# Expression Pedal Issue **URL:** \ **Category:** Bug Reports\ **Created:** [November 28, 2022, 5:26pm UTC](https://unity.neuraldsp.com/t/expression-pedal-issue/8944 "2022-11-28T17:26:56Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![jesselab](https://avatars.discourse-cdn.com/v4/letter/j/d26b3c/32.png) [@jesselab](https://unity.neuraldsp.com/u/jesselab)\ **Post date:** [November 28, 2022, 5:26pm UTC](https://unity.neuraldsp.com/t/expression-pedal-issue/8944/1 "2022-11-28T17:26:56Z")
**CorOS Version:** 1.x **Describe your issue:** Hi guys, when I plug in my DVP4 X Mini. The QC doesn’t recognise it at all when I try to recalibrate it. **Steps to reproduce your issue:** 1. I’ve tried switching it internally and the jack seems to be working with the tuner output 2. It works as an external expression pedal elsewhere. Would you know of any solutions to this? ---
**Author:** ![xush](https://sea2.discourse-cdn.com/flex020/user_avatar/unity.neuraldsp.com/xush/32/5100_2.png) [@xush](https://unity.neuraldsp.com/u/xush)\ **Post date:** [November 28, 2022, 5:57pm UTC](https://unity.neuraldsp.com/t/expression-pedal-issue/8944/2 "2022-11-28T17:57:40Z")
You’re using a TRS cable? ---
**Author:** ![jesselab](https://avatars.discourse-cdn.com/v4/letter/j/d26b3c/32.png) [@jesselab](https://unity.neuraldsp.com/u/jesselab)\ **Post date:** [November 29, 2022, 11:21am UTC](https://unity.neuraldsp.com/t/expression-pedal-issue/8944/3 "2022-11-29T11:21:17Z")
A factory reset did it. Yeah I did use a TRS cable. Not sure what it was in the end - was pretty tedious. ---
**Author:** ![MP\_Mod](https://avatars.discourse-cdn.com/v4/letter/m/ccd318/32.png) [@MP\_Mod](https://unity.neuraldsp.com/u/MP_Mod)\ **Post date:** [November 29, 2022, 4:35pm UTC](https://unity.neuraldsp.com/t/expression-pedal-issue/8944/4 "2022-11-29T16:35:12Z")