Rigol DS1000Z Series Quick Manual page 38

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6. The display of waveform is ladder-like:
(1) The horizontal time base might be too low. Increase the horizontal time
base to increase the horizontal resolution and improve the display.
(2) If the display Type is "Vectors", the lines between the sample points may
cause ladder-like display. Press Display  Type , set the display type to
"Dots" to solve the problem.
7. Fail to connect PC or PictBridge through USB:
(1) Press Utility  IO Setting  USB Device to check whether the setting
matches the device currently connected.
(2) Check whether the USB cable is correctly connected to the instrument and
PC.
(3) Check whether the USB cable is in good condition. If needed, restart the
oscilloscope.
8. The USB storage device cannot be recognized:
(1) Check whether the USB storage device can work normally.
(2) Check whether the USB storage device being used is flash type. This
oscilloscope does not support hardware type USB storage device.
(3) Check whether the capacity of the USB storage device is too large. It is
recommended that the capacity of the USB storage device being used with
this oscilloscope is no larger than 8 GBytes.
(4) Restart the instrument and then insert the USB storage device to check it.
(5) If the USB storage device still cannot be used normally, please contact
RIGOL.
24 MSO1000Z/DS1000Z Quick Guide