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SB600 Speedlight Flash Unit Problem

I have the SB-600 unit. It's seems to be stuck in the manual zoom mode and I cannot figure out how to get it back into the power zoom mode. Has anyone experienced this and can you help me get it back to the power zoom mode?

I have:
reset the flash via the Mode + | buttons
tried to turn the zoom on and off via the CSM menu
tried to press the zoom button multiple times to get the "M" to go away, all to no avail.

I did get something new when playing with the CSM menu, but the zoom (mm) readout just kept flashing.

When I first got the flash unit, the (mm) readout was steady and the "M" was not illuminated.

I feel foolish, but I can't figure this out.