I have been having a similar problem. I can record one programme at a time (via external HD), either by live recording or setting it to record in advance. However when I go to change to another channel when live recording I get the message that this will stop current recording. If I select for example NETFLIX there is no problem. Does this product really have twin tuners!? (as advertised). The very detailed instructions from Samsung somehow do not seem to indicate how the twin tuners actually operate.
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