| Troubleshooting | 226Symptom Reason SolutionDust and debris may cause theaudio quality.Do not use any kind of liquid oraerosol cleaner on the phone. Asoft, slightly damp cloth should besufficient to clean the top surfaceof the phone if necessary.No audio input device. Audio input device is connectedcorrectly.The speaker of the far site isobscured or damaged.Ensure that speaker is not obscuredor damaged. Do not stack itemson top of the CP960 conferencephone.Far site cannot hear your audioduring a call.Your microphone is muted Unmute the microphone.The volume of the far site is set to0.Contact the far site to adjust thevolume.The users sit too far from or near tothe microphone.Adjust the distance.The audio pickup device is movedfrequently.Put the audio pickup device in thefixed location.Network congestion. Connect the network administrator.You may experience poor voicequality during a call, such asintermittent voice, echo or othernoise.Cable gets old. Replace the old cables withthe new cables, and then checkwhether the new cables providebetter connectivity.You cannot hear the ring tone whenreceiving a call.The volume is set to 0. Adjust the volume.Video IssuesSituation Reason SolutionThe system is in sleep mode. Press any key on the remotecontrol to wake the system.The system is powered off Power on the system.Picture is blank on the monitor.The HDMI cable is not connectedto the system.Make sure that the monitor isconnected correctly according tothe Quick Start Guide.Unsuitable monitor resolution. Unsuitable monitor resolution.The packet is lost. View the call statistics to checkwhether the packet is lost andcontact the network administrator.The video quality is poor.Unsuitable camera parameters. Adjust the camera parameters, suchas the brightness and the whitebalance.
