If a channel scan is not showing local channels, ensure that your TV or device is set to the correct input source and that the antenna or cable connection is secure. Check that the antenna is properly positioned, as placement can significantly affect reception. If using an antenna, consider adjusting its position and doing another scan. Also, verify that your device is set to scan for all available channels, including over-the-air ones. It may help to reset the device to factory settings and try the scan again.
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