Hi guys
I've bought a used CNT-90 from e-bay.
Really liked the counter but...
It came with standard (ucxo) timebase.
For a counter with 12 (14) digits, it's no good.
So, I've bought a Morion MV 197, removed the original ucxo and installed the MV 197.
Then I've used the configuration software available at KO4BB site to reconfigure the counter.
It changed the ID (now it's a Fluke PM6690), but the ocxo is now recognized.
The problem is: I can't calibrate the MV 197!
Using the User Options -> Calibrate -> Timebase -> 10MHz -> Start gave me "Impossible to calibrate timebase. Bad reference signal?"
Any ideas?
Other problem: FW version is 1.09. I've found 1.28 at Spectracom site (It's a Pendulum app). I've tried to apply the new FW via GPIB bus. It uploads the new FW and apply almost to the end, then, without any error message, undo all and revert to the original 1.09.
Anyone has any idea?
Thanks