93 Service Navigation3.1. External HDD (USB-HDD)• Certain non-confirmed USB-HDDs cannot be used with this unit.• If a problem occurs with the USB-HDD, please contact the manufacturer of the device.3.1.1. Connecting the USB-HDDConnect this unit with optional USB-HDD.• Only one USB-HDD can be connected at the same time.• Do not connect additional HDDs using a USB hub.• For details about connection method, refer to theinstructions supplied with the USB-HDD.3.1.2. Disconnecting the USB-HDDPlease use the following procedure to disconnect.Disconnecting without following this procedure may result in the loss of recorded content from the USB-HDD or the internal HDD.1. Press [FUNCTION MENU].2. Select "Setup" in "Others", then press [OK].3. Select "Settings for USB-HDD" in "HDD/ Disc/ USB-HDD", then press [OK].4. Select "USB-HDD Disconnection", then press [OK].5. Select "Yes", then press [OK].6. Disconnect the USB-HDD from this unit.3.1.3. Registering the USB-HDD3.1.3.1. Registering the USB-HDD• If you use a USB-HDD with this unit, the USB-HDD must first be registered on this unit.- Registering of a USB-HDD will format the USB-HDD and all the content already recorded will be deleted.- Up to eight USB-HDDs can be registered on this unit.- Registered USB-HDDs cannot be used with devices other than this unit.• If the registering screen appears when connecting the USB-HDD, go to step 5.1. Press [FUNCTION MENU].2. Select "Setup" in "Others", then press [OK].3. Select "Settings for USB-HDD" in "HDD/ Disc/ USB-HDD", then press [OK].4. Select "USB-HDD Registration", then press [OK].5. Select "Yes", then press [OK].• If you have already registered eight USB-HDDs, it will be necessary to delete one or more of them before registering anew USB-HDD.The message screen appears:1. Select "Yes", then press [OK].2. Select the USB-HDD to cancell, then press [OK]. The confirmation screen appears.3. Select "Yes", then press [OK].6. When the registering is complete, message screen appears.Press [OK].7. The confirmation screen appears.Press [OK].Please use a confirmed USB-HDD.For the latest information on confirmed USB-HDDs, please check the following website.http://panasonic.jp/support/global/cs/