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Model 8664/8665/8668 User Guide
FINDING YOUR WAY
ABOUT OPERATING MODES
The default mode for the Model 8664, 8665, and 8668 endpoints is the idle mode,
which is also the power-saving mode. If the display shows just the extension number,
the endpoint is in idle mode. While the endpoint is in idle mode, the various endpoint
features, functions, and menus are not available. To place the endpoint in idle mode
from the two-line display, press
(two presses are required from the four-line
display). If you press
from the idle mode, the endpoint is powered off.
NOTE: You must place the endpoint in idle mode to charge the battery pack using the
desktop charger (see page 15) and dual charger (see page 16).
You must place the endpoint in active mode to place a call and access endpoint fea-
tures. When the endpoint is in active mode, the two- or four-line display is visible,
and the features, functions, and menus are available. Battery resources are required
whenever the endpoint is turned on whether in active or idle mode. To place the end-
point in active mode you can either press
or while in idle mode.
CAUTION
To safeguard against accidental ring bursts in the user’s ear, the endpoint will only
ring when it is in idle mode. If the endpoint is in active mode (two or four-line dis-
play is visible) and you receive a call, the ring will not be audible, however, the
display will indicate that there is an incoming call. To prevent missed calls, and
to ensure that your endpoint’s battery pack is adequately charged, it is
strongly recommended that you return your endpoint to idle mode and place
it in the desktop charger or dual charger when you are not using it.
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