PLUSOPTIX A12C Short Manual page 7

The image is blurry and two red bars will be displayed next to the camera image. As the
measuring distance is too great, you can see the head of the patient virtually in its entirety.
Move the Plusoptix Binocular Autorefractor towards the patient until the camera image can
be seen in high-definition on the screen and both pupils are encircled in green.
The image can be seen in high-definition on the screen, the bars are green and both pupils
are encircled in green. As soon as both pupils are surrounded by a green circle, the line
between the pupils turns green and another warble sound can be heard. The Plusoptix
Binocular Autorefractor is now a metre away from the child and the measurement begins
automatically. A "ping" sound signalises the end of the measurement.
The image is blurry and two red bars will be displayed next to the camera image. As the
measuring distance is too small, the eyes can be seen on the screen. Move the Plusoptix
Binocular Autorefractor away from the patient until the camera image can be seen in high-
definition on the screen and both pupils are encircled in green.
Figure 4: Detecting the correct measuring distance
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