How to adjust the brightness of FM-E31.
1 Zero shift,area mode,preset value, percentage, DTM, rising edge and falling edge function detection;
2 Light automatic gain and saturation recovery in harsh ambient
3 The quickest response speed is up to 50us;
4 Multi-mode selection for various detection ambient
5 NPN or PNP output function;
6 Single or two-way signal output function;
7 Switching quantity or analog quantity signal output;
8 Exchange of normal opening and closing and delayed detection function;
9 Mutual anti-interference function.