Advanced Instruments 4250, User Manual

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Advanced
®
Cryoscope Model 4250 User’s Guide
2. Recall results
The recall results feature of the Model 4250 allows you to display and
print the results of your last 30 tests. If you need to see any or all of
these results, take the following steps.
1. At “ Cryoscope Ready ”, press the TEST key to enter the diag-
nostic test menu.
2. Use the > or < keys to cycle through your choices until you see
“ Recall Results ”.
3. Press START to enter the recall results mode. Your instrument
will display and print the data of the most recent test result.
4. Use the > or < keys to see the results stored in the recall buffer.
5. Continue in this manner until you have recalled the necessary
results. For example:
6. To return to the diagnostic menu, press the STOP key.
7. To return to “ Cryoscope Ready ”, press the STOP key again.
3. A/D Tests
This set of tests may be used to test the block probe, the cooling assem-
bly and the sample probe. The A/D tests may also be used to check the
accuracy of the A/D conversion channel or to monitor the A/D channel
50
#30 09/06/2005 01:04:29 PM
ID NONE
Result = 600 mC
Based on Last 5 Samples
AVG = 511.40 mC
Std Dev = 1.14 mC
CV = 0.13%