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Parameter Download Options
The batch download check box on the External Mode Control Panel enables or disables batch parameter changes.
By default, batch download is not enabled. When batch download is not enabled, changes made directly to block parameters are sent immediately to the target. Changes to MATLAB workspace variables are sent when an Update diagram is performed.
When batch download is enabled, the Download button is enabled. Changes made to block parameters are stored locally until you click the Download button. When you click the Download button, the changes are sent in a single transmission.
When parameter changes have been made and are awaiting batch download, the External Mode Control Panel displays the message Parameter changes pending... to the right of the download button. (See Figure 6-9.) This message disappears after Simulink receives notification from the target that the new parameters have been installed into the parameter vector of the target system.
Figure 6-9 shows the External Mode Control Panel with the batch download option activated.
Figure 6-9: External Mode Control Panel in Batch Download Mode
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