71The SERIAL terminal and eSATA terminal on the rear panelof this unit can be used for additional HDD(s).Also, up to 3 built-in HDDs can be added to increase thecapacity up to 4TB.Note:● For details of compatible additional HDD, consult yournearest JVC KENWOOD dealer or service center. Youcan also check on our website.● For addition of built-in HDD(s), consult an authorizeddealer or a JVC KENWOOD service center.Connecting an External HDDThis section describes procedures to connect a drive to theSERIAL terminal or eSATA terminal on the rear panel of thisunit.1 Press and hold down the [OPERATE] button forabout 2 seconds to shut down the system2 Turn off the power switch on the rear panelCaution:● Make sure to turn off the power switch.3 Connect additional HDD(s) to the SERIALterminal and/or eSATA terminal on the rear paneland switch the power of the additional HDD(s)on● Make sure to switch on the power of the additionalHDD(s) before switching on the power of this unit.Otherwise, the additional HDD(s) may not berecognized. SERIAL terminal eSATA terminal When an External HDD has been addedWhen an external HDD has been added, follow the stepsbelow to format it.1 Turn on this unit2 Click the [Start] button on the desktop3 Right-click [Computer], then select [ComputerControl]The [Computer Control] screen appears.4 Select [Disk Control]5 Right-click the added HDD and select [NewSimple Volume]The wizard will start up.6 Follow the wizard to set drive partitions, etc.Once the wizard is complete, formatting will start.Once the formatting is complete, the drive name isdisplayed and the external HDD is ready to use.Caution:● When an additional HDD is connected, several seconds ofthe recorded image may be lost during archiving.● Note that playing back video recorded in an external HDDsimultaneously on this unit and multiple clients may causedelay in the playback of video images and audio sound.This is not a malfunction and there is no problem with therecorded images. Normal playback will be restored whensimultaneous playback stops or when the number ofdevices playing back at the same time decreases.Note:● It is recommended that a UPS be used to ensure stableoperation of the system. (A Page 123 "Using UPS")● You are unable to view recorded images on the computerby disconnecting the external HDD from this unit andconnecting it to the computer.Adding an HDD