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SIGLENT
SSA3000X User Manual 42
Parameter
Explanation
Default
0 dB
Range
-200 dB ~ 200 dB
Unit
dB
Knob Step
1 dB
Direction Key Step
10 dB
3． Norm Ref Pos
Adjust the vertical position of the normalization reference level on the screen by adjusting the
reference position when normalization is enabled.
The function of this menu is similar to that of Norm Ref Lvl. When it is set to 0%, the
normalization reference level is displayed at the bottom of the screen grid and at the top when
it is set to 100%.
You can use the numeric keys, knob or direction keys to modify this parameter. For more
details, please refer to ―Parameter Setting‖.
Table 2-25 TG reference position
Parameter
Explanation
Default
100%
Range
0 ~ 100%
Unit
100%
Knob Step
1%
Direction Key Step
10%
4． Ref Trace
Set whether to display the reference trace or not. If ―View‖ is selected, the reference trace saved
(Trace D) will be shown in ―View‖ type.
Note: When normalization is enabled, the unit of Y-axis is ―dB‖ and will not be influenced by the
definition in AMPT->Units. At this point, ―(dB)‖ is displayed under the Y-axis scale in the user
interface.
2.2.8 Demod
Press Demod at the front panel to enter the demodulation setting menu. Both AM and FM
demodulations are available in this device.
2.2.8.1 Demod (AM/FM)
Set the demodulation type to AM or FM; or disable the demodulation function. The default is off.
The system will enable a marker automatically, place it at the center frequency and perform
AM (or FM) demodulation on this frequency point after you enable AM (or FM) demodulation.
Analyzer provides earphone jack and the demodulated signal can be output in audio
frequency (AF) mode through the earphone. The frequency and intensity of AF denotes the
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