MED-TAB v.1 User Manual PUB INT EN – 003TR
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4.5
Determnation of Ambient Light
Applicable rules and regulations, e.g. DIN 6868-157, define various reading conditions
according to maximum ambient light.
4.5.1
Getting started
To start the visualization of the ambient light, start the CALCON app. A colored circle appears,
showing the estimated ambient light in Lux, e.g.:
This button indicates the ambient light and can be moved anywhere on the screen. Just tap on
it and hold to move it freely all over the display. The button stays visible even when CALCON is
minimized.
4.5.2
Ambient light classification
Ambient light
Classification
<50 lx
Green: diagnostic reading conditions
<100 lx
Yellow/Green: Conditions for therapy relevant
decisions
<500 lx
Yellow: Conditions to perform medical
procedures
<1000 lx
Yellow/Red: viewing conditions
>1000 lx
Red: no viewing conditions
