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Program the Channel Control Lock on the Universal M7820 Remote Control
Last Updated: Mon, 06 Aug 2012 > Related Articles
Summary
Use this article to deactive the Cox DVR Universal M7820 Remote Control Channel Control Lock.
Solution
Overview
By default, the remote control’s channel-control capabilities are locked to work only with the cable receiver. Channel Control Lock affects the following buttons on the Cox remote control:
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The buttons are locked so that you do not inadvertently change a channel on your TV or VCR. This article describes how to:
- Deactivate Channel Control Lock to allow full access to these keys in the TV and VCR modes.
- Reactivate Channel Control Lock to control only the cable receiver.
Note: This feature does not affect the AUX mode.

Cox DVR Universal Remote Control
To deactivate Channel Control Lock and allow the remote to change channels in TV or VCR mode, perform the following steps:
Using the number keys, enter 9 - 7 - 3.
Result: The CABLE button blinks twice.
Press CH- once.
Results:
- The CABLE button blinks four times.
- Instead of operating the cable receiver's channel tuner when in TV or VCR mode, the remote's channel control buttons now operate the TV or VCR channel tuner.
All steps complete.
To reactivate Channel Control Lock so the remote controls only the cable receiver, perform the following steps:
Using the number keys, enter 9 - 7 - 3.
Result: The CABLE button blinks twice.
Press CH+ once.
Result: The CABLE button blinks twice, indicating the remote's channel control buttons are locked to the cable receiver's channel tuner. This is the default setting.
All steps complete.
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