Next, the corresponding Operational Data channels should be mapped to the Master Channels. Within the Operational Data module, select the desired dataset in the Operational Data card and open the Channel Mapping card; the channels of this selected dataset will be displayed in the left table of the Channel Mapping card. To map the channels, simply select the desired channels (using the CTRL and SHIFT keys as needed) in the left table and drag them to the corresponding channels in the right table of Master Channels. If this step is performed correctly, the corresponding rows for the selected channels will turn green in both the left table (selected dataset channels) and right table (Master channels). Numbers will also appear in the “Mapped to” column in the left-hand table containing channels for the selected dataset (see Figure 8‑1).
Alternatively, a simpler method for channel mapping exists for cases where the operational data channels have the same names as the FRF data channels. In this case, we can simply “copy” the channel mapping from the FRF dataset.
To do this, in the Operational Data card, right click on the desired operational run, select “Copy Channel Mapping From”, “FRF Data Channels” and select the correct one, as shown in Figure 8‑2. If the mapping is performed correctly, again the channels will turn green and the “Mapped to” column will be filled in with the correct indices.
Figure 8-2: Mapping channels from another dataset
When analyzing sequences, they will automatically copy the channel mapping from the operational dataset they were generated from. Thus, it is necessary to map the channels of the “parent” operational dataset, and the channels of the sequences will be automatically mapped.
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