Waters GCT Premier Operator's Manual page 13

Setting up for CI tuning ................................................................................ 3-27
Tuning CI gas peaks ...................................................................................... 3-28
Obtaining a beam in positive CI mode ......................................................... 3-28
Turning off CI gas .......................................................................................... 3-30
Tuning the instrument for negative CI ..................................................... 3-30
Tuning for negative CI mode operation........................................................ 3-31
Obtaining a beam in negative CI mode ........................................................ 3-32
Turning off CI gas .......................................................................................... 3-33
Preparing for FI operation ........................................................................... 3-33
Managing tune parameters .......................................................................... 3-34
Printing tune information ............................................................................. 3-34
Storing tune parameters ............................................................................... 3-34
Saving and recalling parameter settings...................................................... 3-34
4 Acquiring Data ....................................................................................... 4-1
Starting data acquisition ................................................................................ 4-2
Starting a single sample acquisition .............................................................. 4-2
Starting a multiple-sample data acquisition.................................................. 4-5
Setting up an MS Method ................................................................................ 4-5
Adding a function to the list............................................................................ 4-6
Modifying an existing function in the list ...................................................... 4-7
Copying an existing function in the list.......................................................... 4-7
Deleting a function from the list ..................................................................... 4-7
Changing the order of functions in the list..................................................... 4-8
Saving and restoring a function list ............................................................... 4-8
Selecting the run time for the experiment ..................................................... 4-9
Setting a solvent delay .................................................................................... 4-9
Acquiring analog data ................................................................................... 4-10
Setting up an MS Scan ................................................................................... 4-12
Types of data acquisition............................................................................... 4-14
Table of Contents xiii