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Mailist to discuss all issues regarding the Digitech GSP-2101 Guitar FX Processor

Index last updated: 2026-04-28 23:25 UTC

Message

Re: Internal Continuous Controller CC Calibration

2007-08-16 by john_lampson

It won't calibrate from 0 to 127.  I can either have it be 0 until 
about halfway through the travel and then it becomes 127 or I can 
have it be 0 to 127 to 0, with 127 at the middle of travel.

I'll have to open this sucker up and see if that LED is obstructed or 
misaligned.

John

--- In gsp-2101@yahoogroups.com, Glenjamin <rhythmposse@...> wrote:
>
> Hey John,
> Did I get you right? The pedal won't calibrate or won't calibrate 
from 127 to 0? Mechanically the pedal is a LED with a moving blocker 
that increases the blockage causing more or less value. If you not 
getting changes I would check the LED. If this is not what the 
problem is please ignor. :-) I will have to try to calibrate from 127 
to 0 myself.......
> 
> For the tube junkies about RFT's my personal fav.
> ECC83/R.F.T
> German valve that I have seen also branded Brimar, Siemens & 
Telefunken. This tube was also used for a 
> long period by Marshall. The valve has a rich bass response with 
great drive. Very low in microphonics due 
> to thick glass envelope. The valve also distorts earlier than the 
U.S.A types. The valve does show less treble 
> response than the U.S.A types which lends the valve to be used in a 
more rock style set up. The rich 
> harmonic distortion make this a great valve in Marshall. Boogie and 
Vox amps. It showed rich sustain with 
> plenty of bass crunch. Mid range was clear and detailed. Defiantly 
for the rockers and blues players.
> 
> The FRT
> 
> ----- Original Message ----
> From: john_lampson <jlampson@...>
> To: gsp-2101@yahoogroups.com
> Sent: Tuesday, August 14, 2007 2:06:47 PM
> Subject: [gsp-2101] Re: Internal Continuous Controller CC 
Calibration
> 
> 
> 
> 
> 
> 
> 
> 
> 
>   
> 
> 
>     
>             I would love to get a J-12.  Two pedals would solve a 
lot of problems.
> 
> 
> 
> But the problem is not with me understanding the change in values 
> 
> corresponding to the travel of the pedal.  I would rather have 0 at 
> 
> the bottom and 127 at the top, but my pedal won't calibrate that 
> 
> way.  It could be the processor, it could be the pedal, but I'm 
> 
> assuming it's the pedal and so I'd like to know if there's anything 
I 
> 
> can look at in terms of cleaning or self-maintenance to 
troubleshoot.
> 
> 
> 
> --- In gsp-2101@yahoogroup s.com, Glenjamin <rhythmposse@ ...> 
wrote:
> 
> >
> 
> > Hey John,
> 
> > 
> 
> > This is not a bizarre problem. This is by design. Your using one 
> 
> range in midi 0 to 127. What you are asking for sounds like two 
> 
> ranges, 
> 
> > 0 to 127 to 0 with 127 as the center point. Even if you 
calibrated 
> 
> half way the end would still be 127. I have no idea's at this time 
to 
> 
> remedy this. You could try a J-12 controller with two pedals and 
> 
> reverse program them????
> 
> > 
> 
> > Also let us know in detail what you did on the FC2101 to fix it.
> 
> > 
> 
> > ----- Original Message ----
> 
> > From: john_lampson <jlampson@ .>
> 
> > To: gsp-2101@yahoogroup s.com
> 
> > Sent: Tuesday, August 14, 2007 12:15:12 AM
> 
> > Subject: [gsp-2101] Internal Continuous Controller CC Calibration
> 
> > 
> 
> > 
> 
> > 
> 
> > 
> 
> > 
> 
> > 
> 
> > 
> 
> > 
> 
> > 
> 
> >   
> 
> > 
> 
> > 
> 
> >     
> 
> >             I have a pretty bizarre problem with my CC pedal on 
my 
> 
> 2101 FC.  I've 
> 
> > 
> 
> > had this for several years (ever since I bought the unit used).
> 
> > 
> 
> > 
> 
> > 
> 
> > I have to set it up so that the 0 value is at the toe and the 
heel 
> 
> and 
> 
> > 
> 
> > the value of 127 is in the middle.  To demonstrate, a patch that 
> 
> would 
> 
> > 
> 
> > gradually increase in distortion has max distortion in the middle 
> 
> of 
> 
> > 
> 
> > the travel and no distortion at either end of pedal's physical 
> 
> extremes.
> 
> > 
> 
> > 
> 
> > 
> 
> > No matter how I try to calibrate it, this seems to be the only 
way 
> 
> it 
> 
> > 
> 
> > works.  Is this something I need to clean inside the unit?
> 
> > 
> 
> > 
> 
> > 
> 
> > John
> 
> > 
> 
> > 
> 
> > 
> 
> > 
> 
> > 
> 
> >     
> 
> >   
> 
> > 
> 
> >     
> 
> >     
> 
> > 
> 
> > 
> 
> > 
> 
> > 
> 
> > <!--
> 
> > 
> 
> > #ygrp-mlmsg {font-size:13px; font-family: arial, helvetica, 
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> sans-serif;}
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> >        
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> > 
> 
> ____________ _________ _________ _________ _________ _________ _
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>     
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> 
> 
> 
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>        
> 
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