Panasonic Extension Unit Wj Hde400 Installation Guide

							Using the Front Panel for Operations
21
Use the HDD canister provided to install the HDD. 
The HDDs can  be easily installed or removed from the HDD slots
inside the front cover. 
Contact your dealer for informati on on purchasing, installing, and
replacing HDDs.
1Install the HDD into the special canister and use the four
screws to fasten both sides of the HDD. 
The tor que for tightening the scre w g
(use a tor que driver) 
2Use the two screws to fasten the bottom of the HDD. 
The torque for tightening the scre w g
(use a tor que driver) 
HDD Unit 
Important:
 HDDs are precise devices. Before starting  work, refer to Hard
disk drives (page 7) for information on ho w to handle HDDs.
Also, note the follo wing precautions. 
⋅ Do not su bject them to vi bration or impact.
⋅ To install HDDs, use a tor que driver and tighten the scre ws
to the specified tor que. 
⋅ Before touching an HDD, ground yourself against a metal
object to eliminate any static electricity. Al ways hold the
HDDs  by the sides  when carrying them.
⋅ Use an anti-static mat and  wristband  when installing or
replacing HDDs. 
⋅ To prevent static electric ity, do not touch the parts.
⋅ At the time of purchase,  the HDD unit and canisters are
packaged in exclusive cushion.
The HDD units and canisters may  be damaged by fall or
vi bration.  When transporting the unit, remove these parts
from the unit and package again.
HDD Canister HDD
Anti-static mat
HDD fixing screws for HDD canister 
HDD fixing screws for HDD canister 
HDD fixing screws for HDD canister
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							Using the Front Panel for Operations
22
Install the HDD unit provided (page 23). 
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.
Handling the HDD
Important:
 Hard disk drives are precise devices . Note the following precautions when handling them.
⋅ Do not su bject them to vi bration or impact.
⋅ Before touching an HDD, ground yourself against a metal o bject to eliminate any static electricity. Always hold the HDDs  by the sides
w hen 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 compati ble 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.
 ways 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.
ItemReferencePage
Installation For individual  HDD units Installing HDDs page 23
For extension units  Installing HDDs by unit page 24
Remove  For individual HDD units Removing HDDs page 25
For extension units  Removing HDDs by unit page 27
Mode setting  All units  Setting the HDDs Operation Mode page 2 8
Replacement & 
recovery  In single mode
Installing HDDs
Removing HDDs page 23
page 25
In RAID mode
Error Recovery HDD error recovery
(In RAID mode) page 29
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							Using the Front Panel for Operations
23
You can install (link) HDDs from the recorder  while it is in operation. 
Also, refer to the net work disk recorders Installation Guide. 
1Insert the key (included) into the key hole and turn it to
the rig ht while pressin g g ently to open the front cover.
2Insert the HDD units into the HDD bay slots while
checkin g each HDD number marked on the HDD bay
slots.
Press the HDD unit s removal kno b down and lift the lever,
and then insert it all the  way into the disk slot.
(1) Hook the HDD units tab securely on the
HDD bay slot.
(2) Press the lever down and push the HDD unit until the removal knob clicks.
3The HDD will be automatically reco gnized. 
 While the HDD is  being recognized, the HDD status
indicator  blinks orange.
Once the HDD is recognized, the HDD status indicator
lights green or  blinks.
 The HDD is automatically formatted if it is not  preformatted. 
The HDD status indicator lights green after formatting is
complete.
 Preformatted HDDs are recognized for play back only. In
this case, the HDD status indicator  blinks green. Follo w
the instructions from step 4 to use the HDD for recording. 
Note:
 The HDD status indicator may light green  before  blinking
orange when an HDD is inserted.
The followin g operation is done on the network
disk recorder 
4Press the [USE] button for over 2 seconds. 
A  buzzer sounds. 
Press the front panel  buttons according to the directions on
the LCD. 
5Press the arrow buttons (up or down) on the front panel
until [HDD Operation] appears on the screen. 
6Press the [SET] button. 
7Press the arrow buttons (up or down) on the front panel
until [Link HDD] appears on the screen. 
8Select [YES] with the arrow buttons (left or ri ght) and
then press the [SET] button. 
9Select the device where you installed the HDD (Network 
Disk Recorder: MAIN, Extension Unit (x): EXTx) with the 
arrow buttons (up or down) and press the [SET] button. 
10Select the device where you installed the HDD with the
arrow buttons (up or down) and press the [SET] button. 
11Select [YES] with the arrow buttons (left or ri ght) and
then press the [SET] button. 
