Calibration Troubleshooting

Table 9-6 Calibration Troubleshooting—Mariner and Voyager (Continued)

Symptom

Possible Cause

Action

 

 

 

 

 

 

 

Calibration returns an

When creating a reference

Do not include multiple

 

 

invalid number of matches

mass list in Manual or

entries with the same m/z

 

 

 

Automatic calibration, the

value in the Calibration

 

 

 

software allows you to add

Reference file. See

 

 

 

multiple items with the

Section 5.3.3, Creating or

 

 

 

same m/z value to the

Modifying a

 

 

 

calibration list box if any

Calibration Reference File

 

 

 

other attribute of the

(.REF).

 

 

 

reference compound is

 

 

 

 

different (for example,

 

 

 

 

charge state or name).

 

 

 

 

Each mass in the list is

 

 

 

 

considered during

 

 

 

 

calibration.

 

 

 

 

 

 

 

 

.REF file created with

Reference file does not

Some applications

 

 

Windows Notepad not

include .REF extension

automatically append a

 

 

listed when you select

 

.TXT extension to file

 

 

Reference file

 

names.

 

 

 

 

 

 

To name the file with a

 

 

 

 

.REF extension, include

 

9

 

 

the file name and

 

 

 

extension in

 

 

 

double-quotes in the Save

 

 

 

 

File dialog box, for

 

 

 

 

example “CAL.REF”.

 

 

 

 

 

 

 

 

 

 

 

 

Data Explorer™ Software User’s Guide

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