51Standard programsUse the Ratio function to monitor the parameter relationships at aparticular location and display them in a graph.Use the Interference Check function to display analyses with thesame sample IDs and unfavourable levels of ion interference.5.3.4.1 Trends1. Press Recall Data>Data analysis.2. Choose Trends and press OK to confirm.Alternatively, choose Trends from the toolbar.3. Press Options>New.4. Select the required parameter and press Next to confirm.5. Select the required sample ID and press Next to confirm.6. Select the required operator ID and press Next to confirm.