Metrohm tiamo 1.1 Manual - Manual (Page 111)

Manual control 83
Gas flow pump
Switch the gas flow pump at the 774 Oven Sample Processor on and off.
Switch the gas flow pump on. The elapsed time since the start is shown in
the status display.
Switch the gas flow pump off.
Inert gas valve
Switch the inert gas valve at the 774 Oven Sample Processor on and off.
Switch the inert gas valve on. The elapsed time since the start is shown in
the status display.
Switch the inert gas valve off.