GE Analytical Instruments ©2010 74 of 226 DLM 74001-04 Rev. A
Chapter 4: Basic Analyzer Operation
Graphing Data History
You can set the time scale for the data that is displayed on the graph and specify which data are displayed. The
settings you specify on the Graph screen also affect the graph that is displayed on the Main screen. On
configurations without conductivity measurement, some options are not available.
To customize the graph, follow these steps:
1. Select the Data tab.
2. Press the Graph button to display the data graph (see Figure 14).
3. Press the Setup button to specify the scale for the graph.
4. Press the Type button to specify which data are displayed on the graph: TOC only, TOC/IC/TC, Sample
Cond., or Sample Temp.
5. Press the X Scale button and select a time range for the X axis of the graph: 1 Hour, 2 Hour, 4 Hour, 8
Hour, 1 Day, 2 Days, 1 Week.
6. Press the Y Scale button to select a range for the Y axis.
•Select Auto to have the Analyzer automatically calculate the appropriate range.
•Select Manual to enter specific TOC values in ppb or conductivity values in µS. Press the Min button
to enter the minimum value and press the Max button to enter the maximum value.
7. Press the Back button to save your changes and return to the graph display. A color-coded key displays
to help identify the graph lines for each type of data.
8. To begin the graph from a specific measurement, press the Go To button, enter the appropriate date or
time values, press Enter, and press the Back button.
Note:
Settings specified in the Setup screen affect the display of the graph on the Main
screen, in addition to the graph displayed under the
Data tab.
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