The HDD is recognized for recording. 
Press the [SET]  button to return to the time display format
screen. 
Installing  HDDs
(1)
(2)
(1)
(1)
(2)
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							Using the Front Panel for Operations
24
12Close the front cover of the extension unit and lock it by
lig htly pressin g and turnin g the key to the left. 
 Keep the key in a safe place. 
13Check the disk information. 
Check the follo wing content related to the HDD under [Disk 
information] on the settings menu of the net work disk 
recorder. Refer to the net work disk recorders Setup 
Instructions (PDF file) for more information. 
 HDD capacity 
 HDD remaining capacity 
 Hour meter 
 Disk operation mode 
 Date range of video recorded on the HDD 
Note:
 HDDs cannot  be added while in RAID5 or RAID6 mode. 
The RAID function will not start even if an HDD is installed
(linked) in an empty disk slot.
 HDDs can  be installed as a complete extension unit while
RAID5 or RAID6 is running.
All the HDDs in one extension unit can  be linked to operate at the
same time. 
Also, refer to the net work disk recorders Installation Guide. 
1Install the HDD unit in the extension unit. 
Install the HDD according to steps 1 to 2 in Installing HDDs
(Installing HDDs (page 23)). 
Repeat steps 1 to 2 to install multiple HDD units. 
Note:
 When installing HDD units, each HDD unit must  be recognized.
(Follo w Step 1 and 2)
Additional HDD units  will not be recognized  while the first unit is
being recognized.
2The HDD is automatically recog nized. 
 While the HDD is  being recognized, the HDD status
indicator  blinks orange.
Once the HDD is recognized, the HDD status indicator
lights green or  blinks.
 The HDD is automatically formatted if it is not preformatted. 
The HDD status indicator lights green after formatting is
complete.
 Preformatted HDDs are recognized for play back only. In
this case, the HDD status indicator  blinks green. Follow
the instructions from step 3 to use the HDD for recording. 
The followin g operations are done on the network
disk recorder after the HDD is reco gnized by the
extension unit. 
3Press the [USE] button for over 2 seconds. 
A  buzzer sounds. 
Press the front panel  buttons according to the directions on
the LCD. 
4Press the arrow buttons (up or down) on the front panel
until [HDD Operation] appears on the screen. 
5Press the [SET] button. 
6Press the arrow buttons (up or down) on the front panel
until [Link EXT] appears on the screen. 
(2)
(1)
Installin g HDDs by unit
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							Using the Front Panel for Operations
25
7Select [YES] with the arrow buttons (left or ri ght) and
then press the [SET] button. 
8Select the extension units number where you installed
the HDD with the arrow buttons (up or down) and press
the [SET] button. 
9Select [YES] with the arrow buttons (left or ri ght) and
then press the [SET] button. 
All the HDDs installed in the  extension unit are recognized for
recording.
Press the [SET]  button to return to the time display format
screen. 
10Close the front cover of the extension unit and lock it by
lig htly pressin g and turnin g the key to the left. 
 Keep the key in a safe place. 
11Check the disk information. 
Check the follo wing content related to the HDD under [Disk 
information] on the settings menu of the net work disk 
recorder. Refer to the net work disk recorders Setup 
Instructions (PDF file) for more information. 
 HDD capacity 
 HDD remaining capacity 
 Hour meter 
 Disk operation mode 
 Date range of video recorded on the HDD  You can remove HDD units in the extension unit 
while it is in
operation. 
Also, refer to the net work disk recorders Installation Guide. 
1Insert the key (included) into the key hole and turn it
while pressin g in g ently to open the front cover.
The followin g operation is done on the network
disk recorder 
2Press the [USE] button for over 2 seconds. 
A  buzzer sounds. 
Press the front panel  buttons according to the directions on
the LCD. 
3Press the arrow buttons (up or down) on the front panel
until [HDD Operation] appears on the screen. 
4Press the [SET] button. 
5Press the arrow buttons (up or down) on the front panel
until [Remove HDD] appears on the screen. 
6Select [YES] with the arrow buttons (left or ri ght) and
then press the [SET] button. 
7Select the HDD to be removed (Network Disk Recorder: 
MAIN, Extension Unit (x): EXTx) with the arrow buttons 
(up or down) and then press the [SET] button. 
(2)
(1)
Removing  HDDs
(1)
(2)
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							Using the Front Panel for Operations
26
8Select the HDD to be removed with the arrow buttons (up
or down) and then press the [SET] button. 
9Select [YES] with the arrow buttons (left or ri ght) and
then press the [SET] button. 
