User’s Manual UTS1000B/T Series
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c.
Check whether the fuse of the machine is installed or blown.
2. Press the power switch, if the spectrum analyzer still display blank screen and nothing is displayed.
a.
Check the fan. If the fan rotates but the screen is off, the cable to the screen may be loose.
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.
