The Display-Off function deactivates transmission of image to the display by minimizing its brightness. This prevents accidental disclosure. The device keeps running.
When the device is on, hold down the ON/OFF (1) button. Display goes out, message "Display off" appears.
To activate the display, press briefly the ON/OFF (1) button.
When you press and hold the ON/OFF (1) button, the display shows the message "Display off" with a countdown. Pressing & holding the button down for the duration of the countdown will power the device off completely.