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Quick Start Guide
b.
Check the fan. If the fan does not rotate and the screen is off, it presents the instrument is not
enabled.
c.
In case of the above faults, do not disassemble the instrument by yourself. Please contact UNI-T
immediately.
3. Spectral line is not updated for a long time.
a.
Check whether the current trace is in update state or multiple averaging state.
b.
Check whether the current is meet the restriction conditions. Check the restriction settings and
whether there are restriction signals.
c.
In case of the above faults, do not disassemble the instrument by yourself. Please contact UNI-T
immediately.
d.
Check whether the current mode is in the single sweep state.
e.
Check whether the current sweep time is too long.
f.
Check whether the demodulation time of the demodulation listening function is too long.
g.
Check whether the EMI measurement mode is not sweeping.
4. The measurement results are incorrect or not accurate enough.
Users can obtain detailed descriptions of technical index from the back of this manual to calculate system
errors and check measurement results and accuracy problems. To achieve the performance listed in this
manual, you need:
a.
Check whether external device is properly connected and work.
b.
Have a certain understanding of the measured signal and set appropriate parameters for the
instrument.
c.
Measurement should be performed under certain conditions, such as preheating for a period of time
after starting up, specific working environment temperature, etc.
d.
Calibrate the instrument regularly to compensate for measurement errors caused by instrument aging.
If you need calibrate the instrument after the guarantee calibration period. Please contact UNI-T
company or obtain paid service from authorized measurement institutions.
Appendix
Maintenance and Cleaning
(1)
General Maintenance
Keep the instrument away from the direct sunlight.
Caution
Keep sprays, liquids and solvents away from the instrument or probe to avoid damaging the instrument
or probe.
(2) Cleaning
Check the instrument frequently according to the operating condition. Follow these steps to clean the
external surface of the instrument:
a. Please use a soft cloth to wipe the dust outside the instrument.
b. When cleaning the LCD screen, please pay attention and protect the transparent LCD screen.
c. When cleaning the dust screen, use a screwdriver to remove the screws of the dust cover and then
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