Ceyear 4051 Series, User Manual

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3 Introduction to Use
3.3 Basic measurement methods
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Step 4. move the marker:
 Click and drag the marker with the mouse or use the knob or the arrow keys to move the marker
to other places. Current position of the marker is indicated with a white diamond box as shown in
Fig. 3.20.
3.3.2.3 Peak list
The marker peak list can automatically determine frequency and level in the spectrum.
Step 1. execute Continuous Sweep Off:
 Press
【
Single
】
on the front panel for the instrument to sweep once.
Step 2. open Peak List window:
 Press 【 Peak Search 】 to open the peak search soft menu.
 Press [More1/2], [Peak Table>>] and [Peak Table On/Off] to open a new window of marker peak
list as shown in Fig. 3.21.
Fig. 3.21 The interface of opening peak table
Step 3. enable Peak Search:
 Press
【
Peak Search
】
to open the peak search soft menu; press [More 1/2], [Peak Criteria
▶
] and
[Peak Threshold On/Off] to set the peak threshold as -68dBm as shown in Fig. 3.22.
In order to obtain the noise-free peak and meet users‘ peak requirement, parameter such as the peak offset and
the peak threshold in the peak criteria menu can be set to screen the peak list. For example, to set a threshold
higher than the noise floor.
In the peak list, only a peak over -68dBm is included. The marker peak list displays determined peaks higher
than the set threshold.