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It controls the volume but won't turn on or off. It's a Panasonic Sounbar and the DTV remote pairing even find the actual Model number.
Correct, the RC7x remote control can't power any audio device on or off. Any chance to control power must rely on HDMI-CEC
Have you tried to program your soundbar remote to control both your TV power and volume and your soundbar. That works for me
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