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SIGLENT
176 SDS2000X User Manual
Troubleshooting
Possible problems and solutions are listed below. If one of these problems is encountered,
please check each possible solution listed below it. If the issue is not resolved, please
contact your dealer or SIGLENT directly.
1. The screen remains dark after power on
1) Check if the power is correctly connected.
2) Check if the power switch is faulty.
3) Check whether the fuse is burned out. If the fuse is defective please replace with
a fuse of the same size and ratings. If you have questions, please contact
SIGLENT.
4) Restart the instrument after completing the steps listed above.
5) If these steps do not solve the problem, please contact SIGLENT.
2. After the signal is sampled, there is no corresponding waveform displaying
1) Check to make certain the probe is correctly connected to the signal connecting
cord.
2) Check to make certain the signal connecting cord is correctly connected to the
BNC input connector.
3) Verify that the probe is correctly connected to the item under test.
4) Verify that there is signal generated from the item under test.
5) Resample the signal.
3. The voltage amplitude measured is higher or lower than the actual value (the
error usually occurs in use of the probe)
Verify that the attenuation coefficient setting of the current channel matches with the
attenuation ratio of the probe.
4. A waveform is displayed but is not stable
1) Check the trigger source: check whether the ―Source‖ in menu of ―TRIG‖ is the
actual operating channel.
2) Check to see if the waveform is similar to what is expected. Make certain that the
timebase is in the expected range. It is common to not see a signal if the
timebase is set to sweep too fast.
3) Check the trigger type: ―Edge‖ trigger suits to general signal and ―Video‖ trigger
suits to video signal. The correct trigger type setting can be important in
obtaining a stable display.
4) Change the setting of trigger holdoff.
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