On some devices from CASIO, functions keys are mapped to special functionality in order to provide easy navigation. This sample application remaps hardware keys F1 to F8 and assigns key codes "F1" to "F8". As a result, functions keys can be used as they are labeled, e.g. for terminal emulation.
App to map Function Keys to F1 - F8 (Windows Embedded CE)
Scanner, Start-Screen and WLAN can be configured via files. Further information can be found in the Software Manual.
Laser Scanner (only 10-models)
Imager (only 30-models)
WLAN (only R-models)
If the device is switched on and you cannot see anything on the screen, the backlight of the screen migth be switched off. You can switch the backlight on by using special key combination. Try to press either [Fn] +  for one time or [Fn] +  repeatedly.