User's Manual

Table Of Contents
Chapter 5: Configuration
Power Management Properties
120 Psion Teklogix 7545 Hand-Held Computer User Manual
data stored on the computer. Once the 7545 shuts down, it cannot be switched on until a
fresh battery is installed, or the unit is inserted in a docking station or cradle.
•Slide the Suspend Threshold button to the right to increase the battery capacity
reserved for backup purposes. Data will be preserved to a maximum of 124 hours.
•Slide the Suspend Threshold button to the left to decrease the power reserved for
backup purposes; this increases the 7545 operating time—the amount of time the unit
will operate before shutting down—but reduces the power reserved for backup purposes
to a minimum of 24 hours.
Internal super-capacitors will protect the data stored in the 7545 while the battery is
swapped for a fully charged one.
5.6.7.4 Calibrate
Tapping in the checkbox next to Allow Battery Calibration allows the battery to be recali-
brated only when necessary if the unit is inserted in a Combo Docking station.
Important: Once the battery is removed, the super-capacitors will preserve the data
stored on the 7545 for approximately 5 minutes. It is critical that you install
a charged battery before this time elapses.
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