Owner's Manual
Table Of Contents
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










