dso 138: shows trace but does not respond to any signal

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MadDHatter
Posts: 7
Joined: Wed Jun 28, 2017 12:38 pm

dso 138: shows trace but does not respond to any signal

Post by MadDHatter »

im having trouble with my DSO 138
it has a trace and works almost perfectly fine
i inserted 9v power battery to this scope and it shows the trace
but later on it doesnt respond to any signal i test the in build signal and it does not respond

but later on i find out it shows signal in 10mv in ac cpl,
but it does not show frq and voltages in the upper right of the screen
can you help me with this? :D thankyou!
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