Hi.
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> Can you push the jog button to the side (NOT down) and restart the device? This should restore the normal scan display
I did, but it doesn't change the situation.
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> Did you connect CAL and RF with a short coax cable when doing the self test?
Yes, I took a picture of that too
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At the moment it seems that the fault is with the hardware, can the hypothesis be tested ?
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Sincerely,
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g.
Gerd