When you press buttons on the remote, the selected mode button at the top of the remote (Cable, VCR, etc.) should flash once red.
If your remote is flashing twice or more this will indicate the batteries are low and should be replaced.
If the remote does not flash at all, the batteries may be dead and will need to be replaced.
If the buttons light up but the receiver is not responding:
If the receiver is still unresponsive, the remote might be defective. Please call the Technical Support to have a replacement remote sent if necessary. Fees may be applied if the remote control is not guaranteed.