I don’t know that he has ever used one of the DI sonar units, but Dr. Jason Halfen has some videos on his web site where he has used a 385ci unit for ice fishing:
Instructional articles for Humminbird Side Imaging sonar units
You could use just the conventional sonar for similar results.
Now as far as “safely” ice fishing… the only ice I like when fishing is in the water I drink! The display should be fine.