Description:
    This batch file attempts to verify that the level 8 serial port diagnostic commands
    can be executed.
   
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    Clear the Expected Batch File Errors.
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    -*9                                 All Level '*' Command: Special Batch File Function - Clear Expected Errors
   
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    Enable error logging and clear the error log.
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    -/LE1                               Level L 'E' Command: Enable / Disable Logging
    -/LiFFFC                            Level L 'i' Command: Initialize Log File
   
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    Display the help information for the Level 8 commands.
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    -/CQ8                               Level C 'Q' Command: Display ASCII Command Information
   
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    Change to Command Level 8.
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    -/8                                 All Level '/' Command: Change Diagnostic Command Level
   
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    Test the spin commands.
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    -Z                                  'Z' Command: Spin Down Drive
    -U                                  'U' Command: Spin Up Drive
   
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    Test the seek commands.  Set the Test Space to single track mode before testing the
    seek commands.  This will initializes the diagnostic current and target address for
    future commands that use them.
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    -A0                                 All Level 'A' Command: Set Test Space
    -S200,0                             'S' Command: Seek to Logical Cylinder and Head
    -.                                  Online '.' Command: Display Active Status
    -R                                  'R' Command: Read Current Servo Destination
   
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    Test the Sero Diagnostic subcommands.
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    -C5                                 'C' Command: Servo Diagnostic Sub Commands - Set Seek Delay
    -C15                                'C' Command: Servo Diagnostic Sub Commands - Change Write Threshold
   
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    Display the Active Error Log and check if the Batch File failed.
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    -*B                                 All Level '*' Command: Special Batch File Function - Display Log
    -|                                  '|' Command: Batch File Terminator