Stanford Research Systems SR785, Operating Manual And Programming Reference

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4-1
SR785 Dynamic Signal Analyzer
Chapter 4
Menus
The SR785 has a menu driven user interface. All operating parameters of the SR785 are grouped into
sixteen menus. The Menu keys each display a menu of softkeys. The softkeys at the right of the display
change depending upon the displayed menu.
There are three types of softkeys - buttons, lists and numeric values. A button performs a function, such
as <Full Span>. A list presents a list of choices or options in the entry field (at the top of the screen). Use
the knob to make a selection and press [Enter]. <Measurement> is an example of a list. A numeric value
presents the current value in the entry field and awaits numeric entry. Enter a new value with the entry
keys and press [Enter]. <Start Freq> is an example of a numeric value.
Some parameters can have different values or settings for each display. In these cases, the menu shows
the values or settings for the active display. Press [Active Display] to toggle the active display and show
the values or settings for the other display. <Measurement> is an example of such a parameter. Use
[Link] to link a parameter to a single display or to both displays at once.
Help for any key or softkey is available on screen by pressing [Help/Local]. Simply press any key for
help about that key or function. Press [0] to exit help.
In This Chapter
Frequency Menus 4-7
FFT Frequency Menu 4-7
Span 4-7
Linewidth 4-8
Acquisition Time 4-8
Full Span 4-8
FFT Lines 4-9
Base Frequency 4-9
Start Frequency 4-9
Center Frequency 4-10
End Frequency 4-10
Octave Frequency Menu 4-12
Highest Band 4-12
Lowest Band 4-13
Octave Resolution 4-13
Octave Channels 4-14
Swept Sine Frequency Menu 4-15
Start 4-15
Stop 4-15
Repeat 4-16
Type 4-16
Auto Resolution 4-16
Number of Points 4-17
Maximum Step Size 4-17
Faster Threshold 4-17
Slower Threshold 4-18
Order Frequency Menu 4-19
Max RPM 4-19
Min RPM 4-19
Max Order 4-19
Delta Order 4-20
Tracking 4-20
Track Setup 4-20