Yes, you'll see something like: *ITMS + p NSI E full scan (400-1800)* in the scan filter/header information on the file.
Does this help? -jane On Fri, Sep 18, 2009 at 4:30 PM, Matthew Chambers < [email protected]> wrote: > > Hi Jane, > > Thanks for answering so quickly. This filter line was found on an LTQ XL > RAW file. Does the "enhanced scan speed" you mention result in the 'E' > in the filter line? > > Thanks, > -Matt > > > Science Gurl wrote: > > If you mean "enhanced" scan speed and you're using an ion trap (linear > > or LCQ), I'd highly recommend choosing it. The scan speed is slightly > > slower than the normal speed and allows for better mass accuracy and a > > better chance at seeing the charge envelop (thus better able to > > determine charge state). I have an LXQ and find that when I use > > "enhanced" I get mass accuracy approaching +/- 0.2 - 0.5 amu vs unit > > resolution for regular. Of course this only applies to profile data, > > I don't know if it's even an option in centroid collection mode. I > > also use it for my ms/ms. > > > > -jane > > > > On Fri, Sep 18, 2009 at 4:00 PM, Matthew Chambers > > <[email protected] > > <mailto:[email protected]>> wrote: > > > > > > Does anybody know what this means? How does it affect the data and/or > > metadata? > > > > Thanks, > > Matt > > > > > > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "spctools-discuss" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/spctools-discuss?hl=en -~----------~----~----~----~------~----~------~--~---
