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You are now in the Braille System's main menu, which allows you to activate its various
functions.
Should you receive a message beginning with the words 'FER:', 'Warning', or 'WRN:'
instead of the firmware mode start up string shown above, then the Braille System's
software has become corrupted. You will find detailed information and trouble-shooting tips
in the sections on firmware updates and error messages.
Now, before you can finally get started, we would like to familiarize you with some of the
basic concepts pertaining to your Braille System.
3.3 Basic Operation
3.3.1 Operating Modes of the Braille System
As already mentioned, the Braille System has two operating modes: in one, the so-called
EPROM mode, it can only be used as a Braille display and accept new firmware. In the
other operating mode, the firmware mode, all of the Braille System's functions are
available to you.
Switching between the two modes can be effected during the start up sequence as follows:
If you hold down [6] briefly, you will switch into firmware mode. You can recognize
firmware mode because you will immediately hear a very high beep, followed by the
lower readiness tone. The device displays an "F" in front of the version number.
If you hold down [8] briefly, you will switch into EPROM mode. You will hear only the
readiness tone, and the display will show "E" in front of the version number.
If you start up the Braille System without pressing any keys, it will start up in the previous
operating mode.
Note:
In order to download new firmware (Hex files), the Braille System must be in EPROM
mode, whereas it must be in firmware mode for loading text files.
Please note that you cannot begin work on your Braille System until the readiness tone
has sounded.
3.3.2 Backup
Before you turn off your Braille System, you should close the Editor and save all data, as
there is no automatic data backup when shutting down the unit.
3.3.3 Chords
The Braille System's keyboard is very easy to use. The keystroke functions are not
activated until the key is released. If a character is composed by several keys, it will be
created after releasing all keys.
In order to make functions available to you who require their own function keys on
standard keyboards, while also providing efficiency of operation, we have introduced the
so-called chord functions. Chords are letters or Braille dots that are used in combination
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