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Chapter 2: Getting Started
Power Properties
18
Psion Teklogix NETBOOK PRO Win CE 4.2 User Manual
2.5.1.3 Power Saving Schemes
The Power Schemes tab specifies the settings for the two ‘power schemes’ named
On AC Power, and On Battery Power. These power schemes group settings to be
used when the NETBOOK PRO is running on battery power or when it is connected
to external power.
Figure 2.4 Power Properties: Schemes
Note: The Power Properties Schemes settings are cumulative—that is, to deter-
mine when the NETBOOK PRO enters ‘Suspend’ state, the unit waits for
the ‘Switch to Dim’ time to elapse, followed by the ‘Switch to Stand-By’
time, and then, once the ‘Switch to Suspend’ time has elapsed, ‘Suspend’
state is activated.
When setting the Switch to Dim, Switch to Stand-By, and Switch to Suspend states,
keep the following in mind. Because the NETBOOK PRO ‘wakes up’ from the Dim
and Stand-By states almost instantaneously following any user input (button press,
screen tap), the timeouts you set will not slow user activity. The sum of the Switch to
Dim, Switch to Stand-By, and Switch to Suspend timeouts should be selected
carefully since the NETBOOK PRO will go to sleep (appear off) when this time has
elapsed, saving battery power.
Psion Teklogix recommends starting with a total of 10 minutes for this overall
timeout. Setting any of these timeouts to Never does not affect the other timeout
options, but will adversely affect the battery run time. If all three timeouts are set to
Never, the NETBOOK PRO will remain on. To further reduce power consumption,
carefully consider the duration of time that the display backlight is ON or turned up
(see “Backlight Properties” on page 30).