93
FAQ
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The input signal does not appear in the display.
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I want to remove some contents from the display.
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The waveform does not update (frozen).
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The probe waveform is distorted.
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Autoset does not catch the signal well.
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I want to clean up the cluttered panel settings.
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The accuracy does not match the specifications.
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The SD card slot does not accept my card.
The input signal does not appear in the display.
Make sure you have activated the channel. If not, press the CH key.
If the signal still does not appear, press the Autoset key.
I want to remove some contents from the display.
To clear the math result, press the Math key twice (page46).
To clear the cursor, press the Cursor key again (page44).
To clear the Help contents, press the Help key again (page33).
The waveform does not update (frozen).
Press the Run/Stop key to unfreeze the waveform. See page36 for
details. For trigger setting details, see page61.
DSO-4000 User Manual
94
The probe waveform is distorted.
You might need to compensate the probe. For details, see page91.
Note that the frequency accuracy and duty factor are not specified
for probe compensation waveform and therefore it should not be
used for other reference purpose.
Autoset does not catch the signal well.
Autoset function cannot catch signals under 30mV or 30Hz. Please
use the manual operation. See page35 for details.
I want to clean up the cluttered panel settings.
Recall the default settings by pressing the Save/Recall key→Default
Setting. For default setting contents, see page32.
The saved display image is too dark on the background.
Use the Inksaver function which reverses the background color. For
details, see page81.
The accuracy does not match the specifications.
Make sure the device is powered on for at least 30 minutes, within
+20°C~+30°C. This is necessary to stabilize the unit to match the
specification.
The SD card slot does not accept my card.
Make sure it is a 1. Standard SD card (MMC and SDHC are not
supported), 2. 2GB or less, and 3. FAT or FAT32 formatted.
For more information, please contact your local dealer.
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