Nolan X Serie Instructions D'utilisation page 25

During the communication system installation (see the specific instructions in the
N-Com kit), it will be necessary to remove from the helmet the foam material fillers
located in the polystyrene cheek pads next to the N-Com earphones housings.
The above-mentioned fillers should only be removed if the helmet is used with a
compatible N-Com system installed.
INSTRUCTIONS FOR USE
X-903
25