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Forum Need help with Multicomp Pro PC Oscilloscope MP720016US (Update: It's working!)
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  • multicomp pro oscilloscope
  • troubleshooting
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Related

Need help with Multicomp Pro PC Oscilloscope MP720016US (Update: It's working!)

rsjawale24
rsjawale24 over 2 years ago

Recently I ordered a PC oscilloscope as the poroject14 prize from 555 timer madness contest. I have always wanted to own a oscilloscope, been trying since 2017 and finally I own one. This is my first ever oscilloscope sore really excited about it!!

But I'm facing troubles getting it to work.

I followed the instructions in the manual, installed the drivers correctly, the USB scope is identified by windows device manager, however when I try to check for waveforms, there's nothing displayed.

As per the manual, I tried to use the probe compensation, and clicked in auto-set to auto set the scope window, however it gets stuck forever at this point as shown in image below.

I tried reconnecting, reinstalling drivers, but nothing seems to work.

Have you used this device before? Any help on how to make this work is appriciated.

image

UPDATE: The scope's working fine now. I had to install the drivers from Owon website and change the software as well. I'm using the software from Owon. The scope seems to be working fine now.

Will post a detailed blog on my tests with the Scope soon. Really excited about my first scope and can't wait to do lots of pending projects!

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Top Replies

  • rsjawale24
    rsjawale24 over 2 years ago +7
    Thank you everyone for the help! The scope's working fine now. I had to install the drivers from Owon website and change the software as well. I'm using the software from Owon. The scope seems to be…
  • baldengineer
    baldengineer over 2 years ago in reply to ralphjy +6
    Here's an extensive list of things I like about the software: [This list intentionally left blank]
  • Gough Lui
    Gough Lui over 2 years ago +3
    I would personally try a different computer with a different USB controller. Also avoid using any hubs along the way, use a quality cable. I've had issues previously where certain pieces of test equipment…
Parents
  • baldengineer
    baldengineer over 2 years ago

    Sounds like you either have a hardware or driver problem.

    image

    That's what my MP720016 looks like when the software launches. (With the traces showing noise.)

    image

    image

    That's how the driver appears in Windows 10 device manager.

    Note, I have other libusb32 devices (and drivers). DS-Wave (C2, not S2!) didn't like them! I had to use the usb_device.inf that came with the Multicomp software. I installed it through Update Driver -> Browse List -> Have Disk.

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  • Jan Cumps
    Jan Cumps over 2 years ago in reply to baldengineer

    One thing I see, is that rsjawale24  has trigger active for both channels ...

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  • baldengineer
    baldengineer over 2 years ago in reply to Jan Cumps

    Good catch. On my mine, I can set the trigger to "Alternate," which (I guess) alternates between Channel 1 and 2. The UI looks the same as rsjawale24's.

    Auto sweep still updates the display, and Auto-Setup works as expected.

    That said, rsjawale24, you might try doing a default setup:

    image

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  • rsjawale24
    rsjawale24 over 2 years ago in reply to baldengineer

    I just did a factory reset of the software as suggested in the manual. The trigger for both channels comes automatically when factory reseted.

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  • baldengineer
    baldengineer over 2 years ago in reply to rsjawale24

    It's normal for both channels to be active (on), but the default trigger is Rising Edge on Channel 1 at 0V.

    Perhaps there's a problem with the trigger circuit, and the software is getting stuck trying to configure it. If the Owon software does the same thing and both "see" the oscilloscope, I would lean toward a hardware issue.

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  • baldengineer
    baldengineer over 2 years ago in reply to rsjawale24

    It's normal for both channels to be active (on), but the default trigger is Rising Edge on Channel 1 at 0V.

    Perhaps there's a problem with the trigger circuit, and the software is getting stuck trying to configure it. If the Owon software does the same thing and both "see" the oscilloscope, I would lean toward a hardware issue.

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