JVC GC-XA2 Mode D'emploi De Base page 7

Assembling the Flexible Mount
When you fix the camera to a helmet, etc., attach the flexible
mount to the tripod mounting hole of the camera.
1 Remove the knob from the
base part.
Turn the knob in the
direction indicated.
2 Insert the pod part into
the knob.
3 Attach the pod part to the
base part.
Be careful not to pinch your
finger.
4 Fasten the knob firmly.
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