32 Hewlett-Packard Jornada 420 Palm-size PC

HP settings allows you to adjust brightness, contrast, and volume by using the Action button. Hold the Start button to open HP settings, and use the Action button to cycle the profiles and to select the preferred one.

Settings tab

The HP Jornada has four preset HP settings profiles. You can launch any profile by selecting the radio button associated with it. You can also adjust any of the settings in any profile to suit your preference.