Please can anyone tell me how does it nean "U" in the internal display of my tds520?I don't know what's is the problem with this item that power up but with processor fault,acq fault. Please i can't ind what is wrong. thanks.
Please can anyone tell me how does it nean "U" in the internal display of my tds520?I don't know what's is the problem with this item that power up but with processor fault,acq fault. Please i can't ind what is wrong. thanks.
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