- Emitting Indicator: Press any key. If the light is on, which means it is sending signal. If the light cannot be on, please change the battery.
- Arm key: It is for Away Home Mode. Press this key, main unit will take a short "Di" sound, then the main unit will be in arm state of away home mode.
- Disarm key: Press this key,main unit will take four short "Di" sound. Then the main unit will be in disarm state.
- Panic key: Press this key, main unit will make alarm sound immediately.