On Mon, Nov 19, 2018 at 10:42 PM, David Kuhn wrote:
There is a small hole in the rear panel. If you insert a tooth pick or any other thin rod
or screwdriver and push a little to activate the switch the scope and hold it while
you power up the scope it should boot up in adjustment mode and there will also
be a menu item to do a factory reset.
I don't know though if it will boot with blank or corrupted RAM chip but it could be
worth a try.