Id e x n – HP Data Explorer 4 Series User Manual

Page 428

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I

D

E
X

N

Index-12

Applied Biosystems

Filter Width Increment

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

peak detection
enabled 3-31

Filtered traces, viewing, see Filtering

Filtering

chromatogram traces 4-23
event tags (Mariner data only) 4-24
monoisotopic peaks 3-43
noise, chromatogram 4-17
peak list 3-42

Fit Error, calibration 5-12

Formulas

determining if present in observed

spectrum 6-31

determining possible for a

mass 6-2

Fragment ions

correspond to loss of 4-9
determining if mass difference 4-9
electron 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 6-43

FWHM 6-20

G

Gaussian Fitting, peak detection 3-26

Gaussian smoothing, see Smoothing

Global peak detection parameters

description, spectrum 3-22
overriding for individual detection

ranges, spectrum 3-30

setting spectrum 3-13

Graphic options

accessing 1-24
default settings for white or dark

background 1-19, 1-23

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

with 1-25

turning off right axis 2-12

Graphic settings

applying 2-4
automatically saved when data file

closed 1-18

description 1-18
extracting from DAT file 1-37
modifying 1-19
saving and restoring 1-20
saving for use with other data

files 1-19

H

Help, see PerSeptive Biosystems

Technical Support

Histogram, centroid 5-36

Horizontal cursor 1-27

Horizontal peak labels 3-55, 3-58

How to use this guide xi

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