Grass Valley VM 3000 System Controllers v.7.4 - Manual (Page 579)

Software Control Panel Suite
7−15 VM 3000 Installation and Operating Manual
LEFT
RIGHT
LEFT (Left + Right signals on Left channel)
D
REVERSE− Cross opposite channel signal over to this channel
RIGHT
LEFT (Right signal on Left channel)
4. Toggle the right channel to the desired mode:
D
NORMAL−use right audio for this channel
RIGHT RIGHT (Right signal on Right channel)
D
MIX− Mix left and right on this channel
LEFT
RIGHT
RIGHT (Left + Right signals on Right channel)
D
REVERSE− Cross opposite channel signal over to this channel
LEFT
RIGHT (Left signal on Right channel)
5. Press TAKE.
A letter “M” (mix) or “R” (reverse) will appear in the Levels Status display.
To clear the special mode, perform another switch (with the Audio Modes button off).