Quest Engineering M35 Owner's Manual page 10

M35 / M65
Installation
Connecting sound sources
Then connect the sound source to the terminal block input connectors on the back. If your console has balanced
outputs, use balanced three-conductor connections and connectors (you can use unbalanced connections, but you'll get
better sound quality and less noise if you use balanced connections).
Set all input level controls (on the front) to minimum ("-MIN"). Then connect the mains lead to an earthed mains socket.
[Figure 1.3 Connection example ]
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