Instructions
4.Advanced User Guidebook 
30 
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 
vertical 
division of the FFT waveform, 
turn the M knob to adjust it 
User 
Function 
Intg, Diff, Sqrt, and user defined function 
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 curre
nt 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. 
window 
Retangular 
Tapered 
Triangular 
Hanning 
Hamming 
Blackman 
Select window for digital filter 










