How can I adjust monitor brightness with the UHK?

This is not as trivial as one might imagine. On laptops, it's usually easy to adjust the monitor brightness with Fn shortcuts, but the Fn keys are internal to laptops and cannot be emulated by USB keyboards, such as the UHK. The Fn keys of the UHK activate its Fn layer and can't emulate the Fn key of laptops. With the above being said, you should be able to adjust the brightness on macOS with F14/F15, which you can map via Agent. We are not aware of any other OS shortcuts.

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