### Adjust the Resolution Bandwidth.
1. Start by setting the resolution bandwidth to the lowest possible value. This will help improve the sensitivity at low frequencies.
2. Press the "Resolution Bandwidth" button on the spectrum analyzer and adjust the bandwidth settings to the lowest available option.
### Use Pre-amplification.
1. Turn on the pre-amplifier on the spectrum analyzer to boost the signal-to-noise ratio at low frequencies. This will help increase the sensitivity of the analyzer.
2. Locate the pre-amplifier control on the front panel of the spectrum analyzer and switch it on.
### Set the Reference Level.
1. Adjust the reference level on the spectrum analyzer to optimize the dynamic range for low frequency signals. This will help prevent overload and distortion.
2. Use the reference level knob to set the appropriate level for the signal you are analyzing.
### Adjust the Input Attenuation.
1. If necessary, adjust the input attenuation on the spectrum analyzer to optimize the input signal level. This will help prevent clipping and distortion at low frequencies.
2. Use the input attenuation control to adjust the signal level as needed.
### Use Signal Averaging.
1. Turn on signal averaging on the spectrum analyzer to reduce noise and improve accuracy at low frequencies. This will help provide a more stable and reliable measurement.
2. Locate the signal averaging function on the spectrum analyzer and enable it for the desired number of averages.
### Select a Proper Probe.
1. Use a low frequency probe or adapter to ensure accurate measurement of low frequency signals. This will help minimize interference and improve the quality of the analysis.
2. Connect the probe or adapter to the input of the spectrum analyzer to interface with the low frequency signal source.
By following these step-by-step instructions, you can maximize the performance of your spectrum analyzer for low frequency analysis. Each adjustment and setting will help improve sensitivity, accuracy, and overall performance when working with low frequency signals.
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