Samsung PN51E490B4F E-Manual page 129

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On: If you select On, the TV will automatically download new upgrade
software when it is in Standby mode with the power off. If it downloads
new upgrade software, the TV will ask you if you want to install it when
you turn the TV on.
To use the
N
the Internet.
◀
Standby Mode Upgrade
function, your TV must be connected to
English
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