13.0 GUIDED PROBE 13.1 The primary purpose of the guided probe is to verify fixture probe contact continuity from a node on the UUT, through the test fixture, and down to the appropriate interface pin on the testhead. 13.2 To invoke the guided probe from a BT-BASIC window, click the mouse on the “Stop” softkey or the “Stop” button on the operator keypad window. 13.3 At the BT-BASIC command line, type find pins . This will clear the working area of the BT-BASIC window. Only two softkeys “Start”, F1 and “Done”, F8 will be now be displayed. The following message will appear: Place the guided probe on the pin to ….. 13...