Sony FDR-X1000V How To Use Manual page 22

HDR-AS200V (SPK-AS2)
5. Hook the buckle over the tab on the lower part of the case cover , then close the buckle in the
direction of , until it clicks into place.
Make sure the buckle is locked by the buckle lock.
FDR-X1000V (SPK-X1)
HDR-AS200V (SPK-AS2)