Basic controls:

Exit: x
Controls (AI mode, switch human/computer coaches): c
Verbosity (Terse/Verbose): v
New game: n
Graphics on/off: g
Freeze game: f
Delay mode: d, then (s)low/(n)ormal/(f)ast
Sound on/off: s
Windows (best to leave them on until playbooks can be obtained; useful only in human vs. human games): w
Extra-fast mode (AI plays both teams quickly): e
Statistics: r
Undo last play: u
Instant Replay on/off: i
Play names on/off: p
Coaching key (timeouts, two minute drill on/off): \ for left player, / for right
Cancel selection: Escape for left, - (on keypad) for right
Numbered selections (e.g., play selection, kick selection, start of game): F-keys for left, numberic keypad