1. If the Aura absolute optical encoder is within alignment tolerances, is calibration necessary for the published accuracy specification? 2. How do I know if the Aura absolute optical encoder is within alignment tolerances? 3. Can the Aura absolute encoder tolerate fingerprints on the scale? 4. What communication interfaces are supported by the Aura absolute optical rotary encoder? 5. Why do Mercury optical encoders use a laser in the sensor readhead? 6. What is the biggest source of angular error? 7. How necessary is the calibration process for the Aura absolute optical encoder? 8. Is the alignment tool required for installing the Mercury II optical encoder? 9. Is the Smart Precision software included in the purchase of a Mercury II encoder? 10. How can I achieve up to 22 bits of resolution from the Aura absolute optical encoder? 11. How many Aura Series absolute optical encoders can be BiSS daisy-chained? 12. What is the difference between the Aura Series optical absolute encoder chip model part numbers AUR-R-B-0002-WP and AUR-R-B-0003-WP? 13. Are the communication protocols offered with Aura Series absolute optical encoders supported by Ingenia servo drives? 14. For the Optira encoder, why does the analog version not need calibration, whereas the digital version requires a calibration step? 15. Where can I access the SmartPrecision software for Aura? 16. Where can I access the SmartPrecision software for Mercury II? 17. I have installed SmartPrecision II and connected to the host PC through the ATMII5000 alignment tool but I am seeing an error message in the software. What is causing this error message? 18. Where can I access the SmartPrecision software for the SS200x, SS300x, and SS350x interpolators?