HP 6720s HP Notebook PC - Getting Started - Vista - Enhanced for Accessibility - Page 47

or transport the computer in extreme environments.

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B Operating environment and input power Operating environment The operating environment information in the following table may be helpful if you plan to use or transport the computer in extreme environments. Factor Metric U.S. Temperature Operating (not writing to optical 0°C to 35°C disc) Operating (writing to optical disc) 5°C to 35°C Nonoperating -20°C to 60°C Relative humidity (noncondensing) 32°F to 95°F 41°F to 95°F -4°F to 140°F Operating 10% to 90% 10% to 90% Nonoperating 5% to 95% 5% to 95% Maximum altitude (unpressurized) Operating (14.7 to 10.1 psia*) -15 m to 3,048 m -50 ft to 10,000 ft Nonoperating (14.7 to 4.4 psia*) -15 m to 12,192 m -50 ft to 40,000 ft *Pounds per square inch absolute (psia) is a unit of measurement for altitude. Operating environment 41

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B
Operating environment and input power
Operating environment
The operating environment information in the following table may be helpful if you plan to use
or transport the computer in extreme environments.
Factor
Metric
U.S.
Temperature
Operating (not writing to optical
0°C to 35°C
32°F to 95°F
disc)
Operating (writing to optical disc)
5°C to 35°C
41°F to 95°F
Nonoperating
-20°C to 60°C
-4°F to 140°F
Relative humidity (noncondensing)
Operating
10% to 90%
10% to 90%
Nonoperating
5% to 95%
5% to 95%
Maximum altitude (unpressurized)
Operating (14.7 to 10.1 psia*)
-15 m to 3,048 m
-50 ft to 10,000 ft
Nonoperating (14.7 to 4.4 psia*)
-15 m to 12,192 m
-50 ft to 40,000 ft
*Pounds per square inch absolute (psia) is a unit of measurement for altitude.
Operating environment
41