HelixNet | User Guide
I/O type Description
Opto inputs Opto inputs enable you to connect a foot switch or other control
device and use it to trigger Call or Talk functions.
There is also an option to open the mic. You can use this option
to talk, hands-free to one or more pre-latched channels.
Relay outputs Relay outputs enable you to use Call or Talk keys to trigger any
external device that accepts a standard contact closure (such
as a theater curtain or an On Air light, or the beltpack USB
flasher).
5.5.1 Configuring Opto Inputs
To configure the Control I/O for Opto inputs:
1. In Menu mode, select Control I/O.
2. From the second menu, select Inputs.
3. From the third menu, select one of the following:
l Opto 1
l Opto 2
l Opto 3
l Opto 4
4. From the fourth menu (fourth display screen), select one of the following:
l None
l Call Key 1
l Talk Key 1
l Call Key 2
l Talk Key 2
l Call Key 3
l Talk Key 3
l Call Key 4
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