Chart Limits refer to the start point and the end point of the Y axis scale.

Properties of the chart limits can be configured from the 'ChartLimits' panel which is located in the 'Chart Selection' screen. Note, that the 'ChartLimits' panel will not be displayed unless the 'Show advanced options' check box has been selected.

'Chart Limits' panel
Following configurable parameters are available in the 'ChartLimits' panel:

Automatically determined minimum value for the Y axis