Hach-Lange LICO 690 User Manual - Manual (Page 91)

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Advanced Operations
4. Enter the concentration, unit, confidence range and unit
by pressing the relevant fields.
5. Press OK to confirm the entry.
6. All the standard solutions entered are shown on the screen.
7. Select Options for further editing.
Select New to define a new standard.
Select Edit to change the settings.
Select Delete to delete the standard.
Only user-programmed standards can be deleted.
Select Reminder to enter an automatic interval at which you
are prompted to take a standard measurement.
6.1.4.2 Perform AQA Standard Measurement
If you have set a reminder function, you will be prompted to take
the AQA standard measurement after a set interval has elapsed.
1. Select the required AQA standard.
The AQA button in the toolbar is displayed in yellow.
2. Take the standard measurement.