RIGOL DSG3000 Series - Manual (Page 128)

RIGOL Chapter 5 Troubleshooting
5-4 DSG3000 User’s Guide
(4) Check whether the test is being performed in a highly magnetic
environment.
(5) Check whether the power supplies of RF signal generator and test system
have strong interference.
(6) Check whether the performance of the test device meets the requirement.
(7) Make sure that the test device is within calibration period.
(8) Check whether the test device meets the required conditions of the manual.
(9) Check whether all connections are tight.
(10) Check whether all cables have 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 is a mistake.
(13) The definitions of “Typical Value” and “Nominal Value” for this product
should be correctly understood.
—
Typical Value: the performance specification of this product under
specified conditions.
—
Nominal Value: the approximate quantity of the product during
application.