Polycom realpresence group series Administrator's Guide

Audio and Video Tests
You can perform audio and video diagnostic tests on your system.
Diagnostic Screen Description
Speaker Test Tests the audio cable connections. A 473 Hz tone
indicates that the local audio connections are correct.
If you run a test during a call, people on the far site also
hear the test tone.
Audio Meters Measures the strength of audio signals from
microphones, far-site audio, and any device connected
to the audio line in.
Meters function only when the associated input is
enabled.
Note: Some audio meters are unavailable when a
SoundStructure digital mixer is connected to
the room system.
Troubleshooting
Polycom, Inc. 276

Polycom realpresence group series Specifications

General

Video Standards	H.264, H.263, H.264 High Profile
Audio Standards	G.711, G.728
Content Sharing	People+Content
Network	H.323, SIP
Security	AES encryption
Video Input	HDMI
Video Output	HDMI
Audio Input	HDMI
Audio Output	HDMI
Audio Features	Noise Reduction, Automatic Gain Control
Connectivity	Ethernet
Ports	Ethernet, HDMI
Compatibility	Microsoft Lync / Skype for Business, BlueJeans, Zoom