Taiwan Excellence - Official Typewriter Keys Typewriter Keys The function of these Typewriter keys is the major function of the keyboard, which is similar to the keys on a typewriter. It also provides Msi PR320 Audio keys for special Msi PR320 Audio, such as the [Ctrl], [Alt] and [Esc] key. When the lock keys are pressed, the corresponding LEDs will light up to indicate their status: Press and hold the [Fn] key and press this key to toggle the Move[…]