How do I use the keyboard's macro or custom key profiles?
The keyboard has multiple profile layers that can be switched using the dedicated profile keys. Press Fn combined with the profile keys (E, R, f, or the profile selection keys) to switch between profiles. The indicator lights for profiles 1 through 4 will show which profile is currently active.
From the official Monsgeek M1W Rgb Multi Modes Keyboard manual, page 5
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