The HDD stop process  begins and the HDD status indicator
on the extension unit blinks orange. 
The HDD status indicator goes out once the HDD stop
process is complete. 
 If you stop the HDD during recording, recording s witches
to another HDD. Images are not recorded for a fe w
seconds  while recording s witches. If another HDD is not
availa ble, recording stops. 
Press the [SET]  button to return to the time display format
screen. 
10Remove the HDD unit from the extension unit. 
(1) Press the knob on the HDD unit.
(2) Open the lever.
(3) Remove the HDD unit.
Remove the HDD carefully so you do not  bump it (be
careful not to drop it). 
11Close the front cover of the extension unit and lock it by
lig htly pressin g and turnin g the key to the left. 
 Keep the key in a safe place. 
12Check the disk information. 
Check the follo wing content related to the HDD under [Disk
information] on the settings menu of the network disk
recorder. Refer to the net work disk recorders Setup
Instructions (PDF file) for more information. 
 HDD capacity 
 HDD remaining capacity 
 Hour meter 
 Disk operation mode 
 Date range of video recorded on the HDD 
Note:
 You cannot remove HDDs  by opening from the front panel
while operating in RAID5 or RAID6 mode.
 Refer to page 30  when replacing HDD  with errors. 
(3)
(2)
(2)
(1) 
(2)
(1)
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							Using the Front Panel for Operations
27
All the HDDs in one extension unit can  be removed at the same
time. 
Also, refer to the net work disk recorders Installation Guide. 
1Insert the key (included) into the key hole and turn it
while pressin g in g ently to open the front cover.
The followin g operation is done on the network
disk recorder 
2Press the [USE] button for over 2 seconds. 
A  buzzer sounds. 
Press the front panel  buttons according to the directions on
the LCD. 
3Press the arrow buttons (up or down) on the front panel
until [HDD Operation] appears on the screen. 
4Press the [SET] button. 
5Press the arrow buttons (up or down) on the front panel
until [Remove EXT] appears on the screen. 
6Select [YES] with the arrow buttons (left or ri ght) and
then press the [SET] button. 
7Select the extension unit (EXTx) to be removed with the
arrow buttons (up or down) and then press the [SET]
button. 
8Select [YES] with the arrow buttons (left or ri ght) and
then press the [SET] button. 
The extension unit stop process  begins and all the HDD
status indicator  blink orange. 
All the HDD status indicator go off once the stop process is
complete. 
 If you stop the extension unit during recording, recording switches to another HDD. Images are not recorded for a
fe w seconds  while recording s witches. If another device
w ith an HDD is not availa ble, recording stops. 
Press the [SET]  button to return to the time display format
screen. 
9Make sure that all the HDD status indicator on the
extension unit are out, and then remove the HDD units. 
(1) Press the knob on the HDD unit.
(2) Open the lever.
(3) Remove the HDD unit.
Remove the HDD carefully so you do not  bump it (be
careful not to drop it). 
10Close the front cover of the extension unit and lock it by
lig htly pressin g and turnin g the key to the left. 
 Keep the key in a safe place. 
Removin g HDDs by unit
(1)
(2)
(3)
(2) (2)
(1) 
(2)
(1)
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							Using the Front Panel for Operations
28
11Check the disk information. 
Check the follo wing content related to the HDD under [Disk
information] on the settings menu of the netw ork disk
recorder. Refer to the network disk recorder s Setup
Instructions (PDF file) for more information. 
 HDD capacity 
 HDD remaining capacity 
 Hour meter 
 Disk operation mode 
 Date range of video recorded on the HDD 
Note:
 You cannot remove individual HDDs  by opening the front panel 
w hile operating in RAID5 or RAID6 mode. 
 Refer to page 30  when replacing malfunctioning HDDs  with 
errors. 
Set the HDD operational mode. 
The initial setting is [SINGLE mode]. 
This setting is not necessary to us e the single mode as it is set up. 
1Turn off the power switch of the network disk recorder
and extension unit. 
Turn off the power according to Turning Off the Pow er
(page 1 8). 
2Turn on the power for the extension unit (this unit). 
The followin g operation is done on the network 
disk recorder 
3Insert the key (included) into the key hole and turn it
while pressin g in  gently to open the front cover of the
network disk recorder. 
4Set the operational mode with the [RAID] switch. 
5Hold down the [USE] button and turn on the power to
boot up. 
 The settings are enabled at startup. Continue to press the
[USE]  button until the  buzzer sounds. 
