Samsung UN55D6000SFXZA - Manual (Page 242)

◀ ▶
English
● If the USB device has failed the Device Performance Test , the USB device
must go through the Device Format and Device Performance Test again
before you record with the Guide or Channel .
● The Timeshift functions can only be used with a USB storage device that
completed the Device Performance Test .
● If you attempt the recording or Timeshift function with a device that did not
have the Device Performance Test , the function will not start.