EXFO FTB-860 - Page 50

Graphical User Interface Overview
38 FTB-700G/800 Series
Keyboard Usage
For multiplexing keyboard, tap on all mapped signals that have to be
added/removed to/from the test path.
A mapped signal with an orange background color is part of the test
path.
A mapped signal with a gray background color is not part of the test
path.