Samsung UN55ES8000GXZE - Manual (Page 655)

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.
●
If any function that turns off the TV
( Sleep Timer , Off Timer , etc.) is set for
a time that conflicts with recording,
the TV will be turned off once the
recording is complete.