Matrix orbital +saitek pc gamers keyboard and key mappings

[AJB2K3]

I trying to use a MX212 Display but im getting no joy, all i see is the custom boot image i put on it on xpee.
But on both the MO display and the keyboard ive got additional keys that XEV is not seeing.
Both are UBS devices but how do i logg and tag these hidden keys?

[AJB2K3]

These are some of the normal keys
keycode 116 = right win key
keycode 174 = volume up
keycode 176 = volume down.
keycode 160 = Mute/unmute

How do i assign them to the function in red?