TV Support
Set the Volume Lock for the Cox DVR Universal M7820
Last Updated: Mon, 11 Apr 2011 > Related Articles
Summary
Set the Cox DVR Universal M7820 to control the volume of a device.
Solution
Overview
The Cox DVR Universal M7820 Remote Control is set to control the volume of a device:
- Through your TV while in TV, DVD, or Cable mode
- Through the auxiliary device when in Auxiliary (AUX) mode
Change the Volume Lock setting if:
- The TV cannot be controlled with a remote control.
You want the volume to be controlled by a device not associated with the current mode.
For example, you can set the remote control to control the volume through the cable receiver when in TV mode.
Volume Lock affects the following buttons:
- VOL+
- VOL-
- MUTE

Cox DVR Universal Remote Control
To program the Volume Lock, perform the following steps:
Note: Performing these steps to program Volume Lock for AUX mode allows you to access the volume control for the auxiliary device in all modes.
| Type of Device | Mode Button |
|---|---|
| Television | TV |
| Stereo amplifier or receiver | AUX |
| DVD, PVR, VCR | DVD |
| Cable receiver | CABLE |
Using the number keys, enter 9 - 9 - 3.
Result: The selected mode button blinks twice.
Press the mode button once.
Result: The selected mode button blinks twice. The Volume Control is set.
All steps complete.
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