Tony, you can do a PE check using K3 V2. In the Drift Explorer window , center top is an icon that will log your drive performance. You can then export it to Excel and convert it to a chart. Here's the process.
Periodic error measuring:
The procedure is very simple:
1, Set the appropriate sampling interval (e.g. 500ms)
2, Target the required star
3, Press the Log to File button
4, Wait about 10-20 minutes
5, Close the logged file by pressing Log to File button again
6, Import the logged file into Excel program and create the required graphs
To find out where the log files are stored or to set the directory to store them look in the sttings dialogue box under guiding (You know the toolbar button that looks like a hammer, screwdriver and spanner. See image
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