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Peripheral issue - Mac now treating foot pedal as a mouse

Since the Monterey update, when I press the play/stop button on my transcription foot pedal, it brings up a contextual menu, as though the system is now treating it as right mouse click. This just destroys my workflow.


I have spent all morning on with Apple support, and they are sending the report to the engineers to see what they can diagnose.


This happens without the transcription software running, and the pedal has no driver, it is plug and play, so there are apparently no settings I can adjust to fix this behaviour.


Downgrading back to Big Sur is not a great option as it means wiping the computer so I can first reinstall El Capitan (which it shipped with), and then installing Big Sur. Not loving the idea of wiping the system as I don't quite trust that all my work will be safe on backups. It may end up being the only option if there is no fix for this in an OS patch. I can't imagine anything is going to get fixed quickly, whatever the cause.


I share this only in case someone else has stumbled into something similar and found a simple, painless solution.

iMac Line (2012 and Later)

Posted on Oct 27, 2021 6:56 AM

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Posted on Feb 21, 2022 11:55 AM

I just spoke to a representative from VEC Electronics who confirmed that the issue of the MAC recognizing the foot pedal as a mouse is rectified by the Infinity 3 foot pedal. He explained to me that it is a matter of an upgraded chip in the 3 compared to the 2 that solves the problem. The only glitch is that the chips that are in the 3 are being impacted by supply issues. In order for them to meet demand they did furnish some Infinity 3 with the former chip, which will work just fine on PCs. He offered a way to tell if you are getting the new chip that is needed for our MAC computers. If you order the Infinity 3 MAKE SURE that it is marked as "A" and you'll know it has the right chip in it. If marked with a "B" then that is the older chip they are using. They are just starting to mail these out now, so just be sure, or you will have the same problem with the 3. Just wanted to pass along that info to further save us all a huge headache again.

38 replies

Mar 19, 2022 8:34 AM in response to mbmendo

Similarly to others here my Infinity 2 stopped working as expected. I read the comments here with interest & decided that there must be a better solution than sending a perfectly good piece of kit to landfill. As mbmendo pointed out it is only a collection of 3 quite simple switches. Solution: replace the circuit. I used a Teensy LC & it took about an hour to replace the old circuit. Since I use it for music transcription I have set it up to send MIDI signals but I am sure that it would be just as easy to send standard keyboard type messages. At this point you can completely customise the pedal - and all for about 15€. Just a thought.

Apr 16, 2022 1:29 PM in response to Rainee1

I just wanted to confirm Rainee1's observation too. I purchased three VEC 3 pedals (to remedy my Infinity 2 problems), but purchased Version B (as indicated on the bottom of the foot pedal; there was no indication of the version on the Amazon listing). And as it would happen, these new pedals suffer the same problem as my Infinity 2 pedals. Back they go...

Peripheral issue - Mac now treating foot pedal as a mouse

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