HP Data Explorer 4 manual 379

Peak Detection and Labeling Troubleshooting

Table 9-10 Peak Detection and Labeling Troubleshooting—Mariner and Voyager

(Continued)

Symptom	Possible Cause	Action
Expected user label not	Delta X value includes	Set Delta X value low
displayed	more than one peak apex	enough to prevent the
		peak labeling windows
		from overlapping. For
		information, see
		Section 3.5.3, Setting
		Custom Peak Labels.
	Delta X value is outside	Set Delta X value within
	acquisition range for the	acquisition range for the
	data file	data file. For information,
		see Section 3.5.3, Setting
		Custom Peak Labels.
Peak label placed on peak	Filter Width Increment set	Set Increment to 1. See
shoulder instead of peak	higher than 1	“Increment” on page 3-31.
apex

Table 9-11 Peak Detection and Labeling Troubleshooting—Voyager Only

9

Symptom	Possible Cause	Action
Noise detected as peaks	%Max Peak Area set too	Increase. See
	low	Section 3.2.2, Strategy for
		Voyager Peak Detection.
Low Mass Gate spike	Software identifies the	Truncate the data. See
identified as Base Peak	most intense peak in a	Section 5.9, Truncating a
(linear data)	trace as the base peak,	Spectrum.
	and does not ignore
	artifacts

Data Explorer™ Software User’s Guide 9-17