Specifications (Extract of the data sheet, see "Downloads" tab)

in Surround modes (with SW20001):
   - Display modes:   Normal mode with 3.1, 5.0, 5.1, 7.1 formats for each channel pair
     LFE mode with 5.1, 7.1 formats to display the correlation between each single channel and LFE channel
   - Display: red: negative range,
white: "0" range,
green: positive range