Hi lion-g,
You could always cheat and see what the FCTM says.
DEROTATION
Applicable to: ALL
When the aircraft is on the ground, pitch and roll control operates in Direct Law. Consequently, when
the aircraft touches down, the pilot flies the nose down conventionally, varying sidestick input as
required, to control the derotation rate.
After touch down, when reverse thrust is selected (on at least one engine) and one main landing gear
strut is compressed, the ground spoilers partially extend to establish ground contact. The ground
spoilers fully extend when both main landing gears are compressed. A small nose down term on the
elevators is introduced by the control law, which compensates the pitch up tendency with ground
spoiler extension.
It is not recommended to keep the nose high in order to increase aircraft drag during the initial part
of the roll-out, as this technique is inefficient and increases the risk of tail strike. Furthermore, if auto
brake MED is used, it may lead to a hard nose gear touch down.