The OSD will only function in the normal operation mode. When any button except power button is pressed in Active-Off mode, the following messages will be displayed:
Activate the computer and monitor to gain access to the OSD.
NOTE:
Dell E2013H/E2213H/E2313H monitor is ENERGY STAR®-
compliance.
* Zero power consumption in Off mode can only be achieved by disconnecting the main cable from the monitor.
** Maximum power consumption with max luminance and contrast.