Dell U2311H Monitor - Manual (Page 8)

Environmental Characteristics
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:
U2211H
U2311H
The OSD will only function in the normal operation mode. When any button is pressed in Active-off mode, one of the following messages will be displayed:
Width 514.4 mm (20.25 inches) 547.97 mm (21.57 inches)
Depth 65.00 mm (2.56 inches) 65.00 mm (2.56 inches)
Stand dimensions
Height (extended) 363.60 mm (14.31 inches) 370.47 mm (14.59 inches)
Height (compressed) 323.50 mm (12.74 inches) 331.32 mm (13.04 inches)
Width 279.90 mm (11.02 inches) 279.90 mm (11.02 inches)
Depth 184.10 mm (7.25 inches) 184.10 mm (7.25 inches)
Weight
Weight with packaging 16.85 lbs (7.65 kg) 18.14 lbs (8.23 kg)
Weight with stand assembly and cables 14.22 lbs (6.45 kg) 15.45 lbs (7.01 kg)
Weight without stand assembly
(For wall mount or VESA mount considerations -
no cables)
9.97 lbs (4.52 kg) 10.34 lbs (4.69 kg)
Weight of stand assembly 3.88 lbs (1.76 kg) 4.06 lbs (1.84 kg)
Model U2211H U2311H
Temperature
Operating 0° to 40 ° C 0° to 40 ° C
Non-operating
Storage: -20° to 60° C (-4° to 140° F)
Shipping: -20° to 60° C (-4° to 140° F) Storage: -20° to 60° C (-4° to 140° F)
Shipping: -20° to 60° C (-4° to 140° F)
Humidity
Operating 10% to 80% (non-condensing) 10% to 80% (non-condensing)
Non-operating
Storage: 5% to 90% (non-condensing)
Shipping: 5% to 90% (non-condensing) Storage: 5% to 90% (non-condensing)
Shipping: 5% to 90% (non-condensing)
Altitude
Operating 4,850 m (15,902 ft) max 4,850 m (15,902 ft) max
Non-operating 12,192 m (40,000 ft) max 12,192 m (40,000 ft) max
Thermal dissipation
187.67 BTU/hour (maximum)
75.07 BTU/hour (typical) 235.44 BTU/hour (maximum)
112.60 BTU/hour (typical)
VESA Modes Horizontal Sync Vertical Sync Video Power Indicator Power Consumption
Normal
operation Active Active Active Blue 55W (maximum) **
22W (typical)
Active-off mode Inactive Inactive Blanked Amber Less than 1.0 W
Switch off - - - Off Less than 1.0 W
VESA Modes Horizontal Sync Vertical Sync Video Power Indicator Power Consumption
Normal operationActive Active Active Blue 69W (maximum) **
33W (typical)
Active-off mode Inactive Inactive Blanked Amber Less than 1.0 W
Switch off - - - Off Less than 1.0 W