HA2NON
Thank you for that information, Norbert. Very clear and rapid response.
My error in not researching this more thoroughly. I assumed a newer version (OpenSpot4 vs OpenSpot3) would keep the same capabilities as the previous version. So this was my error. But nevertheless very disappointing to have to find this out after purchasing. Perhaps the OpenSpot4 manual could be revised to keep future purchasers from making this same mistake.
73, Mark WA9IVH