Technical Support and Questions

Please attempt to thoroughly troubleshoot the problem yourself AND search the forums for solutions before posting!

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Shipping time for new MultiSpeQ

By Saket Navlakha

Hi, I'm wondering if there's any update on target delivery for the new MultiSpeQ device? Is it still anticipated to be next month? Please let me know. I am trying to plan a future experiment. Thanks.
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Mar 2016


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Leaf thickness availability?

By Saket Navlakha

Hi, does the latest MultiSpeQ device include the leaf thickness functionality? I was testing an old version, and I believe this feature was missing (even though there is a protocol for this). Thanks.
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Mar 2016


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new question:

By Greg Austic

POSTED BY STEPHANIE --> Hi Greg, My name is Stephanie and I just started learning how to use PhotosynQ to collect and analyze data. I made a trial project named Tomato Trials and am currently taking a bunch of measurements just to learn how to use the device and figure out the uncertainty of the measurements. Is there a way to hide select data without having to filter... read more
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Mar 2016


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Show equation of linear model: simple regression.

By Andriy Herts, Nataliia Herts

Hi! In the previous version of the website after used of menu "Analysis" - "Linear" in legend of plot, was shown equation of linear model: simple regression. Now this feature is absent?
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Mar 2016


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Fluorescence decrease ratio (RFd)

By Andriy Herts, Nataliia Herts

It is possible to make, a calculation of fluorescence decrease ratio (RFd) in protocol? Thanks!
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Mar 2016


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Difference between protocols - The Ones

By Beatrice Landoni

The One v3.0 (Phi2, NPQt, using Multi-Phase Flash) The One Protocol (Phi2, PSI, NPQ) II What is the exact difference between these two protocols? Should I use version 3 because it is just the last version of "The One" protocol or are there differences that make them suitable for different occasions? Maybe it is a very basic question, but I want to make sure I have grasped... read more
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Feb 2016


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Missing Data

By Veronica Greve

I took measurements yesterday (11/24) for the isolated endophytes project. All of the questions, like plant number, pot id, etc..., are not appearing. Nothing should have been different -no project changes were made between 11/17 and 11/24. The data and measurements are there, just without any identifying information. http://photosynq.org/projects/isolated-endophytes-in-m... read more
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Dec 2015


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The temperature range of work the device

By Andriy Herts, Nataliia Herts

Hi. What is the temperature range for work device? I want to make the study of photosynthesis in winter.
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Nov 2015


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spad III protocols

By RICARDO MELCHIORI

Hy Greg, yesterday we update our multispec (device number 76) to firmware v0.45. We configure a new proyect to perform measurements with the one protocol + SPAD III, and we made some test measurements but spad III does not show data. What could be the problem? If required we could send you a screen capture to show the situation. Another question is that our device only can... read more
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Nov 2015


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question about firmware updating

By Greg Austic

QUESTION (Susana): We are trying to use photosynQ and it have been a long time since we used. The firmeware of our device is v0.37 and now there is available a new one (v0.45), do we need to update it? Or can we use the old version? Can we use the new protocols if we don´t update it? We made all steps from the page but it doesn’t work. We downloaded teensy and the other... read more
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Nov 2015


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Editing the Active Carbon in Soils Protocols

By Dan TerAvest

I'm trying to design the new macro for a project that would allow field measurement with a somewhat more fine-tuned lab protocol (to keep separate from a photosynq 'protocol'). It seems from talking to Veronica that changes to prompts might need to be partially or entirely changed within the protocol level rather than the macro, and then the macro calls the data filled in ... read more
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Nov 2015


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Column Heading Overwriting Question?

By Veronica Greve

For a cassava project, I had a question titled Rep with answers 1-4. When I look at the data, I can filter it by Rep and see the correct labels, but there is not a separate column for the Rep question. All of the other data is in the right place. Is this a problem with the question being named the same as one of the column headings? I haven't had this problem before labelin... read more
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Oct 2015


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After the last update, we can't use PhotsynQ

By Oscar Goni

Hi Greg, After the last update (version 3.1) we are observing a error message in either quick or projects measurements that says: "Unfortunately, PHOTOSYNQ has stopped". However, we can keep working with a older version of the app installed in the phone of my workmate. Can we downgrade the application or do you know how to fix this issue? Thanks in advance for your help, ... read more
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Nov 2015


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After the update software

By Andriy Herts, Nataliia Herts

After the update software PhotosynQ my smartphone incorrectly determines the place of investigation. After the program is not memorized answers to questions even if you select "Remember"
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Sep 2015


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Issues with measuring wavelengths

By Anne Stanton

I went to the field yesterday and was unable to access the new project that I had submitted the day before, so I put the measurements into another project. I've downloaded the data and it seems to be in the right place, only it doesn't seem to include data for Green, Red and Blue wavelengths as had been included in all the other data. Can you advise me?
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Sep 2015


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Moving datapoints from one project to another

By Anne Stanton

Due to an operator malfunction in the field about 30 datapoints were placed in the wrong project. Is there a way to export them from one project to another?
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Aug 2015


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Statistical information

By Anne Stanton

I've been working with the statistics calculation page which is really great and very intuitive for me to use. I'm wondering whether there's any way to print out some of the information and graphs that are produced by the analyses? Thanks
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Aug 2015


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chrome crash

By Craig White

Something odd to think about. When I attempt to open the Photosynq website with my android phone using google chrome it always crashes. Multiple attempts over 30 day period. No other site does that. That is just the website not the submit test part.
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Aug 2015


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My unit may have a major issue

By Craig White

I think my unit has a major problem. The symptoms are the batteries won't charge, when hooked up to power through the usb the unit will power on but when an attemt to take a measurement the software gets to the point of "initializing please wait", that is as far as it goes. I wonder if I need new batteries but I have only taken 20 or so measurements since I got the unit may... read more
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Aug 2015


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How calculation?

By Andriy Herts, Nataliia Herts

NPQ is Fm/Fm'-1? (Fm'=FmPrime; what Fm=?) How calculate photochemical quenching (qp)? Its (FmPrime-Fs)/(FmPrime-FoPrime)? Fv=(FmPrime-FoPrime)? Thanks.
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Sep 2015