Polycom IP 650 - Manual (Page 28)

User Guide SoundPoint IP 650
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Language Support
Many languages are supported by the SoundPoint IP 650 phone.
To change the language:
1. Press .
2. Select Settings > Basic > Preferences > Language.
3. Scroll through the list of available languages.
4. Press the Select soft key when the desired language is highlighted.
Text that appears on the graphic display will change to the language of
your choice.
5. Press or the Exit soft key repeatedly to return to the idle
display.
Muting the Microphone
During a call, press . The Message Waiting Indicator turns red and a
microphone on the graphic display indicates that the other party (or parties)
cannot hear you.
Microphone Mute applies to all modes: Handset, Headset, and Hands-free
Speakerphone. You can still hear all other parties while mute is enabled.
To turn off Microphone Mute, press again.