The required information for a data collection run consists of: The operator nameNB: This is used for documentation purposes only. Enter the operator’s name (or initials) in the box provided. The run descriptionNB: This is used for documentation purposes only. Enter descriptive information about the run in the box provided.The description can have multiple lines: use Ctrl-Enter to start a new line. The description is limited to a total of 2000 characters, or about 400 words of plain text. The starting position for the run Whether the left or right rail is being measuredNB: The Green arrow indicates which rail is to be measured e.g. in Figure 4 this is te right rail. Whether position will increase or decrease over the runNB: The Green arrow indicates the direction selected for the next run e.g. in Figure 4the distance is increasing. The distance of the sensor from the gauge face of the rail. This distance can be changed by the operator; the operator should check to ensure that the sensormeasures where required and adjust the position accordingly; this is described in the Operating Manual.