FAQ: Difference between revisions

205 bytes added ,  15:58, 13 October 2013
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Repositioning and expansion of 'Why are the 'Yesterday' figures missing on the Main Cumulus Screen?'
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There is no option in Cumulus to set this up automatically as I prefer to leave it under the control of the user: The safest and most reliable method is simply to put a shortcut in your Startup folder. If you are running Vista or Windows 7, you may find that Cumulus gets blocked by UAC if you try to run it from the Startup folder, in which case it is recommended that you use Task Scheduler instead. See here for a good description of how to do this - http://blogs.techrepublic.com.com/window-on-windows/?p=616
There is no option in Cumulus to set this up automatically as I prefer to leave it under the control of the user: The safest and most reliable method is simply to put a shortcut in your Startup folder. If you are running Vista or Windows 7, you may find that Cumulus gets blocked by UAC if you try to run it from the Startup folder, in which case it is recommended that you use Task Scheduler instead. See here for a good description of how to do this - http://blogs.techrepublic.com.com/window-on-windows/?p=616
== Why are the 'Yesterday' figures missing on the Main Cumulus Screen? ==
The yesterday values on the Main Screen under "Recent Extremes" are not shown when the ''end of day rollover has not taken place''. The usual cause of this is allowing your PC to 'sleep' while Cumulus is running. The support forum mentions a few  other causes.


== How does Cumulus handle Daylight Saving Time?  ==
== How does Cumulus handle Daylight Saving Time?  ==
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The moon doesn’t rise and set every day, the dashes appear when that event doesn’t occur on that particular day. The period between a moon rise and set is approximately 12 hours and 25 minutes, on average. The moon rises (or sets) approximately 50 minutes later, on average, each day. It therefore follows that sometimes the moon will not rise or set on a particular day - i.e. it had risen the previous day, or will set on the following day.  
The moon doesn’t rise and set every day, the dashes appear when that event doesn’t occur on that particular day. The period between a moon rise and set is approximately 12 hours and 25 minutes, on average. The moon rises (or sets) approximately 50 minutes later, on average, each day. It therefore follows that sometimes the moon will not rise or set on a particular day - i.e. it had risen the previous day, or will set on the following day.  
== Why are the 'Yesterday' figures missing on the Main Cumulus Screen? ==
The yesterday values on the Main Screen under "Recent Extremes" are not shown correctly:
*EITHER when the ''end of day rollover has not taken place''. The usual cause of this is allowing your PC to 'sleep' while Cumulus is running. The support forum mentions a few  other causes.
*OR if Cumulus was unable to read observations from your station during that day, but can today.


== I’ve ‘zoomed’ a graph, how do I get it back to full size?  ==
== I’ve ‘zoomed’ a graph, how do I get it back to full size?  ==
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First of all, check that you are comparing the Cumulus display with the ‘relative’ pressure on your console, and that you do not have a 'EWpressureoffset=x.y' line in the [Station] section of cumulus.ini.   
First of all, check that you are comparing the Cumulus display with the ‘relative’ pressure on your console, and that you do not have a 'EWpressureoffset=x.y' line in the [Station] section of cumulus.ini.   
Make sure that you have set your console's relative pressure correctly - see your station manual for how to do this, typically tap the reading three times, then click '+' or '-'.  The support forum includes discussion on where to find isobar charts or other sources to determine what the pressure should be.  Obviously after any adjustment you need to stop Cumulus, because it is when you restart it that Cumulus reads the new pressure offset.
Make sure that you have set your console's relative pressure correctly - see your station manual for how to do this for a push button operated model, if your model uses a touch sensitive screen then it is probably tap the reading three times, then touch '+' or '-'.  The support forum includes discussion on where to find isobar charts or other sources to determine what the pressure should be.  Obviously after any adjustment you need to stop Cumulus, because it is when you restart it that Cumulus reads the new pressure offset.


Sometimes the offset that cumulus reads from the fixed block is clearly garbage, so Cumulus uses zero instead as a best effort. In this situation, Cumulus will display the same value as the 'absolute' pressure on the console (no "rel" is displayed on the console when it is displaying absolute pressure). Often, if you restart Cumulus, it will then be able to read the correct value. If the problem happens often, you can circumvent it by editing cumulus.ini (while Cumulus is stopped), and in the [Station] section add an entry:  
Sometimes the offset that cumulus reads from the fixed block is clearly garbage, so Cumulus uses zero instead as a best effort. In this situation, Cumulus will display the same value as the 'absolute' pressure on the console (no "rel" is displayed on the console when it is displaying absolute pressure). Often, if you restart Cumulus, it will then be able to read the correct value. If the problem happens often, you can circumvent it by editing cumulus.ini (while Cumulus is stopped), and in the [Station] section add an entry:  
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== My pressure suddenly dropped! Or suddenly increased!  ==
== My pressure suddenly dropped! Or suddenly increased!  ==


If you have a Fine Offset station, and this happened when you (re)started Cumulus, it is quite likely a problem with reading the pressure 'offset' from the station. See: "Cumulus doesn’t show the same pressure as my Fine Offset console" above
If you have a Fine Offset station, and this happened when you (re)started Cumulus, it is quite likely a problem with reading the pressure 'offset' from the station. See: "Cumulus doesn’t show the same pressure as my Fine Offset console" above.


== I get an error when I try to view my all-time records. Also, they don’t appear on my web site  ==
== I get an error when I try to view my all-time records. Also, they don’t appear on my web site  ==
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