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Section 23
First up read the GT-3 user's manual pages 26-29, or pages
24-27 of the GT-5 owners manual (which will probably
confuse) and then the Unofficial GT-3 Owners Manual
Supplement (well worth a read even if you own a GT-5), in
particular pages 13-18, 28 and 34-36. Both contain some
good stuff on the EXP PEDAL, CTL PEDAL and control
assigns available from under the PEDAL/ASSIGN button.
What I am not going to do here is provide another re-
iteration of what they do or basic settings. Instead I am
going to look at the technical aspects of the control assigns,
internal pedal, and wave pedal which AREN'T described in
these other references. Also, Mathias Miller produced a
good section (pages 34-36 Using the GT-3 to Breathe Life
Into Your Guitar) in the supplement on these and therefore I
don't feel the need to fire your imagination here. However,
later on we will be looking at using the control assigns to
produce dynamic volume changes.
Common Questions
Right then, assuming you have read the above, let's
examine some questions that aren't answered in these
references.
What is the manual twittering on about with its funny
ON/Off diagrams on pages 28 & 29 of the official GT-3
manual or pages 26 & 27 of the GT-5 manual?
Yeah. This is really unclear. What has caused the
confusion is the odd diagrams used to explain
changing a two position parameter # such as
on/off, or one value or another. Let's say that we
have minimum and maximum positions for a
controller. At *half way* the value will toggle. So
let's say min = off and max = on, here at half way
between the two the value will switch. Now, the
active range determines these minimum and
maximum positions but in all cases the switch over
is half way between the two. If the target values are
not on/off, then the source mode must be in toggle
to provide this switchover functionality.
What affect does toggle mode have with expression
pedals?
Using toggle in conjunction with an expression
pedal it effectively turns it into a latching pedal;
therefore requiring two presses to activate and
deactivate.
When using on/off parameters with the expression
pedal, it swaps over half way. Although you would
think that it is possible to produce a similar result
when using effect parameter values that are
numbers and making the mode toggle, you can't.
This is because the toggle makes it latching and
this messes up the whole thing, as the return of the
© Copyright 2000-2002 Barry S. Pearce et al.
Control Assigns
pedal does not trigger the reverse toggling of the
parameters.
To avoid this problem set the control assign active
range to cover two specific points i.e. 63-64 and
then provide the min/max for the values you wish
to have toggled.
This applies equally to the wave pedal but not to
the internal pedal as the internal pedal never
returns as such.
What is the effect of active range on expression or control
pedals?
The parameter will only be affected whilst the
controller is within the active range. Here the
bottom of the active range will be the min target
value and the top of the active range relates to the
max target value. If the mode is set to toggle, the
switchover will occur at the halfway point between
the top of the active range and the bottom of the
active range.
If multiple control assigns are set for one source what
order are they executed in if they are triggered together?
As you should not be using two control assigns
triggering at the same point to operate the same
value this should not be an issue. This is because
two assigns operating different values do not have
any form of execution dependency. Indeed, if you
try to get two control assigns to change the same
value the unit gets confused and appears to get
stuck at the last assigns maximum. You can
probably safely assume from this that the assigns
are evaluated in the order they are presented EXP,
CTL, Assign #1-8.
It must be noted that it is NOT possible to alter the settings
of any control assign (including on/off) from another
control assign. This is unfortunate, as with this functionality
it would have been possible to create a patch where the
expression pedal controlled the FV, for most of its range
and then when fully depressed switched to a WAH and then
when fully depressed again became was restored to
controlling FV. This is effectively combing two different
pedal uses in such a way that we could access both. Such
functionality would also allow us to alter the wave pedal's
rate dynamically. Oh well. Ho hum.
100
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