52Install the HDD unitsInstall the HDD units into the recorder by referring the disk numbers on the HDD slots.Detach the front panel (operating section) in advance. (☞ Page 21)Install/remove HDD unitsStep 1Remove the HDD unit brace.Step 2Install the HDD units into the HDD slots by referring the disknumbers on the HDD slots.(1) Lift the lever on the HDD unit while holding down theremoval knob, and then insert the HDD unit all the wayinto the HDD slot.(2) Pinch the rim on the HDD slot with the hook on the HDDunit securely.(3) Press the lever down and push it until the removal knobclicks.Important:• Keep the removed HDD unit brace securely. When trans-porting the recorder, it is necessary to attach it.• Hard disk drives are precise devices. Handle with carewhile keeping the following in mind.• Do not subject the hard disk drive to any vibration orimpact.• Before touching the hard disk drive, eliminate staticelectricity by touching a steel locker, etc. When hold-ing the hard disk drive, hold the both sides of thehard disk drive.• Do not touch the circuit board or the connectors toprevent the hard disk drive from damaging by staticelectricity.• Contact your dealer for hard disk drives that works onthe recorder. Please be forewarned that operation withany hard disk drive other than the specified models isnot guaranteed under any circumstances.• When using multiple hard disk drives, use the samemodel.If different models are used together, even when thecapacities of them are the same, the available capacitymay be a few percent smaller.• Install the hard disk drives one by one in order startingfrom HDD1. (The leftmost slot of the HDD slots is HDD1and the rightmost one is HDD4.)• Once the operation has started in the RAID 5 or RAID 6mode, do not change the positions of the HDD units. Ifthey are changed, it may become impossible to readrecorded data.Note:• Hard disk drives are locally procured. Contact your deal-er for purchasing, installing, and replacing the hard diskdrives.• Refer to the operating instructions of the extension unitfor how to install the HDD units on the extension unit.HDD unit braceRemovalknob of theHDD unitLever(2)(3)Removal knobof the HDD unitLeverRimHook
