Automatic Pitch Trim:
Pitch trim is automatic in both manual control and with AP engaged. There is no need to trim with speed, thrust or configuration changes (you get a 500'/min balloonig when setting flaps 2, but that's a different story).
In normal turns (up to 33° bank) no pitch correction is needed once the turn is established.
Automatic pitch trim is inhibited in the following cases:
-Manual trim order
-Radio height below 50ft (100ft with AP engaged.)
-Load factor below 0.5g.
-In high speed/Mach protection (except in the event of L/R ELEV FAULT).
Automatic pitch trim is limited between the actual THS setting and 3.5° nose down to inhibit further nose up trim in the following cases:
-If angle of attack protection is activated
-If 33° bank angle is exceeded.
-If 1.25 g load factor is exceeded.