Set up the operational parameters before you calibrate the MS.
Prerequisites
- Install the low-flow ESI spray insert. See Remove or Install the API Spray Insert.
- Set up a 500 µL syringe with the FlexMix calibration solution. See Set up the Syringe.
Procedure
- In the Tune application, place the MS in On mode
.
- Select the Profile icon and select a data type (profile or centroid).
- Select the Positive (Negative) icon and select the positive ion polarity mode.
- Select the Syringe Off icon to turn on the syringe pump.
- The button name changes to Syringe On.
- Select the drop-down arrow to open the syringe pump settings. Enter the following parameters and then select Apply.
- - Flow Rate (µL/min): 3
- - Volume (µL): 500
Figure Syringe pump settings - Verify that the inlet plumbing connections do not leak.
- In the syringe pump settings, press and hold Prime to prime the syringe.
- The default priming flow rate is 100 µL/min.
- In the Tune application, verify that the system readback status icon is normal
. For details about the readback status icons, see Buttons and Icons.