4.7.2 Measurement run Start the measurement by clicking on the "Start/Stop"key or switch to the "Overview"tab and click on Start. You will receive an error message in case missing or incorrect data.The measurement begins. Immediately after starting the measurement, the text on the "Start"key changes to "Stop". If this key is pressed, the measurement will be stopped immediately and a note will appear in the status field After ending the runs, the respective measuring values for the running times will be displayed. During the measurement, you can switch to the Methods tab and look at the sample parameters If the measured values are outside the tolerance range listed under "Max. Deviation [%", a new measurement will be started. This will be the case until approx. 10 measurements have been reached.Then the measurement will be stopped.if you want to determine a constant or the to value, a screen will appear at the end of the measurement which will inquire whether the new constant/to value should be transferred to the database. In addition, the relative deviation from the old constant/to value will be indicated