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If your channels are changing on their own, the receiver is probably being affected by UHF interference.

UHF Overview

UHF remotes enable you to control your receiver from a long distance. For instances where your channel changes on its own, it might another remote (e.g. neighbour’s) communicating with your receiver.

The method of troubleshooting this issue will vary by receiver and remote. Check Remote Control Overview for your remote’s user manual.

Disabling UHF

For receiver that has good line of sight to your remote.

Disabling UHF will prevent external signals from reaching your receiver. You will however have to point the remote directly at the receiver when using it.

To disable UHF:

  • If your receiver has a small metal antenna with a ball at the end, simply remove it.
  • If it does not have an antenna, change the UHF settings by going to Preference > Hardware Settings.

Changing Remote Control Address

For receiver that does not have a good line of sight to your remote (hidden in a cabinet, behind the TV, etc.).

Troubleshooting steps:

  1. Move the receiver temporarily where it will have a line of sight.
    • You can also move closer to the receiver while troubleshooting.
  2. Disable the UHF using the steps above.
  3. Change the remote address.
  4. Once complete, you can re-enable UHF and place the receiver back where it was before.

This will maintain the UHF communication between the remote and receiver; tying them exclusively to each other.