5 Operating in EI Mode
To Set the MS Analyzer’s Temperatures
7000/7010 Series TQ GC/MS Operating Manual 109
To Set the MS Analyzer’s Temperatures
Setpoints for the MS ion source, front quad (MS1), rear quad (MS2), and
temperatures are stored in the current tune file. When a method is loaded, the
setpoints in the tune file associated with that method are downloaded
automatically.
Procedure
1 In Instrument Control view, select the MS Tune icon to display the Tune
dialog box. Select the Manual Tune tab, then select the Ion Source tab to
display the ion source parameters.
2 Enter the temperature setpoint in the Source Temp field. See Table 8 for
recommended setpoints.
3 Select the MS1 tab to display the MS1 parameters. (See Figure 32 on
page 110.)
4 Enter the temperature setpoint in the MS1 Quad Temp field. See Table 8 for
the recommended setpoint.
5 Select the MS2 tab to display the MS2 parameters.
6 Enter the temperature setpoint in the MS2 Quad Temp field. See Table 8 for
recommended setpoint.
7 Select the Files and Reports tab, then click Save to save the tune file with
these changes.
Table 8 Recommended temperature settings
Zone EI operation
MS Source 230 °C default. High limit 350 °C. Application dependent.
MS Quad 1 150 °C
MS Quad 2 150 °C