In the SPG422+ can digital silence and test tone functions be assigned to each of the channels+ or is it a function that works for all channels at the same time?

In the SPG422+ can digital silence and test tone functions be assigned to each of the channels+ or is it a function that works for all channels at the same time?

All audio settings may be applied on all channels simultaneously or on individual channels . This applies to the direct outputs and the audio embedded in the serial digital video output.