Dell 858-BBBE, E2014T manual 14  About Your Monitor

VESA	Horizontal	Vertical	Video	Power Indicator	Power Consumption
Modes	Sync	Sync
Normal	Active	Active	Active	White	16 W (typical)
operation					40 W (maximum)
Active-off	Inactive	Inactive	Blank	Brething white	Less than 0.5 W
mode
Switch off	-	-	-	Off	Less than 0.5 W

NOTE: This monitor is ENERGY STAR®-compliant.

NOTE: Zero power consumption in OFF mode can only be achieved by disconnecting the power cable from the monitor.

The OSD functions only in the normal operation mode. If you press any button is pressed in Active-off mode, the following message is displayed:

14        About Your Monitor