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10 Important Information
This section contains important safety and warranty information. Please make sure you
have read this information before starting up your Braille System.
The Braille device's selection circuitry uses a high voltage of 200 V for the operation of the
Braille modules. Danger of electric shock exists when the housing is opened or the device
is handled improperly.
10.1 Start-Up Procedures
After you turn on your Braille System, the device executes tests of certain of its
components. This section contains a description of each of these tests. If you receive any
error messages upon turning on the unit, you will find help in understanding these
messages in this section.
If you encounter problems, please make sure you review chapter 10.1.2.
10.1.1 Self check of the File System
The self check of the file system searches the entire serial flash memory. During this test,
every file is tested for completeness, whether the data are stored correctly, and whether
any two files point to the same sector (concatenation). Also, the two system sectors are
checked for contents.
This test can conclude with three different possible results, which have varying
consequences, as follows:
1. Nor error was found during the test: no measures need be taken.
2. An error not affecting the entire file system was detected: the file system issues a
warning message.
3. A fatal error was detected: it is necessary to reformat the entire flash disk.
In the case of a warning, the Braille System will output the following message on the
display: 'Warning when initializing file system, Backup recommended!'.
As soon as this message has been confirmed by pressing [ESC], a message appears
showing the version number of the file system, the identification number of the error that
was detected, and a description of the error. The display will read as follows: 'FsVersion
x.y, Error: n: t' where x.y is the version of the file system, n the number of the detected
error, and t the description of the error.
If a fatal error has occurred, your Braille System will display the following: 'Fatal: Error in
file system. Flash disk must be formatted.' Again, this message is followed by the
display of the version number of the file system, the identification number of the error, and
the error description.
Once this information has been confirmed, the Braille System will begin reformatting the
flash disk. After reformatting, the unit will restart automatically, and you must reload the
message file.
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