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Major operating controls and their functions
Inside the front cover
The following illustration shows that 9 HDD units are installed with the "HDD unit holding brackets" removed.
*
➀ HDD units [Option]
Only the hard disk drive encased in the dedicated hard
disk drive canister (HDD units) can be installed in the
extension unit.
Contact your dealer about purchasing, installing, and
replacing the hard disk drives.
➁ HDD status indicator [STS]
Indicates the operational status of the respective hard
disk drive.
Lights green: Indicates that the power of the (formatted)
hard disk is on
Blinks green: Indicates that the respective hard disk
drive is for playback use only.
(Recording is unavailable using the respective hard
disk drive.)
Blinks orange: Indicates that the respective hard disk
drive is currently being formatted or during the rec-
ognition process.
Blinks red: Indicates that formatting of the hard disk
drive has failed
Off: Indicates that the power of the hard disk drive is off,
Indicates that the hard disk drive is not connected/
recognized.
➂ HDD access/failure indicator (A/F)
Indicates the status (access/failure) of the respective
hard disk drive.
When an HDD failure (error) occurs during operation in
the RAID 5/RAID 6 mode, the indicator will light/blink
red.
Blinks green: Indicates that the respective hard disk
drive is being accessed.
Off: Indicates that the respective hard disk drive is not
being accessed.
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➀
➁
➂
➃
➃ HDD slots
➄ HDD unit holding bracket fixing thread hole
(continued)
Lights red: Indicates that the respective hard disk drive
is faulty (which can be recovered by replacing the
hard disk drive)
In the RAID 5 mode, it indicates that the respective
hard disk drive is the first faulty drive.
In the RAID 6 mode, it indicates that the respective
hard disk drives are the first and second faulty drive.
Blinks red: Indicates that the respective hard disk drive
is faulty (which cannot be recovered even by replac-
ing the hard disk drive)
In the RAID 5 mode, it indicates that the respective
hard disk drive is the second faulty drive.
In the RAID 6 mode, it indicates that the respective
hard disk drive is the third faulty drive.
Blinks orange: Indicates the drive in data recovery in
RAID 5/RAID 6 mode (it may appear that the indica-
tor lights orange when recovery is being processed
at high speed)
Up to 9 HDD units can be installed.
Use this hole to fix the HDD unit holding bracket when
transporting the extension unit.
➄
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