Mark the when the front door is open check box to specify that the analysis can be started when the front door of the column compartment is open. If you clear this check box, the analysis will not start unless the front door of the column compartment is closed.
Select the With any Temp. option to specify that the start of the analysis is independent of the column thermostat temperature.
Select the When Temperature is within Setpoint option to specify that the analysis starts only when the temperature is within a specified temperature range. Type the temperature range in the field.