7
.
Troubleshooting
7. Troubleshooting
1. The screen is still black and there is no display after you press the
power switch, please follow the steps below
：
Check whether the power is connected correctly.
Check that the voltage selector is in the correct gear.
Check whether the fuse below the power connector meets the
specified type and rating and in good condition (the cover can be
pried open with a flat-blade screwdriver).
Restart the instrument after completing the above inspections.
If the problem still exists, please contact us for our service.
2. The measured value of the output signal amplitude does not match
the displayed value
：
Check whether the actual load value of the signal is consistent with the
load value set in the instrument. Please refer to Channel Settings on page
31.
If you encounter other problems, please try to restart the instrument. If it still
can not work properly, please contact us for our service.
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