1 / 19

Sometimes you want to see how things change with time

Sometimes you want to see how things change with time. Electrical activity is invisible, unless you know how to look at it. How do I turn it on?. Wait for a while as it goes through a self test. Analog vs. Digital.

ccressey
Download Presentation

Sometimes you want to see how things change with time

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Sometimes you want to see how things change with time Electrical activity is invisible, unless you know how to look at it.

  2. How do I turn it on? Wait for a while as it goes through a self test.

  3. Analog vs. Digital Sometimes you want to know the analog details, other times you just want to know the logical interpretation. 2 analog channels 16 digital channels

  4. We'll Start with the Analog Section

  5. See something quick and simple • Reset all settings to default. Hit Save/Recall, then Default Setup. • 2) Connect probe(s) to Probe Comp, then hit Autoscale Do this whenever settings get messed up

  6. Push down on the top part to expose the little hook.

  7. Experiment with Vertical and Horizontal controls. Adjust slowly to observe effect.

  8. What's this triggering stuff? You want a repetitive signal to appear to stand still. • Auto • free runs. Good for seeing if something is happening. • Normal • Only triggers. If trigger level isn't set right—you see nothing!

  9. Start with Auto (free running) triggering, then go to Normal Press Mode/Coupling key Cycle through modes with first Softkey

  10. Auto triggering Animated, make sure full screen! Normal triggering

  11. Digital Section

  12. Enable one or both digital inputs Disable analog display by double clicking buttons 1, 2.

  13. After you're sure that you seeing something Set trigger to a digital channel (probably). What you trigger on depends on what you're looking for. If you're counting, trigger on D7.

  14. Saving Display to Disk • Insert floppy disk • Press Utility key • Print Configuration • Print to:  disk • Format  bmp (probably) • Press Quick Print.

  15. Notes on Autoscale Autoscale works good on signals like this: Not so good on signals like this: If you hit autoscale on a signal like the latter, you might get something like this: The signal you're looking for is actually here, but it's way off scale This is noise

  16. Recovering from Autoscale Either: Hit Autoscale, then undo Autoscale or Set gain to reasonable value (say 10 V per division) Keep line visible Move trigger level to reasonable value

  17. OK, I fiddle knobs till I see what I want. Is there more? Of course! 200 microseconds per division 1 volt per division trigger voltage 0 volts (ground) becsuae of the little symbol in the margin, NOT because it's the bottom of the trace.

  18. Remember … when things get all messed up! Start over by resetting all settings to default. Hit Save/Recall, then Default Setup. If things still aren't working POWER DOWN and restart the COMPUTER.

  19. You've got the basics For additional details and capabilities, go to the manual. There should be some lying around, if not ask your instructor.

More Related