Port

Connect your K144XV via a K144XV USB to Serial Adapter to your computer. Plug the 3.5mm TRS plug into the lower jack on the K144XV back panel.

Port tab image

Serial Port

Choose the serial port that is connected to your K144XV. Click the down arrow to show the list of available serial ports and then select the serial port you have connected to your K144XV. 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

Reopens the serial port and verifies that the K144XV Utility can communicate with your K144XV and determine its RS-232 speed.