Panasonic HX-WA2A Owner's Manual page 141

≥ If you are unsure whether or not the TV and AV amplifier you are using
are compatible with VIERA Link, read the operating instructions for the
devices.
≥ Available linked operations between this unit and a Panasonic TV is
different depending on the types of Panasonic TVs even if they are
compatible with VIERA Link. Refer to the operating instructions of the
TV for the operations that support on the TV.
≥ Operation is not possible with a cable that is not based on the HDMI
standard.
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