ABL90 FLEX reference manual 1. Setup
1-27
Step Action
1. Press Next slot to display the desired slot and then press Edit.
2. Select the parameter to be edited, using Next param. or Prev
param.
3. Press Update to change the range to the one shown in the "Lot to
Date range (2 SD)" box (if available).
4. Press the check button to activate or deactivate the Fixed SD (i.e. a
minimum allowed control range is defined by setting a Fixed SD).
To change the SD value, touch the "SD" field to highlight it and
enter the value, using the keypad. Confirm the entry with Enter.
5. Highlight the limit by touching it on the screen and enter your own
value(s), using the keypad. Confirm with Enter.
6. Repeat the procedure for other parameters in the same manner.
NOTICES: See I Appendix - Quality control in this manual for detailed
information on statistics and its parameters
"Lot-to-date range (2 SD)" is the range calculated over the
course of the lot, represented mathematically by the mean
value 2 SD; this is the range within which 95 % of the
measurements are found.
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