User manual

Reference
Math
Push the Math button to display waveform math operations. Push the Math
button again to remove math waveforms. (See page 103, Vertical Controls.)
Options Comments
+, -, ×, FFT Math operations; see the next table
Sources Sources used for the operations; see the next table
Position
Use the multipurpose knob to set the vertical position of the
resultant Math waveform
Ve rtical Scale Use the multipurpose knob to set the vertical scale of the
resultant Math waveform
The Math Menu includes Sources options for each operation.
Operation Sources option Comments
CH1 + CH2 Channels 1 and 2 are added
together
+ (addition)
CH3 + CH4
1
Channels 3 and 4 are added
together
CH1 - CH2 The channel 2 waveform is
subtracted from the channel 1
waveform
CH2 - CH1 The channel 1 waveform is
subtracted from the channel 2
waveform
CH3 - CH4
1
The channel 4 waveform is
subtracted from the channel 3
waveform
- (subtraction)
CH4 - CH3
1
The channel 3 waveform is
subtracted from the channel 4
waveform
CH1×CH2 Channels 1 and 2 are multiplied
together
× (multiplication)
CH3×CH4
1
Channels 3 and 4 are multiplied
together
FFT
(See page 55.)
1
Available only on a 4-channel oscilloscope.
Key Po ints
Waveform Units. The combination of source waveform units determine the
resulting units for the Math waveform.
Waveform unit Waveform unit Operation Resulting Math unit
VV
+or-
V
AA
+or-
A
TBS1000 Series Oscilloscopes User Manual 87