[Spacebar] Cycle the main slice view in a clockwise rotation.

[Page Up] or ['] Increment the axial slice.

[Page Down] or [/] Decrement the axial slice.

[Arrow Up] and [Arrow Down] Increment/decrement the coronal slice.

[Arrow Right] and [Arrow Left] Increment/decrement the sagittal slice.

[g] and [v] Increment/decrement main slice.

[<] or [,] Decrement the series point.

[>] or [.] Increment the series point.

[o] Navigate viewer to the image origin.

[c] Navigate viewer to the center of the image.

[a] Toggle main crosshairs on/off.

Pineapple: T1-Weighted Image