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Program Codes for the Universal M7820 Remote Control

Last Updated: Fri, 19 Aug 2011 > Related Articles

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Follow these steps to find for a code for a device using the Cox DVR Universal M7820 Remote Control.


If a home entertainment device does not respond to the Cox DVR Universal M7820 Remote Control after trying all of the codes listed in the list of manufacturer's codes for your brand, or if your brand is not listed at all, try searching for your code.

For additional information on programming the Cox DVR Universal M7820 Remote Control for a home entertainment device, refer to Program the Cox DVR Universal M7820 Remote Control for a TV, DVD, VCR, or Stereo Receiver.

Cox DVR Universal Remote Control

To search for a code for a device, perform the following steps:

Turn on the device that you want the remote control to control.

On the remote control, press, once, the mode button for which you want to program Volume Lock.

Type of DeviceMode Button
Stereo amplifier or receiverAUX

Press and hold the SETUP button until the selected mode button blinks twice, then release the SETUP button.


Using the number keys, enter 9 - 9 - 1

Result: The selected mode button blinks twice.


Aim the remote control at the device, and then press the POWER button once.


Press the CH+ (or CH-) button one or more times until the device turns off.


  • In search mode, the remote control sends IR codes from its library to the selected device, starting with the most popular code first.
  • If, while pressing the CH+ button, you inadvertently pass the code, press the CH- button one or more times until the TV turns on.

Press the SETUP button once to lock in the code.

Result: The selected mode button blinks twice.


To search for codes for other devices, repeat steps 1 through 7.

All steps complete.

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