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arrayed at the top and bottom of the amp's front panel. One button switches between
the top and bottom channels (
while the other activates
onboard channel switching facility, is disabled when you plug a footswitch into this
jack. The MIDI In port (44) and the Z-9 Port (47) are both disabled when a plug is
connected to this jack.
A footswitch may be equipped with LEDs indicating the given switching
Note also:
status. Each of the two switches is provided with 15 milliamperes current, which
suffices to power a standard LED. The stereo jack plug's mono contact (tip) controls up
and down channel selection (
(ring) controls
CH1 < > CH3
see Pin Assignments on page 35.
49 Threshold Level
Use this knob to set a threshold value (that is, the noise level) at which the
activates to suppress the signal. The further you twist the knob to the right, the higher
the signal level at which the
deactivated as required for
panel button (17).
A tip from the designer:
The Low and High Gain options generate different levels of noise, and I tuned the
ENGL INVADER's Noise Gate accordingly. However, there is some minor matching
variance between the two.
suggest that you tweak its two knobs for this mode. S
50 FX Loop I Send
Connect this FX Loop I output to a signal processor's input/return jack using the
shortest possible shielded cord equipped with 1/4" plugs. Activate and deactivate it via
the FX Loop I/II (16) button, which switches between these two loops. In the signal
path,
FX Loop I
is located post preamp and pre the two power amp Master knobs.
51 FX Loop I Return
Connect this FX Loop I input to a signal processor's output/send jack using the shortest
possible shielded cord equipped with 1/4" plugs. Activate and deactivate it via the FX
Loop I/II (16) button, which switches between these two loops. In the signal path,
Loop I
is located post preamp and pre the two power amp Master knobs.
52 Balance
FX mix control for
through with no processed signal (0% wet balance) added to the mix. Twist the knob
clockwise to blend in the processed signal (parallel/passive, wet balance 1-99%,
depending on knob position). When the knob arrives at the Effect position, only the
wet signal (that is, the processed signal generated by the connected effect device) is
patched to the power amp (serial, 100% wet).
Set this knob to
NOTE:
22
Channel 1
Channel 1
CH1 < > CH2
and
CH2 < > CH4
Noise Gate
Channel 2 Channel 3
High Gain
FX Loop I
. When the knob is set to
Dry
when this loop is not in use!
and
Channel 2
or
Channel 3
and
and
CH3 < > CH4
channel selection. For details on wiring,
kicks in. The
Noise Gate
,
and
stands to benefit most from the Noise Gate, so I
ee page 26 for more information.
or
Channel 3
and
Channel 2
or
Channel 4
), while the other contact
can be activated and
Channel 4
by pushing the front
Dry
, the amp signal is routed
Channel 4
),
. The
Noise Gate
FX
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