Polycom IP 550 manual Backlight Intensity

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User Guide SoundPoint IP 550

5.Press or the Exit soft key repeatedly to return to the idle display.

Backlight Intensity

Backlight intensity on the SoundPoint IP 550 phone has three modes:

•Backlight On

•Backlight Idle

•Dim

You can modify the Backlight On intensity and the Backlight Idle intensity separately. You can select high, medium, low, and off levels for both.

Dim mode intensity is determined by the Backlight On intensity and the Backlight Idle intensity together as follows:

Backlight On Intensity	Backlight Idle Intensity	Dim Intensity

off	off	off

low	dimmer than low	low

medium	dimmer than medium	medium

high	off	medium

high	low	medium

high	medium	medium

high	high	high

The Backlight On mode turns on for following events:

•Any key press

•Hookswitch release

•Incoming calls

•Ending a call, holding a call, resuming a call by the other party

•A voice or instant message received

•A USB device plugged in or unplugged

If you do not press any keys on the phone, after 20 seconds of the backlight turning on, the backlight dims (or changes) to medium in the following cases:

•A call is in progress

•A call is on hold

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Contents User Guide for the SoundPoint IP Trademark Information About This Guide User Guide for the SoundPoint IP Contents Using the Basic Features of Your SoundPoint IP 550 Phone Using the Advanced Features of Your SoundPoint IP PhoneTroubleshooting Your SoundPoint IP 550 Phone Contents User Guide SoundPoint IP Viii Getting Started with Your SoundPoint IP 550 Phone Parts List Power adapter specification varies according to countryAssembling Your SoundPoint IP 550 Phone Connecting Network and Power Source Connecting the Handset and Optional Headset Attaching the Base OptionalTo attach the base as a desk mount To attach the base as a wall mount Features of Your SoundPoint IP 550 Phone Hookswitch Getting Started with Your SoundPoint IP 550 Phone Using the Navigation Keys Customizing Your SoundPoint IP 550 Phone Configuring Basic Settings Time and DateSelect Settings Basic Contrast Display ContrastBacklight Intensity Select Settings Basic Backlight Intensity Select Backlight On IntensityHeadset Memory Mode Select Settings Basic Preferences Headset MemoryRing Type Select Settings Basic Ring Type Select Settings Basic Preferences LanguageLanguage Support Adjusting the Volume Muting the MicrophoneManaging Call Lists Managing Contacts Adding ContactsSelect Contact Directory Customizing Your SoundPoint IP 550 Phone Editing Contacts Deleting Contacts Placing a Call to a Contact Searching For a ContactManaging Incoming Calls Distinguishing CallsRejecting Calls Diverting CallsSystem Customizations Supporting Multiple LinesSupporting Multiple Line Keys Per Line Supporting Shared Lines User Guide SoundPoint IP Using the Basic Features of Your SoundPoint IP 550 Phone Placing a Call To place a call using the handset Answering a Call Duration and destination Key will stop the ringing for that call To answer an incoming call on a shared line Ending a Call Redialing a NumberPutting a Call on Hold Setting Up a Conference Call the first partyTo split a conference call Transferring a Call To transfer a call onDuring a call, press or the Trnsfer soft key Administrator Forwarding CallsPress and select Features Forward Enabling Do Not Disturb Assigning Speed Dial Keys Change the Speed Dial Index Using Voice Mail More voice messages are waiting at the message centerUser Guide SoundPoint IP Using the Advanced Features of Your SoundPoint IP 550 Phone Using Multiple Call AppearancesUser Guide SoundPoint IP Using Text Messaging Select Features Messages Instant Messages Using Buddy Lists PresenceManaging Buddies Press , then select Features Presence Buddy Status Integrating With Microsoft Live Communications ServerSelect Features Presence Buddy Status Privacy List Restarting Your PhonePress , then select Settings Advanced Restart Phone User Guide SoundPoint IP Troubleshooting Your SoundPoint IP 550 Phone Power and Startup Symptom Problem Corrective ActionControls Access to Screens and Systems To Restarting Your Phone onCalling Displays AudioRegulatory Notices Polycom Limited Warranty and Limitation Liability CE and Vcci Mark User Guide SoundPoint IP Regulatory Notices Index User Guide SoundPoint IP Index User Guide SoundPoint IP Index