I

N D E X

Filter Width Increment

setting manually, spectrum 3-31suggested value, spectrum 3-31value used when resolution-based

peak detection enabled 3-31

Filtered traces, viewing, see Filtering Filtering

chromatogram traces 4-23

event tags (Mariner data only) 4-24monoisotopic peaks 3-43

noise, chromatogram 4-17peak list 3-42

Fit Error, calibration 5-12Formulas

determining if present in observed spectrum 6-31

determining possible for a mass 6-2

Fragment ions correspond to loss of 4-9determining if mass difference 4-9electron state for accurate

results 6-5

generating list of masses with Ion Fragmentation calculator 6-25

identifying with Elemental Composition calculator 6-2

labeling 6-25,C-9

Peptide fragmentation macro C-9 Fragment spectrum, PSD, see

Segment spectrum, PSD FRM files for macros 6-43FWHM 6-20

G

Gaussian Fitting, peak detection 3-26 Gaussian smoothing, see Smoothing Global peak detection parameters

description, spectrum 3-22overriding for individual detection

ranges, spectrum 3-30setting spectrum 3-13

Graphic options accessing 1-24

default settings for white or dark background 1-19,1-23

extracting from DAT file 1-36graphic compression 1-28peak labels, customizing 1-25saving and restoring 1-20saving to a SET file 1-37setting graph and plot colors

with 1-25

turning off right axis 2-12Graphic settings

applying 2-4

automatically saved when data file closed 1-18

description 1-18

extracting from DAT file 1-37modifying 1-19

saving and restoring 1-20saving for use with other data

files 1-19

H

Help, see PerSeptive Biosystems

Technical Support Histogram, centroid 5-36Horizontal cursor 1-27Horizontal peak labels 3-55,3-58How to use this guide xi

Index-12 Applied Biosystems