The =L2= key switches it to the function layer, and tapping =L0= here
brings it back to the first layer.
- : home ↑ end insert pgup || ↑ F7 F8 F9 F10
- : ← ↓ → del pgdn || ↓ F4 F5 F6 F11
+ : insert home ↑ end pgup || ↑ F7 F8 F9 F10
+ : del ← ↓ → pgdn || ↓ F4 F5 F6 F11
: || F1 F2 F3 F12
: super shift bksp ctrl || alt space L0 reset