8.1.5 Do the same at position 2, then click 'NEXT' to proceed to the next position
for lens calibration;
8.1.6 Repeat the step in 8.1.5, follow the prompts to complete calibration of 9
positions (up, down, left, right, center, upper left, upper right, lower right, lower left).
Click "Finish" to complete the lens calibration.
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