Subject: Correct chambers for symmetry and flatness tests
Products affected: myQA Daily
Function affected: False test results due to incorrect chamber information
This Technical Note is to inform our myQA Daily customers of an error in Section 4.1. in the myQA Daily Instructions for Use. In this section, the indicated chambers (including the image) for symmetry and flatness measurements/tests are incorrect.
For symmetry and flatness measurements/tests the following number of chambers are used:
- Field size of 10 cm × 10 cm: 25 chambers.
- Field size of 20 cm × 20 cm: 61 chambers.
Illustration of the chambers used for symmetry and flatness measurements/tests (highlighted with purple boxes or blue circles); left: for 10 cm × 10 cm field (25 chambers); right: for 20 cm × 20 cm (61 chambers).
Please note, this will be corrected in the next version of the myQA Daily Instructions for Use.