t helmet” in the “Safety Warning” booklet). To remove the helmet, release the press- stud by pulling the end of the tape and loosen the tape, pulling it through the rings, using the red tab as shown in the ?gure.13 4.2) Quick release buckle retention system With the quick release buckle retention system, the strap must be adjusted before being fastened. Following the indications of the ?gure below, adjust the length of the strap, lengthening or shortening the portion of tape that passes through the metal ring (1) until the helmet ?ts snugly when the strap is fastened. To fasten the helmet, slot the buckle into the retention mechanism (2) until it clicks closed (3).Check that the helmet fits snugly (see the paragraph entitled “Choosing the right helmet” in the “Safety Warning” booklet). To remove the helmet, use the red button (1) to open the retention mechanism and then open the buckle (2) as shown in the ?gure below. 4.3) Micrometric adjustment buckle retention systemWith the micrometric adjustment retention system, the strap must be adjusted before being fastened. Following the indications of the ?gure below, adjust the length of the strap, lengthening or shortening the portion of tape that passes through the metal ring (1) until the helmet ?ts snugly when the strap is fastened. To fasten the helmet, slot the serrated tab into the metal buckle (2) and push it as far as possible (3) until the strap presses against the jaw. The micrometric adjustment system enable further, more precise “calibration” of comfort and ?t thanks to the possibility to use the preferred number of positions on the serrated tab (It is best to insert the tab as far as possible into the buckle). Check that th...