45■ HDD unitTo install a hard disk drive in the recorder, it is necessary toassemble an HDD unit (encase the hard disk drive in the HDDcanister).The HDD unit is designed to easily install/remove the hard diskdrive in/from the recorder.Contact your dealer about purchasing, installing, and replacingthe hard disk drives.Important:• Hard disk drives are precision devices. Before installing thehard disk drives, read the "Hard disk drive" section of"Precautions (page 9)" together with the following.• Before touching a hard disk drive, release static elec-tricity from your body using an anti-static groundingstrap, etc.Even after releasing static electricity, hold the side ofthe hard disk drive when carrying it. To prevent dam-age to the hard disk drive from static electricity, do nottouch the circuit board and the connectors of the harddisk drive.• Use an anti-static mat and an anti-static groundingstrap when installing/replacing the hard disk drives.• When installing hard disk drives, use a low-torquepowered screwdriver or a torque screwdriver to tightenscrews with the specified torque.• The hard disk drive and the HDD canisters should bepackaged in exclusive cushioning.The hard disk drive and the HDD canisters may bedamaged by a fall or vibration. When transporting theextension unit, put these cushions from the extensionunit and pack them again in the followingmethod.(1) Put the cushion between the front cover and HDDcanister.(2) Put the cushions between the extension unit and innerbox.(3) Put the corner cushions between the inner box andouter box.HDD canister HDDAnti-static matCushionInner boxCorner cushionInner boxOuter boxCushion