9-16 IM 701450-01E
Explanation
This section describes the procedures for setting the smoothing operation in normal
computation mode. If the user-defined computation option is installed, you must first
enter normal computation mode as described in section 9.1. For a description of the
setup procedure of user-defined computation, see section 9.9.
Turning ON/OFF the Computed Waveform Display and Computed Waveform Label
See section 9.1.
Operator
Select the operator Pass-Thru as the operator for Math1 and Math2. Select the Pass-
Thru operator when displaying the waveform to be computed that has been simply
scaled or smoothed. For details smoothing, see section 9.2.
When using the Pass-Thru operator and smoothing is ON
The waveform to be computed is displayed after smoothing.
When using the Pass-Thru operator and smoothing is OFF
The waveform to be computed is displayed without smoothing.
Waveform to Be Computed
The waveforms on which computation can be performed are as follows:
Computation Name Source
Math1 One channel from CH1 to CH4
Math2 One channel from CH1 to CH4 and Math1
• On the menu, CH1 to CH4 may be indicated as C1 to C4 and Math1 as M1.
• To perform computation on CH5 to CH8 on the DL7480, the optional user-defined
computation function is required.
Scaling
The operation is the same as for addition, subtraction, and multiplication. See section
9.2.
Unit of Computed Waveforms
The operation is the same as for addition, subtraction, and multiplication. See section
9.2.
Smoothing
The operation is the same as for addition, subtraction, and multiplication. See section
9.2.
Effects of Linear Scaling
If linear scaling is performed on the channel to be computed, computation is performed
using linearly scaled values.
Maximum Record Length That Can Be Computed
The operation is the same as for addition, subtraction, and multiplication. See section
9.2.
9.7 Smoothing Waveforms
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