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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: [gsp-2101] Re: Internal Continuous Controller CC Calibration

2007-08-15 by Glenjamin

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
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 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
> To: gsp-2101@yahoogroup s.com
> Sent: Tuesday, August 14, 2007 12:15:12 AM
> Subject: [gsp-2101] Internal Continuous Controller CC Calibration
>
>
>
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>
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>;
> 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
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