Xylem YSI 2500, User Manual

Page: 36 / 98

6-13
The default Auto-calibration settings are shown above. You may alter any of these parameters to suit your application,
however,
you may compromise precision and/or accuracy when doing so. YSI’s stated specifications are based on the
default settings. These selections are provided as part of the overall concept of the 2500 Analyzer flexibility.
To change the value of a Calibration parameter, simply touch the value to open the numeric keypad. Enter the new value,
then touch [OK].
To disable the number of Samples parameter, touch the [ON] button and change it to [OFF].
NOTE: When the analyzer is NOT in the Configure or Service screen, it will continue to calibrate at the time interval
entered until it has been idle for 2 hours AND the Screensaver is active. It will then calibrate every 4 hours (performing a
maximum of 3 calibration attempts each time to preserve reagent use).
If the Screensaver is disabled (Off), the analyzer will continue to calibrate at the Autocal time interval (default value of
every 30 minutes) indefinitely, unless the Screensaver is activated manually (Lock button is pressed) and the analyzer
has been idle for 2 hours.
Touch [Save] to save your changes.
Scheduled Calibration
The 2500 Analyzer can be set to automatically calibrate at a specific time of day, such as the start of each workday.
Touch the Scheduled calibration [Edit] button to display the settings
Touch the Scheduled calibration [OFF] button and change it to [ON]. Touch any days to select them. Days of the week
that the scheduler is enabled are underlined blue.
Touch the Hour button: