The scan header shows the parameters that appear in the Spectrum view.

The following table lists the parameters that you can display in the scan header. The parameters displayed in the scan header depend on the data acquisition settings of the mass spectrometer that were used to acquire the raw data file.

Scan header parameters and their abbreviations

Parameter

Abbreviation before the value

Short filename

NA

Scan Number

#

Retention time

RT

Average Number of Scans

AV

Normalize Intensity

NL

Scan Filter String

T

Polarity

NA

(P- when the Scan Filter String is not selected)

Background Subtraction Scan Numbers

SB

Mass Ranges

[...]

(MR [...] when the Scan Filter String is not selected)

Total Ion Current

TIC

Scan Low Mass

SLM

Scan High Mass

SHM

Scan Start Time (min)

SST (min)

Base Peak Intensity

BPI

Base Peak Mass

BPM

Multiple Injection

Multiple Injection

Multi Inject Info

Multi Inject Info

AGC (automatic gain control—On, Off, or predicted)

AGC

Micro Scan Count

MSC

Ion Injection Time (ms)

IIT

Scan segment

SS

Scan Event

SE

Master Index

Master Index

Charge State

CS

Reagent Ion AGC

Full parameter name

Reagent Ion Injection Time (msec)

Full parameter name

Elapsed Scan Time (sec)

EST

API Source CID Energy

Full parameter name

Average Scan By Instrument

ABSI

Charge State

CS

Monoisotopic Ion m/z

Full parameter name

MSn Isolation Width (n = 2 to 10) (m/z)

Full parameter name

FT analyzer settings

Full parameter name

FT analyzer message

Text message

FT resolution

Full parameter name

Conversion parameters

Full parameter names