RUSSOUND KEYPAD B ROOM ON $B5, RUSSOUND KEYPAD B ROOM OFF #B5,?| RUSSOUND KEYPAD B SOURCE 1 $B5,>> RUSSOUND KEYPAD B SOURCE 2 #B5,>|>| RUSSOUND KEYPAD B SOURCE 3 $B5,>> RUSSOUND KEYPAD B SOURCE 4 #B4,>| RUSSOUND KEYPAD B LIGHT #B5, RUSSOUND KEYPAD B VOL UP #B5, RUSSOUND KEYPAD B VOL DWN $B4,