1)
Check whether the generator is within calibration period (1 year).
2)
Check whether the generator is warmed up for at least 30 minutes before the
test.
3)
Check whether the generator is under the specified temperature.
4)
Check whether the test is under strong-magnetism environment.
5)
Check whether the power supplies of the generator and test system have
strong interference.
6)
Check whether the performance of the test device used meets the requirement.
7)
Make sure that the test device used is within the calibration period.
8)
Check whether the test devices used meets the required conditions of the
manual.
9)
Check whether all the connections are tight.
10) Check whether any cable has internal damage.
11) Make sure that the operations conform to settings and processes which are
required by the performance verification manual.
12) Check whether the error calculation exits faults.
13) Correctly understand the definition of "typical value" for this product: the
performance specification of this product under specified conditions.
4-2
DG1000Z User's Guide