User Manual

3.4 Setting FFT Analysis Conditions

The following settings can be made on the Waveform screen.

Press the SUB MENU keys to switch the displayed measurement items.

Changes to the displayed analysis results become effective when the settings

are changed.

• [FFT(1/2)]

Available settings are frequency range, number of analysis points, type of win-

dow function, trigger mode and pre-triggering

• [FFT(2/2)]

Available settings are analysis number, analysis mode, waveform color, analy-

sis channel and x/y axis display type

• [Trigger]

Available settings are trigger number and analog trigger settings

To change the analysis number to be displayed on the current Sheet, press the

F5 [Channel Set] key in the FN mode, and make settings in the dialog (⇒ p. 68).

3.4.10 Setting and Changing Analysis Conditions on

the Waveform Screen

Trigger mode and Pre-trigger

Select the trigger mode and pre-triggering (same as

for the Memory function).

Trigger Mode: Single, Repeat, Auto

Pre-trigger: -100 to 100% (1% or 1div step)

See "6.3 Setting the Trigger Mode" and "6.5 Pre-

Trigger Settings" in the Instruction Manual

Number of Analysis Points (⇒ p. 53)

(1000, 2000, 5000, 10000)

Frequency Resolution (during acquisition)

Press the SUB MENU key to display

[FFT(1/2)].

Changes can be made to frequency range, number of analysis points, type of window function,

trigger mode and pre-triggering

Use the CURSOR keys

to move the cursor to

each setting item, and

select your choice

with the F keys.

Frequency Range (⇒ p. 53)

Select whether to sample from an internal

(input module) or external (External Control

terminal) source.

Select the frequency range (133 mHz to 8 MHz).

FFT Window Function Type

(

⇒ p. 56)