Dell D2421DS Manuel de l'utilisateur - Page 18
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Environmental Characteristics
Model number
Temperature
• Operating
• Non-operating
Humidity
• Operating
• Non-operating
Altitude
• Operating
• Non-operating
Model number
Thermal dissipation
Compliant standards
Model number
RoHS Compliant
BFR/PVC free Monitor (excluding external cables) no
Power Management Modes
If you have VESA's DPM compliance display card or software installed in your PC, the
monitor automatically reduces 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:
D2421H
VESA Modes
Normal operation Active
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About Your Monitor
D2421H/D2721H/D2421DS
0°C to 50°C (32°F to 122°F)
Storage: -20°C to 60°C (-4°F to 140°F)
Shipping: -20°C to 60°C (-4°F to 140°F)
20 % to 90 % (non-condensing)
Storage: 5 % to 90 % (non-condensing)
Shipping: 5 % to 90 % (non-condensing)
5,000 m (16,404 ft) max
12,191 m (40,000 ft) max
D2421H
75.06 BTU/hour
(maximum)
68.24 BTU/hour
(typical)
Horizontal
Vertical
Sync
Sync
Active
D2721H
95.53 BTU/hour
(maximum)
85.3 BTU/hour
(typical)
D2421H/D2721H/D2421DS
yes
Video
Power
Indicator
Active
BLUE
D2421DS
119.42 BTU/hour
(maximum)
102.36 BTU/hour
(typical)
Power Consumption
22 W (maximum)**
20 W (typical)