Hmm, I don't see an audio panel. Also, the picture is small, but are there two flags/needles on the CDI (horz and vertical)?
Here's a valid article I just came across regarding IFR flights using VFR GPS.
https://www.flyingmag.com/technique-tip-week-it-permissible-use-vfr-only-gps-while-flying-ifr/
