1. What you were doing before it froze up.
Scrolling through some menu or other
2. Which Mode you were in (e.g. Vector, Sectionals, etc)
Sectional
3. How long the device had been ON prior to the freeze up.
15 -20 min
4. How long you have used the device total (estimate #Hours) without Lock-up.
1 hr
5. Which device type you have -- 700 or 720.
700
6. Software version #. (e.g. 7.0.16b)
7.0.16b
7. Anything else that comes to mind.
This has been happening with the previous software as well; the screen freezes, none of the buttons work, and I have to unplug and power up again to get functionality.