SIGLENT SDS1000D Manual do Utilizador descarregar pdf (Página 139)

131

4.2 Troubleshooting

1. After the oscilloscope is powered on，

，，

，the screen remains dark ，

，，

，please

do as following steps：

：：

：

⑴ Check the power cable’s connection.

⑵ Ensure the power switch is turned on.

⑶ After the inspections above，restart the oscilloscope.

⑷ If the oscilloscope is still not used after the checking, please connect

with Siglent

2. If there is no signal wave in the screen after gathering the signal,

please do as following steps:

(1) Check the probe connecting with the signal cable or not

(2) Check the signal cable connecting with the BNC connector or not.

(3) Check the probe whether connect with the goods tested or not.

(4) Check the tested goods produce the signal or not.

(5) Gather the signal again.

3. The value of the tested voltage is 10 times higher/lower than the real

one , please do as following steps:

Check the attenuation quotient whether match the probe attenuation

proportion or not.

4.Display the wave, but not steady , please do as following steps:

(1) Check the signal source on the trigger interface whether or not matches

the signal channel.

(2) Check the trigger mode: normal signal should use the “edge” trigger

mode. The video signal should use the “Video” Trigger mode. The signal

would display steady, only using the matching trigger mode.

(3) Attempt to change the “ coupling” into “HF Reject” or “LF Reject” display,

so that the High/low frequency noise disturb the trigger should be filtrated

5. Press “RUN/STOP” button, but no display.

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SIGLENT SDS1000D Manual do Utilizador Página 139