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Article ID: GXA1220 — Created: 2 Jul 2018 — Reviewed: 10 Sep 2019
Using uScope Navigator v4.3 with the uScopeGX, some users have observed a situation in which the selected analyzer angle is incorrect. The observed analyzer position seems to be offset 30° – 45° from its intended position. This improper behavior is obvious to experienced users.
This issue is caused when the illuminator for the polarized light path is restored to a setting that is too bright for the initial analyzer calibration. This can be duplicated by following these steps:
At this point, uScope Navigator re-calibrates the analyzer using the incorrect illuminator setting. The illuminator setting should be reset when the uScopeGX is initially connected to the PC. A software issue sometimes prevents the reset from taking effect and results in the inaccurate analyzer angle calibration.
There is a work-around for users who experience this problem:
The uScope Navigator software re-calibrates the analyzer each time the unit is powered on. The above process resets the analyzer angle calibration to the correct position.
We are working to resolve this problem and will include a fix in a subsequent release of uScope Navigator.
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