Owon XDS4000 Series - Page 34

4.Advanced User Guidebook
28
Vertical
(V/div)
Turn the M knob to adjust the vertical division of the
Math waveform
FFT
Source
CH1
CH2
CH3
CH4
Select the FFT source.
Window
Hamming
Rectangle
Blackman
Hanning
Kaiser
Bartlett
Select window for FFT.
Format
V RMS
Decibels
Radian
Degrees
V RMS and Decibels are
Hori
(Hz)
Position value
Time base
value/
Switch to select the horizontal position
or time base of the FFT waveform, turn
the M knob to adjust it
Vertical
Position value
Division value/
Switch to select the vertical position or
voltage division of the FFT waveform,
turn the M knob to adjust it
User
Function
Edit
Intg, Diff, Sqrt, and user defined function
Vertical
（div）
Turn the M knob to adjust the vertical position of the
Math waveform
Vertical
（V/div）
Turn the M knob to adjust the vertical division of the
Math waveform
DIR
channel
CH1
CH2
Select channel
type
low-pass
Only the signals whose frequencies
are lower than the current cut-off
frequency can pass the filter.
high-pass
Only the signals whose frequencies
are greater than the current cutoff
frequency can pass the filter.
band-pass
Only the signals whose frequencies
are greater than the cutoff frequency
down and lower than the current cutoff
frequency upper can pass the filter.
band-reject
Only the signals whose frequencies
are lower than the current cutoff
frequency down or greater than the
current cutoff frequency upper can
pass the filter.