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MASTER SECTION
1 GROUP FADERS
Four Group FADERS set the overall level of the Groups, allowing the combined control of a selected number of input
sources. The Groups may feed external equipment directly through the ground compensated Group output jacks, or
may be mixed together to the stereo Mix output (see below). The faders should normally be set close to the 0 mark if
the input GAIN settings have been correctly set, giving plenty of control below the mark and additional gain in hand if
required.
2 GROUPS TO MIX
Pressing this switch routes all Groups to the main stereo Mix. Groups 1 & 3 feed Mix Left and Groups 2 & 4 feed Mix
Right.
3 MIX FADER
A stereo fader controls the output level of the stereo Mix. The outputs are ground compensated 3-pole A gauge (TRS)
jacks. The Mix Left and Right signal paths have pre-fade INSERT points which provide a means of diverting the signal
to an external processing unit such as a compressor or limiter. Inserting a jack into the insert breaks the signal path and
allows the INSERT SEND (on the tip of the jack) to feed the input of the external unit and the INSERT RETURN (on the
ring of the jack) to receive the corresponding output. Note that if the tip and ring of the jack are shorted together the
signal path remains unbroken and the Insert may then be used as a way of tapping off the Mix signal before the fader.
4 2 TRACK (2TK) RETURN LEVEL
The unbalanced 2TK return jacks are an ideal place to connect the playback of a tape machine, without using up any
of the LINE inputs. This control sets the level of playback signal fed either to the MIX (when 2TK TO MIX is pressed) or
the headphones or monitor output, when 2TK is pressed. When set fully clockwise the inputs will be matched to -10dBV
sources, or will suit a +4dBu source with the LEVEL control at a lower setting. A mono source may be fed automatically
to both left and right by plugging into the Left return jack only.
The 2TK RETURN is also the best way of connecting a tape or CD player to feed pre-show music to a PA rig, since this
leaves all input settings unaltered. It can also serve as the return from an Effects unit to save using up Line Inputs.
5 2TK TO MIX
Press this switch to route the 2TK RETURN signal directly to the mix outputs. Adjust the input level with the 2TK RETURN
LEVEL control. The 2TK Return signal will now be present at the Mix outputs, at a level set by the Master Fader.
6 C/ROOM & PHONES SECTION
The rotary control sets the output level to the MONITOR LEFT & RIGHT outputs. If HEADPHONES are plugged into the
PHNS jack the Monitor outputs are cut off, and the knob then sets the headphone listening level. When the PHONES
are unplugged the Monitor output is restored.
The section may listen to a choice of sources: 2TK Return, Groups and Mix as selected on the four switches. The selected
source is also displayed on the bargraph meters.
If any PFL or AFL switch is pressed the selected signal is replaced by the appropriate PFL or AFL signal, which will also
be displayed on the right bargraph meter.
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SPIRIT FOLIO RAC PAC