User manual
Compact Scaler Switcher (with PoC)
PTN Electronics Limited 7 www.PTN-electronics.com
2) Balanced connection: “+” connects to positive, “-” connects to negative and “ ”
connects to ground.
LINE input
When switch to “LINE” (It has a low frequency characteristics, and wide frequency
response in this mode), the microphone input is used for connecting with line audio or
wireless microphone output. There are two different connections:
Unbalanced connection:
“+” and “ ” connect to ground, and “-” connects to signal.
“-” and “ ” connect to ground, and “+” connects to signal.
b) Balanced connection: “+” connects to positive, “-” connects to negative and “ ”
connects to ground.