PLUSOPTIX A12C User Manual page 57

f) Too much IR ambient light!
In this example the sun is shining onto the patient's face from the left side. This is
Cause: This error message is displayed if too much infrared light is present in the
examination room.
Reason: The measurement takes place with infrared light and other infrared light sources
(e.g. sun, halogen lamps, globes etc.) are an interference factor.
Tip: Close the curtains to shut out sunlight, and switch off, dim or turn away light
sources that radiate heat.
g) Measurement incomplete!
In this example the patient is sitting at an angle to the camera and is looking slightly
over her right shoulder. This can be seen by the fact that the nose is visible from the
apparent from the shadow caused by the nose.
side.
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