This document is the Harmony 520 User Manual, which introduces the basic setup, customization, and main features of the Harmony 520 remote. The Harmony 520 is an Internet-powered universal remote control that can control most devices that understand infrared signals.
This manual introduces the Harmony 520 universal remote, describing its hardware buttons, USB connector, and backlight (Glow) feature. It explains how to connect the remote to a computer, run the Logitech Harmony software, and complete the online setup process, including device and activity configuration.
Further sections cover using the remote in daily operation, customizing button behavior, learning infrared commands, and troubleshooting common issues such as out‑of‑sync devices. The Help button and Harmony Assistant provide on‑screen guidance, while the manual also details how to adjust settings, add custom‑labeled buttons, and obtain additional support.
Press the Glow button to light up or turn off the display backlight; the backlight timing can be adjusted in Remote Preferences.
Connect the remote to a computer, open the Harmony software, select a device, and click Learn Infrared Commands to capture signals from the original remote.