Why does my DVR+(CM-7500) have bad reception on some channels?

This could be caused by interference from another device (e.g. mobile phone, set-top box etc.). Move any such suspected device further away from the DVR+(CM-7500) or the coaxial cable from your antenna. The interference received will become weaker because of the increased distance. If poor quality coaxial cable or connectors have been used for your antenna, replace them with higher quality ones, ensuring that they have the correct impedance (75 Ohm). Should you suspect a problem with your antenna installation, we recommend that you contact your installer.

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