User guide

14 Multimode Source for 6100 Series Single Quad LC/MS User Guide
1 Basic Operation and Maintenance
To open the multimode source
7 In the LC/MS ChemStation software MSD Manual Tune view, check that
the system recognizes the source. The Source text box in the toolbar should
read MM-ES+APCI.
Figure 4 List of Modes in Manual Tune View
The source listed is the source currently installed on the LC/MS instrument. If
the G1978B multimode source is detected, it will indicate MM-ES+APCI.
The Mode is the ionization mode you have currently selected. The three Modes
that a multimode source can use are MM-ES+APCI, MM-ES and MM-APCI.
MM-ES+APCI Mixed mode
MM-ES Electrospray only
MM-APCI APCI only