Serial Port

Choose the Computer's serial port that is connected to the K3. Click the arrow to open a list of available ports, then select the port you have connected to the K3. See Finding the appropriate serial port for a USB to Serial Adapter if you're using a USB to Serial Adapter and are not sure which port to choose.

Refresh Port List

Click to update the list of available serial ports, which may be helpful if you plug in a USB to Serial Adapter after the program has started.

Test Communications

Verifies that the K3 Utility can communicate with the K3 and determine its RS-232 bit per second setting.