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

Page 435

Advertising
background image

Data Explorer Software User’s Guide

Index-19

I

D

E
X

N

Peak detection (continued)

Noise Threshold, calculated

automatically for
chromatogram data 3-21,
3-68

overview 3-2
Peak Processing parameters,

spectrum 3-16, 3-26

peak start and end,

displaying 3-55, 3-58

peaks do not appear in

spectrum 9-17

process that occurs during 3-67
proteins 3-6
ranges, overlapping 3-5
regions, setting

chromatogram 3-19, 3-20

regions, setting spectrum 3-28
resetting Basic settings 3-18
spectrum 3-68
troubleshooting 9-14
use same settings for all

traces 3-21, 3-25

Peak detection parameters,

chromatogram

description 3-19
setting 3-11, 3-19

Peak detection parameters, spectrum

Advanced 3-28
Basic 3-22
global, description 3-22
global, setting 3-13
individual detection ranges, setting

for 3-30

local, description 3-28
local, setting 3-28
Peak Processing 3-26

Peak detection, Mariner data

see also Peak detection
default settings 3-71
noise detected as peaks 3-7
strategy for 3-6
troubleshooting 3-6

Peak detection, resolution-based

see also Peak detection
default resolution 3-6, 3-24
description 3-3
enabling 3-23
Filter Width value used 3-3
formula used to calculate number

of data points 3-4

overriding 3-10, 3-14

Peak detection, Voyager data

see also Peak detection
complex digests 7-18
default settings 3-71
deisotoping to aid in peak

detection 3-9

high mass peaks not detected 3-9
improving by baseline correcting,

noise filtering, or
smoothing 3-8

noise detected as peaks 3-9
partially resolved peaks not

detected 3-10, 7-11

peaks of interest not detected 3-9
PSD 8-11
strategy for 3-8
troubleshooting 3-9

Peak integration, see Integration

Peak labels

see also Peak labels, charge state
see also Peak labels, filtering
see also Peak labels, Mass

Difference

45 degree angle 3-55, 3-58
amino acid C-5
apex 3-56
applying user labels from LBC and

LBS files 3-65

area, chromatogram 3-55
area, spectrum 3-56, 3-58
base peak mass 3-55, 3-56
baseline, changing line width 1-26
baseline, displaying 3-55, 3-58

Advertising