Samsung UE19D4003BW E-Manual page 66

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No-Signal Power Off (Off / 15 min / 30 min / 60
To avoid unnecessary energy consumption, set how long you want the TV to
remain on if it's not receiving a signal.
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Auto Power Off (Off /
user operation is received for 4 hours.
◀
On): The TV will be automatically turned off when no
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min):
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