Pico Technical Support and Discussion Forum

Dave Hill · User Joined: 22 Jun 2007 Posts: 4

After several months of playing around with R6 I have to say, I find it a great step forward. The feature I like most is the freehand zoom that allows you to select the area of interest in exactly the way you want it. It takes a bit of practice, but once you get the hang of it, you can manipulate the capture so that it works for you.

Here is an animation of a Cam vs Crank (Vauxhall/GM AC exited type). This was taken, using all four channels. A & B were used for the dual AC cam sensor signals. Channel C was used for the crank sensor & channel D was used as the trigger point on cylinder 2 secondary ignition.

I think that the detail is incredible & very easy to manipulate to you own liking. (Its a large file, so give it time to load! Confused

)

I am looking forward to the final release of this software so that I can really get stuck in!

Cheers now

Dave (Hill)

davidj · Posted: Mon Aug 06, 2007 12:35 pm Post subject:

Hi Dave
Wow, what an entrance to the forum! I'm glad you are getting to grips with R6. The animated waveform is really effective in detailing the zoom feature... Cool

Please check out the new release of R6.

Dave Hill · User Joined: 22 Jun 2007 Posts: 4

Hi Dave & thanks. Very Happy

Can you post the link to the latest Beta version. I always struggle to find it.

Maybe I have had too many beers Shocked

Cheers now

Dave (Hill)

davidj · Posted: Thu Aug 09, 2007 8:16 am Post subject:

Hi Dave

Reaised you likely have the latest R6.0.8 which is know to have a few bugs Rolling Eyes

Sorry about that. If you wait until next week there will be the much improved 6.0.11 available from here -

http://www.picotech.com/software.html

Cheers for now.

Dave Hill · User Joined: 22 Jun 2007 Posts: 4

Hi Dave

I finally got my hands on the latest version 6.0.12. Is this now the final release & not a BETA version? I like the new axis-scaling feature. Also the maximum frames that can be buffered is now increased to 1000.

Good work guys!

Dave (Hill)

Autonerdz · Posted: Tue Sep 18, 2007 3:29 pm Post subject: New Version

Hi Dave,

You say 6.0.12? You had me going there, thought there was another release I had missed. I believe the latest is 6.0.11.2

I had not noticed the increase to 1000 frames, but then I never have the sample rate turned down that far to even get more than 65 frames anyway.

I really like this new version and the many new features it has. They squished a lot of bugs too. Some remain, but no real show stoppers.

What I don't like to see, in this release, is that the scope maximum performance has been reduced by 75%. I hope they restore the previous high speed streaming performance in the next build.

Dave Hill · User Joined: 22 Jun 2007 Posts: 4

Hi Tom

Just looked at my previous post & yes you are right Embarassed

I am now running......PicoScope® 6 - PC Oscilloscope software version: 6.0.11.2.

In the Pico help file it says the following......

““This is the maximum number of waveforms that PicoScope will store in the waveform buffer. The actual number of waveforms stored will depend on the available memory and the number of samples in each waveform.””

Is it recommended that I set the maximum saved frames to a lower value, so that I get a better sample rate? Or does the software take care of all that & adapt itself to the available resources that an individual PC may have at it's disposal?

How have you determined that there is a performance reduction of 75%? Where would I notice this reduction?

There is one niggle that I have & that is how much scoping time is lost between frames. When scoping with lots of time on screen I have noticed that there is quite a delay, before the next screen is drawn. I wonder how much data is missed at this point.

Cheers Tom for the reply

Dave (Hill)

Autonerdz · Posted: Tue Sep 18, 2007 8:45 pm Post subject: samples

Hi Dave,

The number of possible frames will adjust itself to the sample rate you have selected. The more you dial it up the less frames you get. Even so, you will get at least 32. Since these are scrolling, you are not likely to need much more anyway.

I noticed that the sample rate had been reduced when I was doing a 200ms/div capture. It used to sample at 1MHz per channel on each of four channels. Now it's only 250KHz. Not something most techs would notice unless they knew it could do that. However, a capture like this one is no longer possible:

http://www.autonerdz.com/cgi/yabb2/YaBB.pl?num=1180471365

(you'll need to be logged into our forums to view this link)

Also posted here:

http://www.picotech.com/support/viewtopic.php?t=3490

Superscope has encountered kryptonite Surprised

I do think these superpowers will be restored in the next build coming shortly.

Yes, there is a gap between captured screens. The missing data as a percentage of your capture, depends on your settings. It varies from a low of 1% to a high of about 50%.

For example, a 20s/div capture will acquire 99% of all the data with only a 1% loss between screens. A 200ms/div capture will lose about 50%.

There are things the Pico team are working on that will make this a non-issue. They keep doing things with this that have never been done before. Just wait. It will get even better Smile

Gotta keep us spoiled brats happy Laughing

Tom Roberts
(The Picotologist)
http://www.autonerdz.com
THE PicoScope Automotive Authority
In North America

matthew · Posted: Thu Sep 20, 2007 10:38 am Post subject: Fast(er) streaming returns

Just posting to confirm that the maximum streaming sampling rate for the PS3x2x scopes has indeed been increased to 1MHz again (only available on the 200ms/div timebase). The problem was a small bug that crept-in due to other fixes.

This fix will be available in the next release (6.0.12).

PS: - nice demo of the zoom feature btw.

Matt Fanslow · Active User Joined: 01 Aug 2007 Posts: 7

Some of the nicest "improvements" are those that simply add convenience. One of my favorites, with 6.0.11.2, is not having to re-select the normal selection tool (or hitting the ESC to automatically revert it) to "grab" the voltage scales so you can move the zero line or the trigger diamond to move it while using a Zoom tool. A seemingly small addition that means a lot.

Autonerdz · Posted: Mon Sep 24, 2007 4:21 pm Post subject: movie

Dave,

Very cool movie Cool

Thought you might enjoy this movie that illustrates the power of PicoScope during an examination of primary and secondary ignition behavior. This one was done with 6.0.6.

http://www.autonerdz.com/flash/prisec.html

Tom Roberts
(The Picotologist)
http://www.autonerdz.com
THE PicoScope Automotive Authority
In North America

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