L-Acoustics A15i Series Owner's Manual page 41

Rigging system description
KS21i-SCREEN can be secured to the back of KS21i when used in cardioid conguration.
A15iFOCUS-SCREEN-LIFT and A15iWIDE-SCREEN-LIFT are dedicated screens for A15i Wide/Focus own in radial
congurations. The screens are designed to t on an A15i Wide/Focus enclosure assembled with A15i-LIFT.
A15i owner's manual (EN) version 1.0 41