Universal Remote Control URC-A6 Owner's Manual page 20

STEP 2: Press the VOLUME UP button and then
press either the TV or AUDIO component button
that you want to use for volume. The Component
LED light will blink three times to confirm that it is
saved. This sets up three buttons (Volume Up,
Volume Down and MUTE) as a group for that
component.
VOLUME
UP
Repeat Steps 1-2 for all other components.
Note: SimpleSound is what's technically
referred to as a "Punch Through" feature and is
not limited to volume control. It can also be
applied to other groups of buttons. If you find
yourself switching to a particular component
mode frequently to access a particular control,
consider using "Punch Through".
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