System maintenance and user supportAcer d100 Portable Navigator 57To recalibrate the screen:3. Tap on the Main Menu panel.4. Tap on the System panel.5. Tap Calibration on the System Info screen.6. Tap the center of the black dot as it moves around the screen.7. Tap to apply the changes made.Resetting the Acer d100 seriesYou may have to perform a reset if the device freezes (i.e., device no longerresponds to the buttons on the screen). A soft reset allows your device to geta fresh start, similar to rebooting a computer. This will restart your device andadjust memory allocation. All records and entries are retained after a softreset. GPS settings are also retained.To perform a soft reset:• Hold the device securely, then press the soft reset button on thebottom of your device.
