15● Basic SetupSetup to the SINGLE modePerform the following to set up the unit to the SINGLE modefor the first time.1 Power OFFConfirm that the power of the recorder and the exten-sion units are turned off.2 SINGLESet the MODE switch inside the front lid of the extensionunit to SINGLE.3 Turn on the power switch of the extension units.4 Turn on the power switch of the recorder.→ The recorder will start.5 HDD SAFETY MODE OFF"HDD SAFETY MODE" menu will open after completingthe system check. Select OFF on the menu and pressthe SET button on the recorder’s front panel.→ The recorder will restart.Notes:• It will take about 3 or 5 minutes to complete the sys-tem check.• When the system has been already run, "HDDSAFETY MODE" menu will not appear. Skip to step6.6 HDD DISK MENU will appear when the system check iscompleted.Perform formatting on the menu.Refer to "■ Formatting the Hard Disk" of the operatinginstructions of the recorder.■ Setup ProceduresThe following pages describe procedures on how to set up or change the disk mode, how to recover data in RAID5, orhow to check the unit number using the HDD SAFETY MODE.Notes:• Refer to the operating instructions of the digital disk recorder WJ-HD316A/WJ-HD309A series for setup menu opera-tions.• The MODE switches of all units in a system should be setto the same position, SINGLE or RAID5.• The HDDs should be installed in the proper positions in theorder as shown in the figure. Do not skip or reverse theorder of the HDD positions. Otherwise, the recorder will notrecognize the extension unit.• Do not change HDD positions of the extension unit after once the system has been operated. Otherwise, it will beimpossible to read the recorded data.• The power-on order should be the extension units first and then the recorder. The power-off order should be therecorder first and then the units.• At least, three hard disk drives per extension unit are needed to run it in the RAID5 mode.Digital Disk RecorderWJ-HD300A HDD DISK MENUTOP MENUFORMAT MIRROR ON REMOVE LINK RESTART EXITMIRROR OFFInformation of recording areas : [SETUP/ESC] OK : [SET]160GB160GB160GB160GB*(160GB)ADD (160GB)160GBLOSTMAINEXT1EXT2EXT3EXT4EXT5EXT6EXT7160GB160GB160GB160GB*(ERROR)ADD (ERROR)160GB-160GB160GB160GB160GB160GB160GB-160GB160GB160GB160GB160GB160GB-- -1 2 3 4SINGLE RAID5MODESETHDD 2HDD 1HDD 4HDD 3POWER