Eden NC200A - Manual (Page 7)

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configured as a series connection point. You can use any impedance
speaker in this jack without causing any problems for the amplifier. Best
recommendations would be for a 2 Ohm or 4 Ohm extention speaker.
Leave the internal speaker switch in the on possition when using the
extention cabinets.
INTERNAL SPEAKER ON / OFF
This switch turns off the internal loudspeaker and any extention
cabinets. Make certain that this switch is in the on position if you want to
play your unit and hear it on the internal loudspeaker.
EFFECTS LOOP
This is a line level output and return. This is the place to put your line
level effects. You can also use the Effect Send as an Aux. line level
output. The circuit breaks on the return jack.
DIRECT OUTPUT
The D.I. output is used to connect your unit to P.A. Systems and
recording consoles. The level control sets the amount of signal level that
appears at the output of the Mic. connector. The ground lift is used to
reduce noise when plugging in to another system. Switch the ground lift
back and forth to determine the lowest noise/hum position. The output
is adjustable from Mice. level to line level. This is a fully balanced output.
TUNER OUTPUT
This is the place to plug in your tuner. You can also use this jack as an
additional Aux. output. This is a line level send.
SETTING UP YOUR OWN SOUND
Start by setting the pre-amplifier tone controls to the flat position. Set the
Enhance control to Min. Set the Master volume control to (0). Plug in
your Bass and turn on your unit. Set the Gain control to around 10:00