This video covers the basic steps for adding an expression pedal to the Line 6 HX Stomp digital guitar processor.
This video is intended for those that may have some familiarity with the HX Stomp but may not have used an expression pedal with it before, or need a refresher on the configuration steps.
The video references information listed in the Line 6 HX Stomp Owners Manual Revision A. This video was made in January 2020 with HX Stomp FW version 2.71.0. and settings verified the same up to 2.82.0. Other firmware versions may have differences. Check the Line 6 firmware release notes for more information.
Line 6 Owners Manual - https://line6.com/data/6/0a020a4010c935bb66a4c0c44f/application/pdf/HX%20Stomp%20Manual%20-%20English%20.pdf
Mission Owners Manual - https://missionengineering.com/support/line-6-electronic-user-guide/
Mission SP1-L6H - https://missionengineering.com/shop-2/products/expression/specific-use-exp/sp1-l6h/
Mission TT-2 https://missionengineering.com/shop-2/products/accessories/tt2/