for either slot.
Charging Indicator
While the endpoint is charging in idle mode, it will display its extension number and
Charging…. The battery icon will show charging progress. The endpoint is fully oper-
ational and will ring if called. When the endpoint is charging while turned off, only
Charging… will display and no calls will be received.
Charge Complete
When the endpoint is fully charged, Charge Complete will display. If the endpoint
has been turned off, the charge complete melody will play when it is turned on.