Check 'Signal Strength' and 'Signal Quality' with my CM-7004.
- Press Menu on your CM-7004 Remote Control.
- Select 'Settings'.
- Press the Green button to access the 'System' settings.
- Navigate to Antenna Signal level and Select it.
- You will now see both the "Signal Strength" and the "Signal Quality".
- If either of these are fluctuating, you could see pixelization artifacts in the picture.
- Press the Green Button when you are done.