Tri-Valley Distance Education Consortium - TVDEC
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Lifesize Troubleshooting

  • Troubleshooting Checklist
    • CODEC won't turn on
      • Check power connections to the CODEC.
      • Check to make sure an electrical breaker has not switched off.
      • Push the "reset" button on the back of CODEC.
    • Video display (TV or LCD projector) does not connect to CODEC
      • Check power connections to the video display.
      • If the screen is black, click on the near button to make sure you have the correct input.
      • Check to make sure that the video display is set to correct source and not a channel.
      • If you have no picture on the display, make sure cables are properly connected on the display and that the display cable is connected to the Display 1 output on the back panel of the codec.
    • CODEC and Display both work but the CODEC will not connect to a remote site - it will not ring out.
      • Check to make sure the internet is working by calling another address - another site at your school or 204.234.229.163 which is John Stritt's office.
      • Check to make sure the ethernet connection connected to the wall port is an active port.
      • Check to make sure the ethernet connection is in the correct port on the back of the CODEC.
      • Change ethernet cables to make sure the cable is good.
    • Audio Checklist:
      • Check that your speaker system is connected.
      • Ensure both near and far ends are not muted and that the volume is turned up on your display
      • Verify that the audio out cables are properly connected to the display.
      • If an external speaker system has its own volume control, adjust the volume to near maximum (in the range from 7-10) on the LifeSize audio output and adjust the volume control on the external speaker system for the best results.
    • Echo Cancelling Problem - You are getting an echo back of your voice when you speak:
      • The problem is caused by another site which is getting feedback into their mics.  Follow these steps:
        • Identify the site that is the problem.  If there is more then one site, have each site mute their audio until you determine who is the problem.
        • When the site is determined, they should make sure that the audio on their remote is turned up and then have them turn the audio on their display down.
        • If they are connecting on a laptop, they may need to add headphones to get rid of the feedback into the computer.
    • Cannot add technology such as a document camera or computer to display.
      • Click the "near" button on the remote to see if they are connected.
      • Check the video inputs to make sure they are correctly connected.
      • If it is a computer, make sure that the video is mirrored to the connection.
    • Computer image will not fill entire screen.
      • Change resolution in your display settings of your computer.
      • Still doesn't work, send an email to jstritt@esu10.org
    • Other troubleshooting problems
      • Remote control will not work - change the batteries.
      • If you experience poor motion handling or visible tiling in the far end picture during a video call, you are probably experiencing a data transport rather then an equipment problem.  Contact ESU 10.
  • Contact Information at ESU 10



This Page was last update: Sunday, July 12, 2009 at 1:34:10 PM
This page was originally posted: 6/4/08; 2:22:07 PM.
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