Hantek HSA2030 User Manual page 22

In Zero Span mode, the start frequency, stop frequency and center frequency are always the
same. If one is changed, the others are updated to match.
You can modify this parameter using the numeric keys, knob or direction keys. Refer to
Parameter Setting
Start Frequency
Parameter
Default
Range*
Unit
Knob Step
Direction Key Step
*Note: The range is from 0 Hz to
Stop Freq
Set the stop frequency of the current channel. Press this key to switch to start/stop frequency
input mode and the start and stop frequencies are displayed at the lower left and right sides of the
grid respectively.
Key Points:
The span and center frequency vary with the stop frequency. The change of span would
You can modify this parameter using the numeric keys, knob or direction keys. For more
Stop frequency
Parameter
Default
Range*
Unit
Knob Step
Direction Key Step
*Note: The range is from 100 Hz to 3.2 GHz (1.6GHz) in non-zero span.
CF Step
Set the step of center frequency. Changing the center frequency in a fixed step continuously
switches the channel to be measured. Key Points:
span in Non-zero span mode or equals the RBW while in Zero span mode; in Manual mode,
you can set the step using the numeric keys.
After you set an appropriate CF step and select Center Freq, use up and down direction keys
to switch between measurement channels in a specified step in order to sweep the adjacent
channel manually.
You can modify this parameter using the numeric keys, knob or direction keys. For more
details, please refer to
CF step
Parameter
Default
Range
Unit
Knob Step
Explanation
0 GHz
100 Hz to 3.2 GHz (1.6GHz)
GHz, MHz, kHz, Hz
Span > 0, step = Span/200 Span = 0, step = RBW/100
Min = 1 Hz
CF step
3.2 GHz (1.6GHz)-100 Hz
Parameter Setting
Explanation
3.2 GHz (1.6GHz)
100 Hz to 3.2 GHz (1.6GHz)
GHz, MHz, kHz, Hz
Span > 0, step = Span/200 Span = 0, step = VBW/100
Min = 1 Hz
CF step
Explanation
320 MHz
1 Hz to 3.2 GHz (1.6GHz)
GHz, MHz, kHz, Hz
Span > 0, step = Span/200 Span = 0 , step = 100 Hz Min =
in non-zero span.
Span