M13 weird expression pedal problem? Oct 17, 2011 14:40:40 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by nick robinson on Oct 17, 2011 14:40:40 GMT I set the two positions, it can then be pedalled back to the earlier setting, but then it stops changing completely. I'm using a zoom vm-13 pedal - any bright ideas?