Harman KARDON CITATION MULTIBEAM 1100 Owner's Manual page 59

Remote control
The remote control does not work.
• Check if the batteries are drained. If so, replace them
with new ones.
• Reduce the distance and angle between the remote
control and the main unit.
Failed to complete the TV remote control learning
• Check if you are using an infra-red TV remote control.
The IR learning is not supported by a Bluetooth TV
remote control.
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