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Introduction of dual-tuners
In 2003 many Satellite and Cable providers introduced dual-tuner DVRs. These
machines have two tuners within the same receiver to operate independently of
one another. The main use for this feature is the capability to record a live
program while watching another live program simultaneously or to record two
programs at the same time while watching a previously recorded one. Some
dual-tuner DVRs also have the ability to operate two separate television sets at
the same time. The PVR manufactured by UEC (Durban, South Africa) and used by
Multichoice has the ability to view two programs while recording a third using a
triple tuner. With some machines, such as the Scientific Atlanta 8300DVB PVR, it
is possible to view one program whilst recording two other programs according to
the users preference.
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