Getting Started 1 - 11
Touch an application in the Battery Use screen to display details about its power consumption. Different
applications display different information. Some applications include buttons that open screens with settings to
adjust power use.
Low Battery Notification
When the battery charge drops below 20%, the ET1 displays a notice to connect the ET1 to power.
Figure 1-11
Low Battery Notification
The user should replace the battery or charge the ET1 using one of the charging accessories.
When the battery charge drops below 10%, the ET1 goes into critical suspend mode to save data. The screen
turns off. If the Power button is pressed, the Charge LED flashes yellow.
The user must replace the battery or charge the ET1 using one of the charging accessories to retain data.
Battery Optimization
Observe the following battery saving tips:
•
Leave the ET1 connected to AC power at all times when not in use.
•
Set the screen to turn off after a short period of non-use.
•
Reduce the screen brightness.
•
Turn off all wireless radios when not in use. Note that the global positioning system (GPS) receiver is
only turned on GPS application is using GPS.
•
Turn off automatic syncing for Email, Calendar, Contacts, and other applications.
•
Use the Power Control widget to check and control the status of radios, the screen brightness, and
syncing.
•
Minimize use of applications that keep the ET1 from suspending, for example, music, GPS and video
applications.
Changing the Screen Timeout Setting
To set the ET1 to turn off after a short period of non-use:
1. Touch > Settings > Display > Screen timeout.
2. Select a value from the Screen timeout window. Options: 15 seconds, 30 seconds, 1 minute, 2
minutes, 10 minutes or 30 minutes.
3. Touch .
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