How to check the horizontal alignment C20 and C22

INFRA C20 and INFRA C22 have a built-in check of the horizontal alignment, which is to be used when mounting the device.

Before starting monitoring, check the blue point in the display (Main screen) according to the figures below.

Figure 1. Correct alignment; the blue point is surrounded with a second white circle

Figure 2. Incorrect alignment; there is only one white circle, and the blue point is not centered.