Universal Remote Control MX-500TM Operating Manual page 33

You can use the audio receiver volume control in a
different mode (for example, Audio receiver Volume Up
and Volume Down and Mute in Satellite mode) using the
volume punch through feature. You can also have channel
punch through (Channel Up, Channel Down) as well as
eight VCR (or DVD) transport buttons (Play, Stop, Fast
Forward and Rewind, Skip-, Skip+, Pause, Record) operate
in another mode such as in Satellite, Cable and Audio
modes.
1. Go to the SETUP mode by pressing the MAIN and
ENTER buttons simultaneously for three seconds.
2. Press the PUNCH button next to the LCD screen.
3. Press the VOL button on the LCD for Volume Punch
Through, the PLAY button for Transport Punch Through
and the CH button for Channel Punch Through.
4. Select the device you wish to punch through to (1st
device example - Television or Cable box.)
5. Select the device you wish to punch through from (2nd
device example - Audio receiver.)
You are punching through the controls of the second device
to the device that is currently being controlled by any other
buttons.
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