Airbus Instructor Support states the airplane is certified for takeoff with full nose up or down trim. makes you wonder in this accident.
this is what it looks like in the sand pit After Start
PITCH TRIM handwheel................................................... ......................................SET PNF
Crosscheck load sheet T/O C.G against FMGC T/O C.G, In case there is a discrepancy of more than 2 % check that the ZFW and ZFWCG have been correctly inserted in the MCDU, and use the T/O CG value from the fuel prediction page.
PNF is to re-select FPLN page on MCDU.
New Company
PITCH TRIM handwheel................................................... ......................................SET
Set takeoff CG on pitch trim hand wheel.
the first one reflects many years of operating mistakes, the second one,
new company, standard SOP. though not mention of trim units.