User`s guide

Chapter 5 Troubleshooting RIGOL
DSG3000 User’s Guide 5-3
(2) The dwell time of list sweep is incorrect
— Press SWEEP  List Swp to enter the sweep list editing interface.
— Make sure whether the dwell time of the list sweep is correct.
— If the dwell time is incorrect, re-edit it. If it is correct, turn to the next
step.
— Press SWEEP  Sweep Type to make sure that “List” sweep is
selected.
If “Step” sweep is currently selected, the signal generator sweeps
according to the dwell time of the step sweep.
(3) The list sweep information recalled from the register is lost
— The list sweep information cannot be stored in the status register of
the instrument as a part of the instrument state.
— The signal generator can only use the current list for sweep and you
can store the list sweep data to the local directory of the instrument.
(4) In list or step sweep, the amplitude does not change
— Make sure that the sweep manner is set to “Level” or “Freq&Level”.
— If the sweep manner is currently set to “Freq”, the amplitude will not
change.
6. The USB storage device cannot be recognized:
(1) Check whether the USB storage device can work normally when connected
to other instrument or PC.
(2) Make sure that the USB storage device used is a Flash type. This instrument
does not support hardware USB storage device.
(3) Restart the instrument and insert the USB storage again to check whether it
can work normally.
(4) If the USB storage device still cannot be used normally, please contact
RIGOL.
7. No response or incorrect response when key is pressed:
(1) After starting the instrument, make sure that whether all the keys are
irresponsive.
(2) Press System  Self-test  Key Test to enter the keyboard test
interface. Press the function keys at the front panel sequentially and check
whether some key gives no response or incorrect response when it is
pressed.
(3) If the above failures occur, the keyboard connecting wire might be loose or
the keyboard is damaged. Please do not disassemble the instrument and
contact RIGOL.
8. Performance specification test is not passed:
(1) Check whether the RF signal generator is within calibration period (1 year).
(2) Make sure that the RF signal generator is warmed up for at least 30 minutes
before test.
(3) Check whether the RF signal generator is under the specified temperature.