Power Management Modes - Dell UltraSharp UP3221Q User Manual

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 Standby 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.
VESA Horizontal
Modes
Normal Active
operation
Standby Inactive
mode
Switch off -
Power Consumption P
Total Energy Consumption (TEC)
* Zero power consumption in OFF mode can only be achieved by disconnecting the
main cable from the monitor.
** Maximum power consumption with max luminance, and USB active.
This document is informational only and reflects laboratory performance. Your
product may perform differently, depending on the software, components and
peripherals you ordered and shall have no obligation to update such information.
Accordingly, the customer should not rely upon this information in making decisions
about electrical tolerances or otherwise. No warranty as to accuracy or
completeness is expressed or implied.
NOTE: 
P : Power consumption of On Mode measured with reference to
on
Energy Star test method.
TEC: Total energy consumption in kWh measured with reference to
Energy Star test method.
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22 About Your Monitor
Vertical
Sync Sync
Active
Inactive
-
on
Video Power
Indicator
Active White
Blanked White
(blinking)
- Off
39 W
138.37 kWh
Power
Consumption
380 W
(maximum)**
70 W (typical)
Less than 0.5 W
Less than 0.3 W