Set [Septum Purge] to [On] on [Purge Flow Program] screen, and then start the analysis.
<GC instrument monitor setting>
Press [HOME] > [Injection port] > [Submenu] > [Purge Flow Program],
and then display [Purge Flow Program] screen and turn [On] septum purge.
<Labsolutions setting>
Set the purge flow rate control in the device monitor window to [On].