RIGOL DG1000Z Series - Manual (Page 73)

RIGOL
DG1000Z Quick Guide 29
4) If the USB storage device still cannot be used normally, please contact
RIGOL.
6. How to set the amplitude of the waveform in dBm?
1) Press CH1|CH2 to select desired channel.
2) Check whether the setting in Utility  Channel Set  Output Set 
Imped is HighZ. If yes, you cannot set the amplitude in dBm. Please press
Imped to select Load and use the numeric keyboard or knob to set the
impedance to a proper value.
3) Select desired waveform, press Ampl/HiLevel to highlight “Ampl”, and
then use the numeric keyboard to input desired value. Then select dBm
from the pop-up menu.
7. Performance verification test is not passed:
(1) Check whether the generator is within calibration period (1 year).
(2) Make sure that the generator is warmed up for at least 30 minutes before
test.
(3) Check whether the generator is under the specified temperature.
(4) Check whether the test is under the magnetic environment.
(5) Check whether the power supplies of 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” for this product should be correctly
understood: the performance specification of this product under specified
conditions.