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10
Close the front cover and lock it by pushing and
turning the key to the left.
Keep the key in a safe place.
(1)
11
Check the disk information.
The following can be checked on the "Disk information"
page on the setup menu of the recorder. Refer to the man-
uals provided with the recorder for further information.
• Total capacity of the hard disk drive
• Available (remaining) capacity of the hard disk drive
• Hour meter
• Operational mode of the hard disk drive
• Time and date range of the images recorded on the
hard disk drive.
Note:
• It is impossible to remove all the HDD units in the exten-
sion unit using the buttons and the LCD on the front panel
when running in the RAID 5 or RAID 6 mode. Refer to
page 31 for information on how to replace a faulty hard
disk drive.
* When using a recorder (not a network disk recorder), refer to
the manuals provided with the recorder for how to operate.
● Determine the operational mode
The default operational mode is "Single". To run the system in
the single mode, the following procedures are not necessary.
1
Turn off the power of the extension unit and the
recorder.
Turn off the power of the power of the extension unit by
following the instructions in the "Turn off the power of the
extension unit (page 18)" section.
2
Turn on the power of the extension unit.
The following operations are to be performed on the net-
work disk recorder.*
3
After inserting the key provided with the network
disk recorder into the key hole on the front cover of
the network disk recorder, push and turn it to the
right to open the front cover.
(2)
4
5
Important:
• Do not change the operational mode after starting the sys-
* When using a recorder (not a network disk recorder), refer to
the manuals provided with the recorder for how to operate.
(2)
Determine the operational mode using the [RAID]
switch.
S: Single mode (Default)
R5: RAID 5 mode
R6: RAID 6 mode
[USE] button
Turn on the power of the recorder by pressing the
[POWER] switch while holding down the [USE] but-
ton until the buzzer starts sounding.
The recorder will start up in the selected operational mode.
tem operation. If the operational mode is changed after
starting the system operation, accessing the recorded data
may fail.
(1)
[RAID] switch
29
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