FreqScopeView: Viewing several busses?

Questions
1

For a startup file I write the following:

(
// Freq Scope
~w2 = Window.new("Freq Scope", bounds: Rect(75, 550, 510, 360));
~freqScope = FreqScopeView.new(
	parent: ~w2,
	bounds: Rect(5, 5, 500, 350),
	server: s
).active_(true).freqMode_(1).inBus_([0, 1]);
~w2.onClose_({ ~freqScope.kill });
~w2.front;
)

Why is it not possible to see both sines in Bus 0 and 1 in the FreqScope when I play:

x = { SinOsc.ar([220, 880]) * 0.1 }.play
x.free;

Thank you in advance =)

2

I think FreqScopeView can only show 1 bus, not an array of busses.
You could mix the signals together to see them both:

x = { SinOsc.ar([220, 880]).sum * 0.1 }.play