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Troubleshooting and Service
Descriptions of the test menu items and instructions for their use
follow:
1. Statistics
The statistics option allows you to recall the stored results from a
selected last number of tests and calculate their average, standard
deviation and coefficient of variance. To use this option, use the
following procedure.
1. At Osmometer Ready, press the TEST key and then the > key,
respectively.
2. Press START to enter the statistics mode. Your instrument will
request the number of tests to be considered when computing
statistics. Enter a number from 2 to 30.
3. Press the left ENTER key to display the average of the selected
number of last results.
4. Press the left < key to display the standard deviation of the
selected number of last results.
5. Press the left < key a second time to display the coefficient of
variance of the selected number of last results.
6. To return to the diagnostic menu, press the STOP switchpad.
7. To return to Osmometer Ready, again press the STOP key.
Note The instrument will output all three values to the printer and
serial port at step 3. For example:
Based on Last 5 Samples
AVG = 901.40 mOsm
Std Dev = 1.14 mOsm
CV = 0.13%
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