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System Operation Buffer · Digital allows filtering of digital input on or off. This is applicable if the measurement point had an associated digital point configured. · Data tagging allows the filtering of material or characteristic related data that are marked with a specific tag. Data can be tagged manually with Software data tagging point or automatically by OPC data tagging points. · Buffer specifies from which buffer to collect the data. · @ptitude Observer User Manual, Revision I - Normal: refers to the data stored in the rolling buffer. The type of data and the storage interval are set in Trend Tab settings when creating a measurement point . - Archive: refers to the data stored in a special buffer called archive. This buffer stores one measurement data every 10 minutes. It can hold up to 80 000 measurement data which are equivalent to data collected in 1½ years. The type of data and the storage interval are set in trend setting when creating a measurement point . - Transient: refers to the data captured during transient. Therefore, for this type of buffer, a specific transient of a measurement group must be selected. Use as default sets the current buffer setting as the default setting which will be used when opening new windows. This setting is stored in the database and will also be used when the user restarts the application. 4-111