My DVR+(CM-7500) 2nd generation remote (CM-7500XRC2) control works with the TV but not with the DVR+(CM-7500).

DVR+ remote CM-7500XRC2.

Clear all user presets and set to factory default configuration.
1. Press and hold the Setup button until it blinks 2 times, then release and press 980. The power button should now blink 4 times.
2. Press and hold the Setup button until it blinks 2 times, then release and press 977. The power button should now blink 4 times.
3. Test the remote operation. If no response, proceed to #4.
4. Repeat step 2 and test. May take up to 4 times.

Unless you have a Samsung TV, you will need to set up the remote to control your TV again. 

You can find the Quick Start Guide and complete User Guide here
If for some reason this did not help, please contact the Channel Master Support team.

 

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