Chapter 4
Power System
27
Extending Battery Life
You can extend the MR650 battery life by doing either of the following:
•
Changing the automatic power settings
•
Reducing CPU speed
•
Minimizing the use of backlight
Changing the Automatic Power Settings
The MR650 enters idle mode when there is no task, or all tasks are waiting for input. In the default set-
ting, the MR650 enters User Idle mode when there is no user input after one minute. The remains idle
for 3 minutes and when there is no external charging power connected. Pressing the power button
returns the MR650 to the previous screen at the time of automatic shutdown.
To change the automatic power settings:
1.
Open the Power Properties by tapping
→
Settings
→
Control Panel
→
Power
.
2.
Tap the
Schemes
tab.
3.
Tap the automatic shut off time arrow to select from
a list of time periods for the following modes:
–
User Idle:
the MR650 switches to User Idle mode
when there is no user input after the selected
time.
–
Switch state to System Idle:
the MR650
switches to from User Idle mode to System Idle
mode when the system is inactive after the
selected time.
–
Switch state to Suspend:
the MR650 switches
from System Idle mode to Suspend mode when
the system is inactive after the selected time.
The available time periods are 1, 2, 3, 4, 5, 10, 30
minutes and Never.
Reducing CPU Speed
Follow these instructions to reduce the CPU speed.
1.
Tap
→
Settings
→
Control Panel
→
CPU
Speed
:
2.
Select a lower CPU speed to conserve battery power
