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Post subject: Re: EXP-1 calibration problem
Posted: Thu Apr 26, 2012 2:02 pm
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Loren Howard - Fender wrote:
Hey Guys,

Were still doing some testing here. We'll let you know as soon as we have something. Thanks so much for your patience.


Any luck with testing?

Thanks,
Larry


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Post subject: Re: EXP-1 calibration problem
Posted: Thu Apr 26, 2012 7:33 pm
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OK guys, here is the scoop. Alan asked that I send my pedal back and have them send me a new one. I got the new one today. I plugged it in directly to the mustang and calibrated it. Then I turned the amp off and hooked it up to my 4 switch pedal. The heel worked fine but the toe maxed out at about 75%. I could not get the Max out of any parameter with the toe all the way down. So I calibrated it again, this time while connected into the 4 way footswitch and now it seems to be working. I definately did this with my old pedal and it never did calibrate correctly. My new one is now working, but hopefully I don't have to calibrate it again because the calibration certainly seems flaky.


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Post subject: Re: EXP-1 calibration problem
Posted: Fri Apr 27, 2012 8:40 am
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OK so what do the rest of us do?

And what steps specifically did you use.

Turn on with util button held down.

Then what? Wait for it to flash then move the pedal while still holding down. Wait for flash then release and move pedal?


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Post subject: Re: EXP-1 calibration problem
Posted: Fri Apr 27, 2012 9:01 am
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Stinger22 wrote:
OK so what do the rest of us do?


Looks like Fender has decided to ignore this thread, I guess you'll have to call like GodinSession did. You may want to try what I did with the electrical tape, it doesn't look very good but it does correct the design/manufacturing error. It took me a couple of tries to get the proper angle and you have to calibrate with each change. I have full travel of the pedal as it should have been when I bought it.


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Post subject: Re: EXP-1 calibration problem
Posted: Fri Apr 27, 2012 9:15 am
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Yeah I hate to open it up and possibly void the warranty. If it is replacing the light module I'd be happy to do it if they sent one out. Or if they said have it and try your fix I'd use the tape to get the angles right and then take some black enamal paint to make it permanent. I have Sweetwater monitoring this also waiting to hear from Fender to let them know what they say.


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Post subject: Re: EXP-1 calibration problem
Posted: Fri Apr 27, 2012 10:03 am
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Hey Guys,

We're certainly not ignoring the thread. We'd like to make sure we have accurate information to bring back to you rather than just shotgunning replies for the sake of answering questions. We really appreciate your patience.

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Post subject: Re: EXP-1 calibration problem
Posted: Fri Apr 27, 2012 10:16 am
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Hey Loren,

Thanks for the reply. I can only speak for myself but I'm certain that the problem with mine is that the white strip reaches max width under the led module at about half travel so there is no increase in reflection back into the sensor therefore the calibration is working properly it's just that the white part is not made correctly. As I've said earlier in this thread once I changed the angle and length of the white strip and calibrate, it works correctly.


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Post subject: Re: EXP-1 calibration problem
Posted: Fri Apr 27, 2012 10:23 am
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In response to what do the rest of us I do? I would call fender and get a replacement like I did.

With the new one I simply calibrated the same way I did the first one, by holding the utility button down while turning on the amp. I did not touch the pedal while the amp was turning on. It must be a hardward problem in some of the pedals, so if you call Fender, I would think that they will warranty it just like they did mine.

FWIW, I sent mine back, and hopefully they will test my pedal, and verify the issue with my original problem.


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Post subject: Re: EXP-1 calibration problem
Posted: Sat Apr 28, 2012 1:09 pm
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Loren Howard - Fender wrote:
Hey Guys,

We're certainly not ignoring the thread. We'd like to make sure we have accurate information to bring back to you rather than just shotgunning replies for the sake of answering questions. We really appreciate your patience.


Thanks for the response Loren. It makes sense not to to anything hasty. I'll keep track of this post. :)


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Post subject: Re: EXP-1 calibration problem
Posted: Sun Apr 29, 2012 1:54 pm
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lnowlin wrote:
I received my EXP-1 from Sweetwater yesterday and noticed very soon that the response of the pedal was much quicker than it should be, it reaches max volume and effect of the selected box just before half way of the travel from heel to toe. I tried calibrating with and without the 4-button footswitch attached and with the pedal at both extremes during calibration with no change.

I'm an electronic tech and since there are no stickers that say I'm voiding the warranty I couldn't resist opening it up to see if there was something that I could fix easily without having to ship it back. It uses an IR LED/photocell that reflects off a tapered white strip that is attached to the pedal, as you move the pedal the taper widens reflecting more IR thus increasing volume/effect. The problem is that the angle of the taper is too wide.

The good news: I was able to fix mine by covering the edges of the white strip with electrical tape to make the angle slightly more acute, plugged it in, calibrated it and it worked perfectly on the second attempt. The first time I overdid it and it wouldn't reach full volume/effect.

I'm interested if anyone else has noticed this.



Yeah I had the same problem. I did the black tape mod you did and now it's perfect.
Maybe Fender will revise the the white arrow piece now.
Loren, thanks for looking in to this and I hope you guys can help a brother, or two.


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Post subject: Re: EXP-1 calibration problem
Posted: Sun Apr 29, 2012 3:29 pm
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Bit the bullet and did the mod also and it calibrates correctly.


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Post subject: Re: EXP-1 calibration problem
Posted: Wed May 02, 2012 7:36 am
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Trying to be patient.............any developments on a permanent solution? The tape thing is temporary and likely to fall off in the pedal in the middle of a gig.


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Post subject: Re: EXP-1 calibration problem
Posted: Wed May 02, 2012 11:03 am
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Hi Guys,

As we are looking into this currently, anyone who believes that they are having this issue should contact the TSL at the email address below. Please run through the calibration before contacting us to confirm that you do have this issue with your pedal. The calibration procedure is to press and hold the Utility button on your Fender Mustang III-V while powering on the amp with the Fender EXP-1 pedal attached. Once the Utility light goes out, the pedal should be calibrated. Additionally, make sure that you are connecting to the amp with the Fender MS-4 and not the Fender ULT-4 pedal. Thanks.

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Alan Willey
Fender Technology Support Lab
TSL@Fender.com
480.596.7195


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Post subject: Re: EXP-1 calibration problem
Posted: Wed May 02, 2012 11:37 am
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Hi Alan,

Thanks for the reply, I just sent the following email:

I have the Mustang MS-4 footswitch and have tried calibration both with and without the footswitch in place with no change in results. The only thing that works is changing the taper of the white strip, after that it works great and I'm really enjoying having a wah pedal. I would like to have a proper fix for it though because there isn't a lot of surface area for the tape to adhere to and it will probably fall off eventually. Now that others are posting similar problem and results, I hope a fix is in the works.


Thanks,
Larry


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Post subject: Re: EXP-1 calibration problem
Posted: Wed May 02, 2012 1:10 pm
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Hi Larry,

I will locate your email and get back to you shortly. Thanks.

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Alan Willey
Fender Technology Support Lab
TSL@Fender.com
480.596.7195


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