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14.5 Advanced Operation
User can freely defined the operation of each signal of input channel to get different operation result of
MATH waveform.
(1) Expression
It can set on or off，turn on expression to pop out Math-Advance dialog box, as shown in Figure 14-
3.
Figure 14-3
Adjust the Multipurpose knob to select “Channel”, ”Function”, or ”Operator”, then press the knob to display
the options in the list after Expression.
When editing the expression, user can press the delete key to “delete", "clear" and "application" the
expression. After applying the expression, the oscilloscope performs operations according to the
expression and displays the result.
(2) Description of Math-Advance
a. Expression：Here refers to the formula consisting of channel, function, variable, and operator.
The length of the expression must not exceed 40 characters.
b. Channel：channel selection, it can select CH1，CH2.
c. Function：Function selection as shown in Table 14-2.
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