The size of the custom echo data in bytes.

The echo data is being displayed in ASCII.

Click here to convert the echo data to ASCII.

The echo data is being displayed in hexadecimal.

Click here to convert the echo data to hexadecimal.

Enter the echo data here.  If the “Hexadecimal” button is checked, you can only type the digits 0-9 and A-F.

Press this button to dismiss the dialog without changing the current probe.

Press this button to accept the custom echo data and switch to the custom echo probe.