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The tone signal options are provided in the form of radio buttons. One of the four possible
settings described below is always active. These signal tone settings apply only within
firmware mode. In EPROM mode strictly for Braille display, or in configuration mode, all
signal tones are turned on.
The various levels listed below apply only as of the Braille System's readiness tone. Any
errors or warnings during startup are generally of a more serious nature, and will therefore
always be indicated.
5.1.8.10.1 None (N)
The Braille System generates no sound signals, not even during file transfers or
reformatting.
5.1.8.10.2 Errors (E)
The Braille System generates a tone only if an error has occurred. In addition to internal
errors, errors could also result from operator mistakes, but these are usually not supported
by any message in Braille.
5.1.8.10.3 Warnings (W)
The Braille System generates a tone only in case of errors or warnings.
5.1.8.10.4 action Confirmations (C)
All signal sounds are turned on.
5.1.8.11 Date/time format (D)
Any settings specified here will affect the entire System, including the Editor. If you specify
the 12-hour format, the time will be displayed in the 12-hour format everywhere; otherwise
the 24-hour military time format will be used. Also, if English dates are specified, the
international convention for date (day and month reversed from German) and time will be
used.
5.1.8.12 Input indication (I)
By changing the search direction within a Braille table, it is possible to input language
specific characters using the same Braille dot combination like normal alphanumeric
characters.
For example in Arabic, dot combination 1,2,4, are used for a certain Arabic character. The
same dot combination is also used for the letter “f”. Within the Arabic Braille table using
256 characters, you find the Arabic letters above position 128. To enable to enter Arabic
characters by using a specific dot combination, it is possible to change the direction.
Braille table will be searched for the matching character instead of using the standard
forward direction that means searching from position 0 to 256. Braille table can also be
searched backwards from 256 to 0. In case of Arabic, when using the backwards search
direction, the corresponding Arabic character can be found when entering a certain Braille
dot combination. In order to change the search direction, there are the following two chord
commands:
[chord 236] activates the backwards search direction which is indicated by a low-
pitched tone.
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