Hypertherm HTA Rev 6.00 Install Guide - Manual (Page 25)

Section 3: Diagnostics 13
Expaned I/O
For controls equpped with more than 64 I/O a series of selection softkeys are avialable to access the
required Inputs. Ouputs and Analog I/O.
Note: The optional USB Front Panel I/O are not accessible form the I/O Diagnostics screen.
Functionality for the USB Front Panel may be tested through the Keyboard Diagnostics.