Ceyear 4051 Series, Руководство пользователя

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3 Introduction to Use
3.3 Basic measurement methods
39
6)
To display measurement setting of graticule area data.
Center frequency:
1.000000000GHz
Sweep time: 5.50000 ms (1001 points) Frequency bandwidth:
2.200000000GHz
Resolution bandwidth: 3.00
MHz Video bandwidth: 3.00 MHz Sweep type: sweep
Description of settings of general purpose hardware is as shown in Table 3.12.
Table 3.12 Description of settings of general purpose hardware.
Message content Symbol Meaning
Reference level Reference level 0.00dBm Reference level value currently set for the
instrument
Scale Type
Logarithm/linear
Scale type set
Scale/Division
10.0dB/grid
Scale value of each graticule on Y axis
Center
frequency:
Center Freq: 1.000000GHz
To display the center frequency of the screen
Span
Span: 2.200000GHz
To display the frequency range of the screen
[Scanning time
Sweep time: 4.400 ms (1001 points)
Sweep time/display count set
Resolution
bandwidth
RBW: 3.00 MHz
Resolution bandwidth set
[Video
bandwidth
VBW: 3.00 MHz
Video bandwidth set
Sweep mode
Sweep Type:
“Auto”
“Swept”
“FFT”
To display the spectrum sweep mode
currently selected.
7) Instrument and status information
The instrument status and error messages (if any) are shown in the status bar at the bottom right of the table.
a) Measurement progress
To display current operation progress in the status bar at the bottom left of the table.
b)
Error messages
If any error or abnormality is detected, corresponding error code and error message will be displayed at the
right of the status bar. See Schedule 3 Local Error Message Table of Appendix C Error Message Index for
meanings of error codes.
c) Date/time