Message Cause and SolutionCheck sub camera settingSet the sub camera HDMIoutput to 1080i.If [#] is pressed, the systementers safe mode after restart.• A standard definition (640 ´ 480p, 720 ´ 480p) video camera signal hasbeen detected.→ Change the video camera’s resolution to HD (1920 ´ 1080i).Note• If you enter Safe Mode during a video conference call, the call willbe disconnected.Check sub camera settingSet sub camera operatingfrequency to nHz.If [#] is pressed, the systementers safe mode after restart.Note• The field frequencysetting of theKX-VC500 (50 or 60)is represented by n.• A video camera with a different field frequency to the KX-VC500 hasbeen detected.→ Use a video camera with the same field frequency as the KX-VC500.Note• If you enter Safe Mode during a video conference call, the call willbe disconnected.Call failed due to softwareversion mismatch.• A video conference call to an incompatible device was attempted.→ Check the other party’s device. Video conference calls cannot be madeto devices other than a Panasonic KX-VC500.• A video conference call to a KX-VC500 with an incompatible softwareversion was attempted.→ Check the software version of all parties. Update the KX-VC500 withthe older software version so that the versions match.Call Failed due tocombination mismatch.• In a multiple-party video conference call, one or more of the parties isincompatible.→ Check the software version of all parties. Update the KX-VC500 withthe older software version so that the versions match.Call Failed due tounsupported product or othererror.• An unsupported feature was used.→ Check the software version of all parties. Update the KX-VC500 withthe older software version so that the versions match.For details about supported versions and features, contact your dealer.96 User ManualAdditional Information