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Ok, you have got to this point and you are now in the position to successfully operate
your APM Series. However , we advise you to read carefully the following section to be
the real master of your own powered mixer . Not paying attention enough to the input
signal level, to the routing of the signal and the assignment of the signal will result in
unwanted distortion, a corrupted signal or no sound at all. So you should follow this
procedure for every single channel:
1. Turn down all Input and output gain controls.
2. Connect phantom powered microphones before switching on the +48Volt phantom
power switch.
3. Set the output level of your APM Series or the connected power amplifier at no more
than 75%.
4. Position EQ controls on middle position.
5. Position panoramic (PAN) control on center position.
6. Increase the input gain properly for maintaining the good headroom and ideal dynamic
range.
7. Depending on the actual application, turn slowly the input and output level controls
for obtaining the maximum gain before distortion.
8. Now repeat the same sequence for all input channels. The main LED meter could
move up into the red section. In this case you can adjust the overall output level
through the main mix control.
Audio Connections
Y ou can connect unbalanced equipment to balanced inputs and outputs. Simply follow
these schematics.
Strain Clamp
Strain Clamp
5. INSTALLATION AND CONNECTION
Tip
Sleeve
Ring
Use for Headphone
1/4" Stereo (TRS) Jack Plug
Tip
Sleeve
Use for Mono Line In, Mono 1/4"Jack Plugs
1/4" Mono (TS) Jack Plug
Ring=Right Signal
Sleeve=Ground/Screen
Sleeve=Ground/Screen
Tip=Left Signal
Tip=Signal
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