Dell 4691622 manual Power Management Modes, Humidity, Altitude, P2212H, Thermal dissipation P2312H

Operating	0 °C to 40 °C
Non-operating	Storage: -20 °C to 60 °C (-4 °F to 140 °F)
	Shipping: -20 °C to 60 °C (-4 °F to 140 °F)
Humidity
Operating	10% to 80% (non-condensing)
Non-operating	Storage: 5% to 90% (non-condensing)
	Shipping: 5% to 90% (non-condensing)
Altitude
Operating	3,048 m (10,000 ft) max
Non-operating	10,688 m (35,000 ft) max
	P2212H:
	153.55 BTU/hour (maximum)
	71.65 BTU/hour (typical)
Thermal dissipation	P2312H
	170.61 BTU/hour (maximum)
	85.30 BTU/hour (typical)

Power Management Modes

If you have VESA's DPM™ compliance display card or software installed in your PC, the monitor can automatically reduce its power consumption when not in use. This is referred to as Power Save Mode*. If the computer detects input from the keyboard, mouse, or other input devices, the monitor automatically resumes functioning. The following table shows the power consumption and signaling of this automatic power saving feature:

P2212H
VESA Modes	Horizontal Sync	Vertical Sync	Video	Power Indicator	Power Consumption
Normal operation	Active	Active	Active	Blue	50	W (maximum) **
					21	W (typical)
Active-off mode	Inactive	Inactive	Blanked	Amber	Less than 0.1 W
Switch off	-	-	-	Off	Less than 0.1 W
P2312H
VESA Modes	Horizontal Sync	Vertical Sync	Video	Power Indicator	Power Consumption
Normal operation	Active	Active	Active	Blue	50	W (maximum) **
					25	W (typical)
Active-off mode	Inactive	Inactive	Blanked	Amber	Less than 0.1 W
Switch off	-	-	-	Off	Less than 0.1 W

The OSD functions only in the normal operation mode. When any button is pressed in the Active-off mode, one of the following messages will be displayed: