# QA Calibration

1. On the home view, go to the Tool tab and select QA Calibration on the left pane.

2. Modify the parameters on the QA Calibration window and select Apply to implement the changes.

   Parameter | Description
   --- | ---
   Enable | ON: Enables the external tool configuration option OFF: Disables the external tool configuration option.
   Virtual station | Select the ellipsis icon to connect the tool to a virtual station.
   Connection type | Connect via TCP port or Connect via COM port.
   COM port | Visible when Connection type COM port is selected. Shows a drop-down list with the available COM ports.
   TCP port | Visible when Connection type TCP port is selected. Shows the TCP port, pre-populated.