Installation of the DHA Extension
The DHA Extension is enabled by the appropriate user code, entered during the installation or later by using the Help - User Code… command from the Clarity main window.
Caution:
DHA mode is available only on Clarity GC Instrument type.
To switch an Instrument to the DHA MODE, select the GC-DHA option from the Instrument Type Setting dialog, which is invoked by clicking on the 
button in the System Configuration dialog.
