Dell P2011Ht appendix Power Management Modes, Altitude, Thermal dissipation

Non-operating

Altitude

Storage: 5% to 90% (non-condensing)

Shipping: 5% to 90% (non-condensing)

Operating	4,850 m (15,902 ft) max
Non-operating	12,192 m (40,000 ft) max
Thermal dissipation	153.65 BTU/hour (maximum)
	85.36 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. referred to as Power Save Mode*. If the computer detects input from 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:

VESA Modes	Horizontal Sync	Vertical Sync	Video	Power Indicator	Power Consumption
Normal operation	Active	Active	Active	Blue	20 W (typical)/45 W (maximum)**
Active-off mode	Inactive	Inactive	Blanked	Amber (Breathing)	Less than 0.5 W
Switch off	-	-	-	Off	Less than 0.5 W

The OSD will only function in the normal operation mode. When any button is pressed in Active-off mode, the following message will be displayed: