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Compaq iPaq Pocket PC h3100, h3600, and h3700 Series - Preserving Battery Life

Introduction
iPAQ Pocket PCs have several power management related settings that can be adjusted by the user to customize a battery-powered profile.
Backlight brightness level
When the iPAQ is on, the backlight brightness has the most impact on battery charge of all the power management settings.
  • Super Bright mode delivers the shortest battery charge.
  • Power Save mode (no backlight, reflective screen only) delivers the longest battery charge.
  • Medium Bright is the default battery operation LCD brightness level.
  note:
Note that Super and High Bright dim down to Medium at the critical battery power warning.
Activating the Automatic feature enables the iPAQ to monitor the ambient light in the usage location and adjust the backlight brightness to match the user selected setting level. This should improve battery life for any of the LCD settings if the use of the iPAQ is in a brightly lit area for a significant amount of time.
On the color iPAQs, the Backlight Brightness Level control window can be accessed from any of the following:
  • Q menu, Backlight.
  • Q button Backlight.
  • Start, Settings, System, Backlight, Brightness.
  • From the backlight link in the Power Settings window by clicking Start, Settings, System, Power.
On the monochrome iPAQs, the Backlight can be turned ON or OFF by pressing the Q button Backlight or through Q menu Backlight. This can also be achieved by pressing and holding the power button.
Audio settings
Audio volume settings have a significant impact on battery performance. The audio settings window can be accessed from any of the following:
  • Q menu, Volume.
  • Q button, Volume.
  • Start, Settings, Sounds and Reminders.
The higher the volume level is set, the greater the impact will be on the battery.

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