On Jan 4, 2021, at 6:41 PM, Ken via Elecraft <elecraft at mailman.qth.net> wrote: > Will the K4 Band Scope support line only (eg. no fill) wave forms, like the P3 ? Yes. There are multiple selections for spectrum fill including OFF. > What external monitor resolutions are supported by the K4 ? 4K (3840 x 2160) > > W8KEN - Ken >