Owner's Manual

BROWAN COMMUNICATIONS INC. All rights reserved. 3
3. Operation
3.1 Installation Mode
Users need to press the button over 5 seconds to activate operation into installation mode. When the Sensor tries to
join the network, it will keep blinking the yellow LED for 3 seconds.
Once the sensor joins the network, the yellow LED will keep on for 3 seconds and send an uplink with a CO2 value of 0.
Users can press the button for over 5 seconds to try to join the network again.
3.2 Default Operation
During default operation the device will send a message to the network anytime there is a sufficient delta in the
environmental conditions
CO2 over the threshold (Buzzer alarm)
Button pressed (No buzzer alarm)
Keepalive message (No buzzer alarm)
The precise trigger values can be found in 4.1.2.
Users can press the button to send a test message to the network.
When the user waves in front of the sensor, the LEDs will show the CO2 status as below for 5 seconds. (Table 1).
Default disable.
The device will send a message that it has been inactive for 60 minutes.
The device will detect the environment every 10 minutes.
While in default mode the device will flash the yellow LED 3 times within 100ms only when the user presses the test
button.
The device will send uplink three times with FW version when the device joined successfully.
CO2 PPM
Air Quality
LED Color Indication
> 1000
Poor
Red
800~1000
Fair
Yellow
< 800
Good
Green
Table 1. CO2 Air Quality LED indicator