Removals Trace during measuring

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Lubos
Posts: 1
Joined: Thu Dec 27, 2018 12:42 pm

Removals Trace during measuring

Post by Lubos »

Hello everybody,
in the course measuring am on probe switch damping from 10X to 1X. From at that time oscilloscope non - shows none trace external signal, or test signal. I’m check out "Reset" and factory setting. Look at photo displaies. Value measured on choice check points :
V - : -4,97V
V1 : -1,88V
V2 : -1,27V
AV- : -4,17V
Input voltage : 8,98V
Attachments
DSO 138.jpg
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