GW Instek GDS-2000 Series - Page 30

GDS-2000 Series User Manual
30
Math key (1/2)
MATH
Operation
+
F 1
CH1+CH2
F 2
Position
0.00 Div
F 4
Unit/Div
2V
F 5
MATH
-12div ~ +12div
(4CH)
CH1+CH2/
CH3+CH4
(2CH)
CH1+CH2
Select math operation (+/–
F1
Select channel combination
F2
Set result position
F4→VAR
Math result vertical scale
F5→VOLTS/DIV
Math key (2/2)
Operation
FFT
F 1
Source
CH1
F 2
Position
0.00 Div
-12div ~ +12div
F 4
Unit/Div
1dB
20/10/5/2/1 dB
/RMS Voltage
F 5
MATH
Window
Hanning
F 3
Flattop/
Rectangular/
Blackman/
Hanning
(4CH) CH1/2/3/4
(2CH) CH1/2
MATH
Select math operation type (FFT)
F1
Select FFT source channel
F2
Select FFT window
F3
Select FFT result position
F4→VAR
Select vertical scale
F5
)