Philips 24PFS5863 User Manual page 14

The USB Hard Drive is formatted exclusively for this
TV, you cannot use the stored recordings on another
TV or PC. Do not copy or change recording files on
the USB Hard Drive with any PC application. This will
corrupt your recordings. When you format another
USB Hard Drive, the content on the former will be lost.
A USB Hard Drive installed on your TV will need
reformatting for use with a computer.
To format a USB Hard Drive...
1 - Connect the USB Hard Drive to one of
the USB connections on the TV. Do not connect
another USB device to the other USB ports when
formatting.
2 - Switch on the USB Hard Drive and the TV.
3 - When the TV is tuned to a digital TV channel,
press  (Pause). Trying to pause will start the
formatting. Follow the instructions on screen.
4 - The TV will ask if you want to use the USB Hard
Drive to store apps, agree to the question if you do.
5 - When the USB Hard Drive is formatted, leave it
connected permanently.
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