Using the Front Panel for Operations45Install the HDD unit provided (page 46).The HDDs can be easily installed or removed from the HDD bay slots inside the front cover.Contact your dealer for information on purchasing, installing, and replacing HDDs.*Extension unit is required for installation as a unit.Handling the HDDImportant:• HDDs are precise devices. Note the following precautions when handling them.⋅ Do not subject them to vibration or impact.⋅ Before touching an HDD, ground yourself against a metal object to eliminate any static electricity. Always hold the HDDs by the sideswhen carrying them.⋅ To prevent damage to components from static electricity, do not touch the parts or connectors on top of the HDDs.• Contact your dealer for information on compatible HDDs.Operation is only guaranteed with recommended HDDs.• All the HDDs must be the same model.Even if the capacity is the same, the space may be smaller by a few percent if the HDD models are different.• Always install the HDDs in order starting with HDD 1.(Disk slots in order from 1 to 9, starting on the left)• In RAID5 or RAID6 modes, do not change the position of the HDD after starting operation.Recorded data may not be read correctly if they are changed.Item Reference PageInstallation For individual HDD units Installing HDDs page 46For extension units* Installing HDDs by unit page 47Remove For individual HDD units Removing HDDs page 48For extension units* Removing HDDs by unit page 50Mode setting All units Setting the HDD's Operation Mode page 51Replacement &recoveryIn single mode Installing HDDsRemoving HDDspage 46page 48In RAID modeError RecoveryHDD error recovery(In RAID mode)page 52ND400_Basic.book 45 ページ 2008年4月8日 火曜日 午後3時59分