SIG
L
ENT
SSA3000X Plus User Manual 65
3.1 Basic Settings
3.1.1 Frequency
Switch to the Frequency Settings menu by pressing
Frequency
on the front panel. When entering the
frequency menu, the “Center Freq” is selected by default.
3.1.1.1
Center Freq
Set the modulated carrier frequency.
Table 3-1 Center Freq
Parameter
Explanation
Default
100 MHz
Range
Full Span
Unit
GHz, MHz, kHz, Hz
Knob Step
Freq Step/10
Direction Key Step
Freq Step
3.1.1.2
Freq Step
Setting the value of Freq Step will change the direction key step and knob step of the center frequency.
Table 3-2 Freq Step
Parameter
Explanation
Default
10 kHz
Range
1 Hz ~ 100 MHz
Unit
GHz, MHz, kHz, Hz
Knob Step
Freq Step/10, min 1 Hz
Direction Key Step
In 1-2-5 sequence
3.2 Measurement
3.2.1 Digital Modulation Analysis
When ASK, FSK, MSK, PSK or QAM modulation type is selected, digital modulation analysis is carried
out.
3.2.1.1
Format
Select the modulation format.
