Gentec SC0501 User Manual page 13

Compact Scaler Switcher (with PoC)
LINE input
LINE input has a low frequency characteristics, and wide frequency response.
When switch to "LINE", the microphone input is used for connecting with line audio or
wireless microphone output. There are two different connection methods:
1) Unbalanced connection:
"+" and " " connect to ground, and "-" connects to signal.
"-" and " " connect to ground, and "+" connects to signal.
2) Balanced connection: "+" connects to positive, "-" connects to negative and " "
connects to ground.
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