LG OCS 2007 IP8540 - Manual (Page 10)

IP8540 User Guide
5
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Light-emitting diode (LED) status lights : Indicates user presence information
(Green indicates “Available”, Amber indicates “Away”, Green & Amber indicates
“Inactive”, and Red indicates “Busy” or “Active Call”)
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Scroll-wheel : Navigates up and down the contact list and other elements of the
user interface.
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Volume up/down button : Increases and decreases the volume for the
ringer, handset, and loudspeaker.
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Mute microphone : Disable or enable audio input
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Speakerphone button : Activate or deactivate speakerphone
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Headset button : Activate or deactivate headset audio
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Finger reader : Allows you to log on to your IP8540 with the touch of your finger
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Help : Displays context sensitive help