Micromass Quattro Ultima, User Manual

Page: 95 / 227

MS to MSMS Switching
Switch Criteria
MSMS scanning
commences:
•
If TIC is
selected,
and the TIC
of the
spectrum
rises above
the specified
Threshold .
•
If
Intensity
is selected,
and the
intensity of
the largest
peak rises
above the
specified
Threshold
.
When a peak top
is found, no other
peaks are looked
for within the
specified
Detection Window
.
Currently Number of Components is set to 1 and can not be changed. The
number of non coeluting precursors in a single run is not limited.
Precursor Selection
If Automatic is selected all valid masses satisfying selection criteria are monitored.
If Include Masses Only is selected only masses in the include list (see below) are
monitored.
If Include Masses and Automatic is selected masses on the include list are given
priority. If no precursors are found then other valid masses are monitored.
A mass is valid if it is not on the exclude list (see below), and it satisfies the
precursor selection criteria.
Data Acquisition
Page 95
Quattro Ultima
User's Guide