- This product has a variety of unique self-test functions, automatic temperature compensation, anti high frequency interference and other functions, the experiment proves that the detector can work reliably under the high frequency interference of 20~1000mhz (such as mobile).
- The circuit design adopts the pulse counting technology. P.COUNT selects the jump pin J1 for the pulse count, and selects to insert the first-stage pulse count for the general indoor environment.
- The selected one is the secondary pulse count for the harsh environment. The factory setting is one-stage pulse count.
- This product has the alarm output normally closed / normally open optional function, in order to facilitate the connection of different alarm host, the user can adjust the RELAY jump pin J2 on the PCB as needed. Select to insert N.C. (normally closed state), select to unplug N.O. (normally open state), the factory setting is N.C. (normally closed state).
- This product has an optional LED on and off, the user can adjust the ELD jumper J3 on the PCB as needed. Select to plug in the LED light, select to unplug the LED off, the factory setting is LED light state.
