FR: le crit?re d'acceptabilité de la t?te (HAC) [T50435]
DE: das Akzeptanzkriterium für die Kopfbewegung HAC [T50435]
FI: pään hyväksyttävyysperuste HAC [T50435]
Head acceptability criterion (HAC)
1.1. This acceptability criterion (HAC) is calculated on the basis of the resultant triaxial acceleration measured according to Appendix 3, Paragraph 2.2.1 by the following expression ...
