SignalShark User Manual
84
Using tone search (Display and Tone)
Basic steps for using tone search:
1.
Connect the antenna handle with an appropriate antenna to the SignalShark.
2.
Add a RT Spectrum task (if not already available) and add a Level Meter view to the task
(see Using Tasks and Views).
3.
Tap the Level Meter view to select it.
4.
In the Main menu set Ftune to your needs.
To simplify use, you may couple Fcent of the Spectrum view and Ftune of the
Level Meter view:
a.
In the Button bar long tap the Ftune button.
b.
Tap the Fcent = Ftune button to set it to On.
5.
Set CBW according to your signal (see Setting the channel / EMC bandwidth).
To enable and configure tone search:
1.
In the Display and Tone menu tap the Tone button to set it to On.
2.
Tap the Tone Gain button and select Octave per 30 dB from the dropdown list.
This is for ruff detection of the PIM source.
3.
Tap the Tone Reference button and change the value using the rotary knob, until the
resulting tone pitch is most comfortable.
Leaf this parameter opened for easy, continuous adjustment during operation.
If you have roughly located the PIM source:
1.
Tap the Tone Gain button and select Octave per 20 dB or Octave per 10 dB from the
dropdown list.
This is for fine detection of the PIM source. The tone pitch to signal level ratio will be
more agile and precise.
2.
Tap the Tone Reference button and change the value using the rotary knob, until the
resulting tone pitch is most comfortable.
Leaf this parameter opened for easy, continuous adjustment during operation.
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