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ik vermoed dat je bedoeld knop aan = zichtbaar en knop uit onzichtbaar? 

dan moet je on state : oppacity op 255 zetten 

                       off State : oppacity op 0 zetten


You have to look in your designer file for these parameters. 

for example you have a router : . and on its first dali line you want to know the feedback of the 5th device your setting will be : 

Cluster : 10

Router : 1 

Subnet: 1 

Device : 5 

use timer YES  

Time : 1000

Iridium is used on a windows embedded version so i cant swipe. i have to link a keyboard to the screen to exit the menu. but when my screen is build in to the wall i don't have that option anymore.