Ceyear 4051 Series, User Manual

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4. Operating Instruction
4.2 Advanced operation guide
164
Fig. 4.83 Results of Spectrum Emission Mask Measurements
Step 8. The user can change the measurement parameters:
 Press
【
Meas Setup
】
, [Ref Channel
▶
].
Users can select and edit measurement parameters of the reference channel as needed.
 Press 【 Meas Setup 】 , [Offset/Limit ▶ ].
Users can select and edit measurement and qualifying parameters of offset channel as required.
4.2.19 Display and limit lines
Capability of display and limit lines contribute to further analysis of the measurement trace.
4.2.19.1 Display line
Display line is similar to mark, which can help analyze the measurement trace.
4.2.19.2 Function set of display and limit lines
1) Display line setup
Step 1. Press the key 【 Display 】 on the front panel surface.
Step 2. Press soft menu [Display line On / Off], and turn on display line, and the screen will show a
green line.
Step 3. Use the numeric keypad, arrow keys or knob to modify the amplitude value of the display line.
2) Settings and functions of the limit line.
Signal / spectrum analyzer can display 6 limit lines simultaneously.
Step 1. Turn on the limit line function:
 Press key
【
Meas Setup
】
on the front panel.