Availability:
     Level 5    , 'U'

  Quick Help:
     Enable / Disable Servo Updates, U[VcmDacUpdateOpt],[AToDUdateOpt]

  Description:
    This command enables or disables servo VCM DAC and / or A to D updates.

  Input Parameters:

    0 - Disable / Enable VCM DAC Updates.
    
        If this parameter is equal to 0, servo updates of the VCM DAC will be disabled,
        else servo updates of the VCM DAC will be enabled.
    
          Type:    Unsigned 8-bit value
    
          Range:   0 to 0xFF
    
          Default: 1
    
    1 - Disable / Enable A to D Updates.
    
        If this parameter is equal to 0, servo A to D updates will be disabled, else
        servo A to D updates will be enabled.
    
          Type:    Unsigned 8-bit value
    
          Range:   0 to 0xFF
    
          Default: 1
    
  Output Data:


    If an error occurred, the following information will be displayed.
    
          "DiagError aaaaaaaa"
    
       where
    
          aaaaaaaa is the Diagnostic Error Code
    
    If no error occurred, the Servo Updates status will be displayed as follows.
    
          "Servo VCM DAC Updates xxxxxxxx"
          "Servo A to D Updates yyyyyyyy"
    
       where
    
          xxxxxxxx or yyyyyyyy may be either "enabled" or "disabled".
    
  Revision History:

    0001.0000   Initial revision.
    0011.0000   Combined the PSG Diagnostic Error Codes (PSGDEC) and the Diagnostic External
                Test Service Error Codes (DETSEC) into a single set of Diagnostic Error Codes
                (DiagError).