To power the keyboard, you need to plug in the grey USB connector. If you need to activate the USB hub, on the back of the keyboard, you need to plug in the black USB connector.
To activate the function keys on your mac ASTRA backlit keyboard, press FN + e.g. F7 or any other key in the function key row.
The Final Cut Pro X dedicated LogicKeyboard, also features all the regular letters, numbers, and symbol labelling that you will find on a conventional keyboard, it can simply be used as a substitute for it. Easy to set up and use. No software required.
Color-coded labelled shortcut keys with graphical commands Compatible with macOS 10 or later
1.8 meter cable with separate keyboard and hub connections (avoid interference with USB extenders)