Aligna
®
4D User Manual
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which gives two main advantages: 1. The display is less confusing. You can observe the real
drift, which might be small compared to the shot-to-shot noise.
2. The motors will remain at rest if the AVERAGE pointing stays in rest. This leads to a better
beam stability (see below: MotorWork Threshold).
"LP" defines the low pass strength (up to now in seconds, the higher the value, the slower, the
stronger the filtering, the slower the observed movement.