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Zoom Rooms TV On/Off Configurations Follow


In this article, we will discuss some features that apply to non-operating hours.

Both options in this article achieve the following:

  • TVs are black
  • Zoom Rooms Controller/Scheduler are dim

NoteOur recommendation is to use Dark Mode/Operation time to put TV to dark mode instead of using HDMI-CEC. 

This article covers:

Black Screen Mode (Preferred)

Zoom Rooms video output will automatically go black during non operation time. No setup necessary

Key Advantage: Zoom Rooms is still operable. A late attendee may still enter the room and tap the iPad to "wake up" the Zoom Room seamlessly.


  • Zoom Rooms for ChromeOS version 3.6.2995.0127 or higher
  • Zoom Rooms for Mac version 4.3.0 (446.0130) or higher
  • Zoom Rooms for PC version 4.3.0 (390.0130) or higher

CEC (Consumer Electronics Control)

In Zoom Rooms that have CEC-supported TVs, you can power the TVs on or off manually using the Zoom Room Controller and automatically based on Zoom Rooms Operation Time.

Note: Additional hardware and setup is required. Any use during non-operating time will require a manual command to turn displays on within settings on the ZRC.


  • TV with CEC enabled on selective Samsung models
  • Pulse 8 USB-CEC adapter - one per display
  • Lindy HDMI CEC Less Adapter - one per display
  • Zoom Rooms Controller for iPad version 4.2.37605.0629 or higher
  • Zoom Rooms Controller for Android version 1.0.16326.1205 or higher
  • Zoom Rooms Controller for Windows 4.3.33234.0925 or higher
  • Zoom Rooms for Mac version 4.0.37666.0630 or higher
  • Zoom Rooms for PC version 4.0.44731.0823 or higher

Setting up TV with HDMI-CEC Support

Follow these steps if you have a TV with CEC and want to automatically turn it off to conserve energy.

For single screen

  1. Connect the short HDMI cable from Pulse-Eight adapter to the Mac HDMI and TV HDMI.
  2. Connect the short USB cable from Pulse-Eight adapter to the Mac USB.

For dual or triple screens

  1. Connect a Thunderbolt adapter to the Mac Thunderbolt port.
  2. Connect the TB adapter's HDMI to the short HDMI cable and to the Lindy Adapter.
  3. Connect the Lindy Adapter to the Pulse-Eight adapter, HDMI cable to the TV HDMI.
  4. Connect the short USB cable from Pulse-Eight adapter to the Mac USB.

For multiple screens with DA

  1. Connect a Thunderbolt adapter to the Mac Thunderbolt port.
  2. Connect the TB adapter's to the DA.
  3. Connect the short HDMI cable from the DA to Lindy Adapter.
  4. Then connect the Lindy Adapter to the Pulse 8 adapter, HDMI cable to the TV HDMI.
    Note: You can extend the last leg of the HDMI cable using HDMI CEC over CAT extender.
  5. Connect the short USB cable from Pulse 8 adapter to the Mac USB.
    Note: For additional USB ports, use Anker USB hub

To test the CEC Control, see Turning TV on and off.

Powering connected CEC TVs on or off

  1. Tap Settings on the Controller.
  2. Tap Display Screen, CEC.
    This setting shows the number of CEC-enabled TVs that were configured for the room.