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Hi, I recently purchased a Picoscope 2207.
There seems to be something wrong with the measurements.
When measuring a standard USB bus, the output on the screen looks like a sin wave (goes negative as well).
Voltage is also close to 12volt.
I don't understand this.
I am using the PP821 probes.
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You will see a sine wave by default if the PicoScope software hasn't detected the 2207 and is running in demo mode.
To see if this is the case go to Help->About and check the Model: SerialNumber: and DriverVersion: information.
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