This pot is used to replace 'delay time', 'repeats', 'tweak', 'tweez', and 'mix' functions on DL4 and all other similar functions on the 4 button stompbox modeler pedals. This pot will NOT replace the model select encoder! Line 6 recommends these parts be installed by an authorized Line 6 service center. Line 6 assumes no responsibility for any damages done to your product while installing this part. All sales are final, no refunds or exchanges on parts. 01-48-7103
A list of support manuals can be found at http://line6.com/support.