244Display and Operational Controls4.4.4Main Menu - SettingsMeaning of the symbols:Required access levelMaintenance modeWithoutFilter time of the measured valuesWithoutAnalogue outputsAt least 1 (Customer) or higherTriggering of probe replacementAt least 1 (Customer) or higherCO trigger thresholdAt least 2 (Service)Display parametersWithoutDigital outputsAt least 2 (Service)Limit valuesAt least 1 (Customer) or higher
