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Projection in 7B-3220 (DPL) - Knowledgebase / AV and Projection - CADTech Help Desk

Projection in 7B-3220 (DPL)

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To Connect the Teacher Station:

  1. Make sure all TVs are turned on.

  2. Select Instructor Station on the top bar of the control panel.

  3. Tap PC

  4. Tap Send to all Displays

To Connect a Laptop:

  1. Make sure all TVs are turned on.

  2. Plug the USB-C connection into the laptop

  3. Select Instructor Station on the top bar of the control panel.

  4. Tap USBC Connection

  5. Tap Send to all Displays


Trouble Shooting:

  • If the sound isn’t working.

    • Make sure the mute button on the control panel is not red (red means muted)

    • Make sure Extron is selected as the output in the audio settings of your device (computer, laptop)

    • Make sure volume is not muted on the computer.

  • If the TV’s aren’t displaying:

    • Repeat the steps above to connect the computer to the TVs but wait a few seconds before tapping each button on the screen.

    • Try unplugging the USB-C cable on the laptop or teacher station and then plug it back in securely. Then tap Send to all Displays.

    • If this still hasn’t worked please submit a ticket to CADTech.


Submit a ticket at helpdesk.cad.rit.edu If you are experiencing further issues.

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