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In this article, you will find methods to control screens with each device type and more.

Common way

The easiest solution if you simply use a smart plug or timer switch for powering the screen of the media player, or/and the media player. This will simply switch on or off the power as you manually set it up.

There are many analog and digital versions of these smart plugs.


Android

Starting with the Wallboard application version 3.0, setting working hours will be available on Android devices. Devices with CEC support will be able to turn off the capable screen, and also puts the device into a sleep state. Devices without CEC support will also be able to go into a sleep state without affecting the screen.

For CEC, you have to use the right HDMI cable and a display that can react to CEC messages.


Brightsign

BrightSign can communicate over HDMI CEC (https://en.wikipedia.org/wiki/Consumer_Electronics_Control) and send a CEC signal when the content wants to switch the screen on or off.

For this, you have to use the right HDMI cable and a display that can react to CEC messages.

Since the CEC messages can be different producer by producer, by default Wallboard sends out 0x40; 0x0d codes for the display ON, and 0x40; 0x36 codes for the OFF message. For custom commands please check https://www.cec-o-matic.com/

On Brightsign you can use these codes from custom scripts, or you can use Triggers from content.
Example script for turn off screen:

var cec_control = new BSCECTransmitter();
var buffer = new Uint8Array(2);
buffer[ 0 ] = 0x40;
buffer[ 1 ] = 0x0D;
cec_control.SendRawMessage(buffer);


Samsung

The SoC application of Samsung can control the display internally and in both cases, you can set it up day by day when it needs to switch on and off.

You can find examples in the following article, under the Set working hours section.
https://wallboard.info/knowledge-base/user-commands-for-samsung-ssp/


LG

The SoC application of LG can control the display internally and in both cases, you can set it up day by day when it needs to switch on and off.

You can find examples in the following article, under the Set working hours section.
https://wallboard.info/knowledge-base/user-commands-for-lgwebos/


Windows

On Windows devices, currently, there is no option to turn off the screen, or the device.


Trigger Screen On/Off with Content

Currently, Samsung and LG screens and Brightsign devices with CEC screens can be controlled through content with events.
You can easily set up Sensor events, Page change events, Time-based events, Datasource events, and Widget interaction events to trigger the Screen On or Screen Off action.