AGV K-5 Jet Manual De Instrucciones página 17

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4.2) Quick release buckle mechanism
The quick release buckle mechanism requires the adjustment of the
strap before fastening.
Following the diagram below, adjust the length of the strap by increasing
or reducing the amount of strap that goes through the metal clasp (1)
until the helmet feels snug when the buckle is fastened.
To fasten the helmet, insert the quick release clasp into the buckle (2)
1
until it clicks into place (3).
Check that the helmet is secure (see also the section entitled "Choice
of appropriate helmet" in the "Safety Warning" booklet).
2
3
4
To loosen the helmet, press on
the red button (4) to open the
buckle and then pull the clasp
out (5) as shown in the diagram
below.
5
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