Dell P2011H Monitor - Manual (Page 10)

Non-operating
Storage: 5% to 90% (non-condensing)
Shipping: 5% to 90% (non-condensing)
Altitude
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. This is
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:
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:
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