DSO138mini works, but cannot change settings

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notsgnivilk
Posts: 1
Joined: Sat May 18, 2019 6:36 pm

DSO138mini works, but cannot change settings

Post by notsgnivilk »

I get a nice square wave with both the built-in source and an external signal generator and a nice sine wave with the external generator. The waveform data all seems to be correct.
Most of the switches and switch combinations do what they are meant to do, except I cannot change the time base (locked at 1ms) or any other parameters with the + and - switches.
What does the oscilloscope mode switch do? It seems to do nothing.
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