• DAC: If the WriteMask bit 2 is set, the values passed become the default values,
meaning they are written to flash and used at reset. Regardless of the mask bit, this
function has no effect on the current settings. The return values of these parameters are
a read of the power-up defaults.
• FirmwareVersion: Fixed parameter specifies the version number of the main firmware.
A firmware upgrade will generally cause this parameter to change. The lower byte is the
integer portion of the version and the higher byte is the fractional portion of the version.
• BootloaderVersion: Fixed parameter specifies the version number of the bootloader.
The lower byte is the integer portion of the version and the higher byte is the fractional
portion of the version.
• HardwareVersion: Fixed parameter specifies the version number of the hardware. The
lower byte is the integer portion of the version and the higher byte is the fractional
portion of the version.
• SerialNumber: Fixed parameter that is unique for every LabJack.
• ProductID: (3) Fixed parameter identifies this LabJack as a U3.
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