Arrow Keys - Grab/Rotate/Scale behaviour

KeyWorks inActionWorks if
[up]

Adjust arrow direction

 
[up]

Adjust arrow direction (Grab coarse adjust)

SHIFT-[up]

Adjust (grab fine adjust)

CTRL-[up]

Adjust (grab coarse grid snap center)

SHIFT-CTRL-[up]

Adjust (grab fine grid snap center)