User manual
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lowest value it is presented. On the contrary, the highest level of brightness, 
the highest value it is presented.   
5.  Hotkey: You may set the hotkey LED light brightness, the value is from 0 
~100.   
6.  Key Status: When you press Hot key, the status will change from 0 to 1.   
7.  Key function Definition: You may set the parameter to connect the 
application program of the hot key.   
TREK-550 User Manual
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