Tools > Options > Editor
Use this tab to set editor options.
Check Board sound if you wish to produce sounds when playing a game against the engine.
Check Mark ending squares when executing move on board if you want to mark the ending squares of the legal moves that are possible with the chosen piece.
Check Zero fill squares if you want to show a leading zero in fields that are smaller than ten. This can give a nicer alignment.
Check Zero fill move numbers if you want to show a leading zero in move numbers that are smaller than ten. This can give a nicer alignment.
This special reference database is separate from the reference database in the Reference Window.