Here, channels 2 and 3 (the two first ones) correspond directly to inputs
0 and 1, respectively. The others don't, and return -1. The effect on the
UI is that the user can right-click on the channel and configure the input
that way; in fact, this is currently the only way to configure them.
Here, channels 2 and 3 (the two first ones) correspond directly to inputs
0 and 1, respectively. The others don't, and return -1. The effect on the
UI is that the user can right-click on the channel and configure the input
that way; in fact, this is currently the only way to configure them.