Just finished updating the software in the 1197. Reset the factory defaults and sitting in the driveway, the 2D function seemed to be working properly given that it isn't sitting in the water. Given the weather tomorrow, I will try to get it to the lake and test it in it's intended environment.
Sorry for the delay on post the real results. I went and did some testing after the firmware update and reset the defaults. All worked well. The boat was maintained in a depth of 5 ft or less and did not have any screen clutter or lockup issues.
After about 30 minutes of testing, I started to adjust settings to my preferences and still no issues. So, if you are having issues with a unit that is new out of the box, make sure to update the firmware first. For the 1197 Si guys, the version is 4.22. If you are not setup on the HB site and need this update, let me know and I will send it to you.