The first thing we always recommend is changing the battery. Even if it’s a brand new battery, we’d recommend changing it for another new one OR if you have a volt meter make sure it’s measuring 9V or higher. It’s amazing the number of ‘new’ batteries sold which are already low, directly from the store. [...]
No, the Optex Wireless 2000 system is designed to send a signal every time the sensor is activated. There is no way to introduce a reset time to stop the chime from sounding twice if two alarm signals are triggered back to back.
Simply turn the unit off, than back on while holding down the Button labelled 1.