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

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, LG or Sharp 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

To power on/off all connected CEC TVs in a Zoom Room:

  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.

Setting LG Display to CEC (Newer Models)

To turn CEC on:

  1. Press Home on the LG remote.
  2. Click the Settings icon in the top right corner of the LG Display.
  3. Click the All Settings () icon in the lower right corner of the LG Display.
  4. Click General.
  6. Toggle the feature to on.
  7. Close the menus by pressing the back button on the remote twice.
  8. Power the display off for one minute and then restart.

Setting LG Commercial TV to CEC (Older Models)

To turn CEC on:

  1. Press and hold the menu button for 5 seconds (Menu will popup and disappear).
  2. Within 5 seconds press 1105 and then Enter.
  3. From pop up menu navigate to HCEC and then Enter.
  4. Switch from Default to HCEC.
  5. Select Enter and then exit the menu.
  6. CEC works on both HDMI 1 (rear facing) and HDMI 2 (side facing).
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