7.8AT-04 Treadmill Owner's Manual Horizon Fitness Updated September 22, 2022 14:23 For the 7.8 AT-04 Treadmill Owner's Manual, please click here. For the Treadmill Guide, please click here. Was this article helpful? Yes No 0 out of 0 found this helpful Have more questions? Submit a request Related articles 7.4AT-04 Treadmill Owner's Manual 7.8 AT-02 Treadmill Operating Instructions How Does the 7.8 AT-04 Connect to Apps? How Do I Lubricate a Treadmill Running Belt? Horizon Fitness 2019 7.8AT-02 Treadmill Comments 0 comments Please sign in to leave a comment.