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4.Advanced User Guidebook
44
The Cursor Measurement for FFT mode
In FFT mode, push the Cursor button to turn cursors on and display the cursor menu.
The description of the cursor menu in FFT mode is shown as the following table:
Function
Menu
Setting Description
Type
Vamp
Freq
Freq&Vamp
AutoCursr
Display the Vamp measurement cursor and menu.
Display the Freq measurement cursor and menu.
Display the Freq and Vamp
measurement cursor
and menu.
The horizontal cursors are set as the intersections of
the vertical cursors and the waveform
Line Type
(Freq&Vamp
type)
Freq
Vamp
Makes the vertical cursors active.
Makes the horizontal cursors active.
Window
(Wave zoom
mode)
Main
Extension
Measure in the main window.
Measure in the FFT extension window.
Line
a
b
ab
Turn the M knob to move line a.
Turn the M knob to move line b.
Two cursors are linked. Turn the M knob to move
the pair of cursors.
Source Math FFT
Display the channel to which the cursor
measurement will be applied.
Perform the following operation steps for the amplitude and frequency cursor
measurement of math FFT:
1. Press the Math button to display the right menu. Select Type as FFT.
2. Push Cursor to display the cursor menu.
3. In the right menu, select Window as Extension.
4. Press the first menu item in the right menu, select Freq&Vamp for Type, two
blue dotted lines displayed along the horizontal direction of the screen, two blue
dotted lines displayed along the vertical direction of the screen. Cursor measure
window at the left bottom of the screen shows the cursor readout.
5. In the right menu, select Line Type as Freq to make the vertical cursors active. If
the Line in the right menu is select as a, turn the M knob to move line a to the
right or left. If b is selected, turn the M knob to move line b.
6. In the right menu, select Line Type as Vamp to make the horizontal cursors
active. Select Line in the right menu as a or b, turn the M knob to move it.
7. In the right cursor menu, you can select Window as Main to make the cursors
shown in the main window.
How to Use Executive Buttons
Executive Buttons include Autoset, Run/Stop, Copy.
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