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x dB
Noise BW
(ACP)
Integral BW
(ACP)
Offset Freq
(ACP)
Carrier BW
(CNR)
Noise BW
(CNR)
Offset Freq
(CNR)
Fundamental
Harmonics
Troubleshooting
This chapter lists the possible faults and troubleshooting methods of the spectrum analyzer.
Please follow the corresponding steps to handle it, if these methods is not work, please contact UNI-T
and provide your machine.
Device information (acquisition method: [System] >Information)
1.
After press the power soft switch, the spectrum analyzer still display a blank screen, and nothing is
displayed.
a.
Check whether the power connector is properly connected and the power switch is turned on.
b.
Check whether the power supply meets the requirements.
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
-100dB
100Hz
100Hz
0Hz
100Hz
100Hz
100Hz
100Hz
2
-0.1dB
8.41GHz
8.41GHz
4.204999950GHz
8.409999800GHz
4.404999950GHz
4.404999950GHz
4.200000000GHz
10
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