Philips Magnavox 42MF438B - Manual (Page 34)

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11. Notes for the use of USB devices
Digital Content Issues
Only FAT (DOS) formatted (initialized) portable memory is •
supported. Errors in this formatting can result in unreadable
content. If such problems appear try to re-format the card. Be
aware that formatting the card will also delete all the content on it
(pictures, music, …).
The length of a filename or directory name is limited to the length •
specified by the FAT16/32 file systems.
The access and response time of the content on a device can differ •
depending on the type or brand of the device.
The access and response time of the content on a device will •
increase the more unsupported or corrupted files are on the
device.
USB Memory Device Issues
Devices connected to the USB port of your TV must be “Mass •
Storage Class” compliant. If your device is not “Mass Storage
Class” compliant it will not be detected by the content browser of
the TV.
The following subsets of the Mass Storage Class specification are •
supported:
The implementation of the TV is based on the “Universal Serial •
Bus Mass Storage Class Specification Overview” (v1.2, June 23,
2003) including all documents referenced by the document. The
document can be found on the USB standardization website
(www.usb.org).
Full support of the USB Mass Storage Class Bulk-Only Transport •
(bInterfaceProtocol = 50h).
Full support of SubClass Code = 05h; SFF-8070i spec. •
Full support of SubClass Code = 06h; SCSI transparent •
command set.
For large USB memory devices, when you are in the Content •
Browser, it may take a long time before you can access your files.
When using a USB portable hard disk: Due to the high power •
consumption of the hard disk, it is advised to use the external
power supply of the portable hard disk to guarantee proper
working under all conditions.