Is it possible to set it [1] to display F keys by default (and switch to alternate functionality only on pressing Fn key)?
[1] System Preferences > Keyboard > Keyboard > "Use all F1, F2, etc. keys as standard function keys" option on El Cap.
[1] System Preferences > Keyboard > Keyboard > "Use all F1, F2, etc. keys as standard function keys" option on El Cap.