Operating Manual for UTD2000/3000
8
Loading: The prompt will display on the screen wit
schedule bar below it when calling out waveform
1. Please operate according to following steps for
black panel without display for digital s torage
oscillograph after pressing power switch
To check if power plugs are connected wit
normal power supply or not
To check if power switch is connected or not
To start up the ins trument again after above
inspection
Please contact UNI-T for service if the product
still can not be used normall
2. Please operate according to following steps if
there is no signal waveform in the image after signal
acquisition
To check if probe is connected to signal
connection wire or not normally
To check if signal connection wire is connected
to BNC (namely, channel connector) or not
To check if probe is connected to ar ti cles to
To check if signals are produced or not for
articles to measure. (Channels with signal and
those with any problem can be connected to find
out reasons
To acquire signals once again
3. Measured voltage amplitude is 10 times larger or
smaller than actual value. It has to check if channel
attenuation coefficient is consistent wit
4. With instable waveform display
To inspect setup of trigger source shown i
trigger menu to check if it is consistent with input
channel of actual signal or not
Inspection of trigger type: General signals shall
be inspected by edge trigger mode while video
trigger
Troubleshootin
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