UV meter in RS150

I m using RS150 firmware 4.4.02
I find that the UV meter is missing when I use ext. USB DAC out
If I use int DAC or RC out it can show UV meter.
How to solve is .
As pass I use the old firmware it can show the UV meter .

@htcosk

Hello,

We have an issue that when you’re using USB output, VU meter disappears.
We are working on it, I apologize for the inconvenience.
This issue will be fixed in the next update.

Thank you