TCL Breeva A2W Manual Del Usuario página 13

Instructions
Filter
Light on
Air quality (no button function)
The icon will change based on your quality of air measured by the dust and VOC sensor.
When the light is white, the air quality is excellent;
When the light is yellow, the air quality is medium;
When the light is red, the air quality is poor.
Wi-Fi connection (only for breeva A2 Wi-Fi)
The internal timer calculates the cumulative running time. When the
filter indicator flashes red (each time it powers on), and the buzzer
sounds three times, it indicates that the filter will need to be replaced
soon. When the filter indicator flashes red (each time it powers on) and
the buzzer sounds five times, you will need to replace the filter as soon
as possible (The time of the timer is calculated by laboratory simulation
test, which may not be completely consistent with actual use. In heavy
usage scenarios, you may need to replace the filter before the time
expires).
After replacing the filter, press and hold the filter reset button for 3
seconds, the buzzer will sound once, and the indicator light will turn
white.
In standby mode, press and hold the power button for 3 seconds. The
buzzer will then make a sound indicating the unit is ready to pair.
As the unit begin to pair, the WiFi icon will begin to flash quickly.
Once the unit has finished pairing and is connected to WiFi, the icon will
appear solid as long as it remains connected.
WiFi pairing will automatically turn off if there is action after 8 minutes.
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