Clear-Com V12PDDXY - Manual (Page 38)

4.17.6 Rotary panel Reply key GPI operation
Connecting a footswitch (or other type of switch) to GPI 3, which is preassigned to the Reply
key, the panel will not clear the item that is currently being viewed on the reply stack when
you release the switch.
For more details, see gOpto-Isolated Inputs and your ECS / EHX documentation.
Tip: For an audio block diagram for V-Series panels, see [figure cross-ref].The diagram
shows all the allowed audio routes and valid crosspoints allowed by V-Series panels. Some
of the audio paths shown by the diagram are only available with the audio mixer function in
ECS / EHX.
38 V-Series Panels User Guide