RIGOL DSA1030 - Manual (Page 52)

RIGOL
38 Quick Guide for DSA1000 Series
and contact RIGOL.
3. The spectrum lines on the screen do not update for long periods:
(1) Check if the screen is locked, if so, press Esc to unlock.
(2) Check if the instrument is in Remote control.
(3) Verify if all the trigger conditions have been met and if there is a valid
trigger signal.
(4) Check if the analyzer is in Single sweep.
(5) Check if the current sweep time is too long.
4. Wrong measurement results or poor precisions:
To verify the system errors and view the measurement accuracies and
precision, refer to the tolerance specifications or characteristics from the
User’s Guide . To get the characteristics listed in the User’s Guide , please:
(1) Check if all the peripheral equipment has been successfully connected
and is working normally.
(2) Review the signal under measure and set appropriate instrument
parameters.
(3) Make measurements under proper conditions, for example: warm-up the
instrument appropriately and operate within the specified environment
and temperature.
(4) Calibrate the instrument regularly to reduce or avoid errors that can
occur over time.
—
Press System  Information  System Info to get the last
calibration time and decide if a new calibration is required. If you
need a specific calibration after the stated calibration period,
contact
RIGOL for service options.
— The analyzer provides a self-calibration function. If required, press
System  Calibrate  Self-Cal, and the instrument will do a
self-calibration once the operating temperature has changed.
—
Press System  Calibrate  Cal Now to do a self-calibration
immediately.