Setting the HDDs Operation Mode
 S : SINGLE mode (default) 
 R5 : RAID5 mode
 R6 : RAID6 mode
Important:
 The HDD operation mode cannot  be changed once the
system is operating. Recorded data may not  be read correctly
if the mode is changed after system is operating. 
(1)
(2)
[USE] button [RAID] switch
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							Using the Front Panel for Operations
29
W hen errors occur during RAID5 or RAID6 operation, the HDD errors in the following table are displayed. 
W hen one HDD has errors ([1DO WN]) in RAID5 mode, the data on the remaining HDDs can  be read and recovery is possible. 
W hen two HDDs have errors ([2DO WN]) in RAID6 mode, the data on the remaining HDDs can  be read and recovery is possible. 
W hen any errors occur on an HDD, replac e the effected HDD as soon as possible.
For details refer to the operating instructions for the net work disk recorder.
* Contact your dealer for information on replacing HDDs. 
HDD Error Recovery (Durin g RAID Operation)
Important:
 RAID5 mode
Data cannot  be recovered  when two or more HDDs have errors ([2DO WN]) or  when an HDD has errors during recovery. 
 RAID6 mode Data cannot  be recovered  when three or more HDDs have errors ([3DO WN]) or  when an HDD has errors during recovery.
Information source During HDD Error (Malfunction) Durin g Recovery 
Extension
unit
(extension) LCD 
RAID 1 down: 
[1DO WN] 
RAID 2 do wn: 
[2DO WN] 
RAID 3 do wn (only during RAID6 
operation): 
[3DO WN]  W
aiting to start recovery: 
[RC V START  WAIT] 
During recovery ( writing): 
[RECO VERING **%]
HDD access indicator  Lights red:  Errors have occurred on HDD 
(Data can be recovered by replacing
HDDs) 
 When in RAID5 mode, the first HDD has
errors
 When using RAID6, the first t wo HDDs
have errors
Blinks red: 
Errors have occurred on HDD 
(Data cannot  be recovered even if HDD is
replaced) 
 When in RAID5 mode, the second HDD
has errors
 When in RAID6 mode, the third HDD
has errors Alternating orange/red 
HDD 
being recovered in RAID5/RAID6 
Netw ork
disk
recorder
(main unit) [Error log] 
Refer to the net
work disk 
recorder s Operating 
Instructions (PDF file).  
wn
Main unit: MAIN RAIDm 1 DO WN
Extension unit: EXTu RAIDm 1 DO WN
 wn
Main unit: MAIN RAIDm 2 DO WN
Extension unit: EXTu RAIDm 2 DO WN
 wn
Main unit: MAIN RAID6 
 3 DOWN
Extension unit: EXTu RAID6 3 DO WN
m: Operational mode
u: Unit numb er RAID recovery failure
 Main unit
MAIN RAIDm RECO VERY FAILURE
 Extension unit
EXTu RAIDm RECO VERY FAILURE
m: Operational mode
u: Unit number
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							Using the Front Panel for Operations
30
W hen one HDD errors ([1DO WN]) in RAID5 mode, the data on the
remaining HDDs can  be read and recovery is possi ble. 
W hen two HDDs errors ([2DO WN]) in RAID6 mode, the data on the
remaining HDDs can  be read and recovery is possi ble. 
Note:
When errors (1DO WN) occur in RAID6 mode,  quickly execute 
error recovery. 
1Replace HDD units that have an HDD access indicator
that li ghts or blinks red. 
(1) Press the knob on the HDD unit.
(2) Open the lever.
(3) Remove the HDD unit.
Remove the HDD carefully so you do not  bump it (be
careful not to drop it). 
2Use the HDD numbers of the HDD bay slots as a
g uideline when insertin g the new HDD units into empty
slots. 
Press the HDD unit s removal kno b down and lift the lever,
and then insert it all the  way into the disk slot.
(1) Hook the HDD units tab securely on the
HDD bay slot.
(2) Press the lever down and push the HDD unit until the removal knob clicks.
3The HDD is automatically recog nized and recovery
starts. When recovery starts, the HDD access indicator
blinks oran ge and red. 
On the LCD [RCV  START WAIT] is displayed and then
recovery starts. 
The follow ing is displayed during recovery ( writing). 
4When errors are recovered, the HDD access indicator
goes off or li ghts g reen. 
W hen t wo HDDs have errors in RAID6 mode, data recovery
of the second HDD starts after the first HDD. 
Replacin g Faulty HDD durin g RAID 
Operation
Important:
 Do not turn off the power until RAID is recovered. Data
recovery may not be done normally when the power is turned
off.
(3)
(2)
(2)
(1) 
(1)
(1)
(2)
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