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OS Series Handheld DSO & DMM
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Taking the FFT operation for example, the operation steps are as follows:
1.
Press MENU key and the function menu appear on the right side of the screen.
Press MENU ▲ or MENU ▼ key to select FFT MODE. Five items selectable are available
2.
at the bottom of the screen.
3.
Press F1 to set ON. The green waveform F is shown in the screen after calculation.
4.
Press F2 to switch between channel CH1 and CH2 and the current status of channel shows
on the top left.
5.
Press F3 to switch over Window including Hamming, Rectangle, Blackman and Hanning.
6.
Press F4 to switch over Format dB and Vrms.
Press F5 to zoom in or out the waveform, the magnification includes ×1, ×2, ×5, ×10.
7.
① If the FFT source is CH1, press VOLTS POSITION (red) ,
8.
One of the following three prompts circularly will show at the bottom-left of the screen
when the format is dB.
▲/▼
— CH1 Volts/Div
▲/▼
— FFT Zero
▲/▼
— FFT dB Scale
One of the following two prompts circularly will display at the bottom-left of the screen
when the format is Vrms.
▲/▼
— CH1 Volts/Div
▲/▼
— FFT Zero
Press VOLTS POSITION (blue) and the screen show as follows:
▲/▼
— CH2 OFF
② If FFT source is CH2, press VOLTS POSITION (blue),
One of the following three prompts circularly will display at the bottom-left of the
×1
Set multiple ×1
×2
Set multiple ×2
×5
Set multiple ×5
×10
Set multiple ×10
67
8-Advanced Function of Oscilloscope
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