Handy Tech actilino User Manual
Also see for actilino: Short Reference
                                                                                                                | |
Contents
| 
ActilinoExternal KeyboardPage 766 External KeyboardAn external keyboard may be connected directly to the Actilino. Keyboards of any make ormodel may be used, provided they comply with the following requirements:• USB connection• low current consumption (recommended 30 mA with LEDs turned off)The external keyboard transmits your key strokes to the Actilino in the same way as theinternal Braille keyboard. You can therefore operate both an external and the internalkeyboard in parallel. Please refer to chapter "Installation" for the procedure for connectingan external keyboard.Please remember that all the information in this section applies only to an external keyboard,not to the built-in Braille keyboard.6.1 GeneralAny keyboard transmits encoded data indicating which key has been pressed or released.These data do not in themselves contain any information about what this key stroke means,i.e. which character it should generate. That information is assigned by the so-calledkeyboard driver and depends on the desired language. This means, for example, that if aU.S. English keyboard layout has been selected, the character ":" is realized by pressing"Shift ö" on a German keyboard.Depending on the language (which means on the keyboard layout currently in force), theActilino's keyboard driver needs further information on how it is to implement the encodedkey stroke information. Therefore, a table for assigning key strokes to characters must bepresent in the Actilino, the keyboard layout table.The Actilino already contains a fixed, programmed keyboard layout table for a Germankeyboard as well as downloadable keyboard layout tables for the languages that can bechosen in the menu. The keyboard layout tables for the different languages are named afterthe following scheme: "Language_KBDLYOUT.hsf". The internal keyboard layout table isalways activated when no downloadable keyboard layout is found. This is the case, forexample, when no files at all are stored on the media after the Actilino has been reformatted.When the Actilino is turned on, it checks whether the downloadable table is available for thechosen language. If not, it generates the warning message:'WRN: KBD layout not found. Using standard layout. 'and switches automatically to the default internal table. The warning is even generated whenno external keyboard is connected to the Actilino because in this case it is still possible toattach the keyboard later. You can also change or create the files with the keyboard layouttables by yourself and transfer them to the Actilino afterwards.6.2 Keyboard KeysIn this section, you will find comments on some characteristics of using an externalkeyboard. They are generally caused by the fact that there are keys on a keyboard thatmake no sense when used in conjunction with the Actilino. |
Related manuals for Handy Tech actilino
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine