Functions6.18 [3.04] Maintenance & Diagnostics > Measured value statusOperating with the Local User Interface214 Operating Manual, 06/2017, A5E31930478-056.17.4 [3.03.2] Delete logbookProcedure1. Main menu > "3. Maintenance & Diagnostics" > "3. Logbook > "2. Delete logbook"When you activate this function, all logbook entries are deleted. It is not possible toremove single entries.2. Delete: "Delete all logbook entries" parameter field.– Enter Expert pin.– Activate deletion with .→ Overview of logbook (Page 209)6.18 [3.04] Maintenance & Diagnostics > Measured value statusDisplay measured value status1. Main menu > "3. Maintenance & Diagnostics" > "4. Measured value status"The measured value status of all gas measured values is available in this menu. Thecurrent measured value as well as symbolic and text status information is displayed foreach component. The window has the following structure:Structure of the windowComponent 1 .. n Status symbol 1) Measured value 2)Component 1 measured value status: GoodThe measured value is valid.The device is in normal measuring mode.1) Measured value status2) Info of measured value and unit2. Component with the buttons <▲> or <▼>The respective measured value status is displayed with these status symbols in thedisplay:– : Measured value status "Good" - no symbolic representation– : Measured value status "Uncertain"– : Measured value status "Bad"An overview of the possible status messages is found in the section Alarm, error, andsystem messages (Page 255).