Announcement: Logitech has made the decision to discontinue manufacturing Harmony remotes : r/logitechharmony
Logitech Harmony 665 manual
LOGITECH HARMONY 525 USER MANUAL Pdf Download | ManualsLib
Maintaining Your ; Upgrading Your Firmware; Upgrading To A New Harmony Remote; Testing Your Remote Settings After A Software Upgrade - Logitech Harmony 555 User Manual [Page 23] | ManualsLib