Download Chapter 2: Getting Started

Chapter 2: Getting Started
b. Operation:
Fan state
Backlight:
Green (normal) /
Orange (warning)
Temperature
current value
Buzzer state
CO2 current value
Humidity current value
Setting buttons
(a)Two level warnings and temperature unit setting:
(1)Press the SET button once to access the level 1 (L1) warning threshold
setup.
(2)Press the  or  button to increase or decrease the setting value,
100ppm per time.
(3)Press the SET button again to access the level 2 (L2) warning threshold
setup.
(4)Press the  or  button to increase or decrease the setting value,
100ppm per time.
(5)Press the SET button again to access the temperature unit setup.
(6)Press the  or  button to switch “°C” or “°F”.
(7)Press the SET button again to save and exit.
(b)Buzzer setup:
(1)When the buzzer beeps, press the ALARM button to stop.
(2)Long press the ALARM button for 3 seconds to switch ON or OFF the
buzzer.
c. Factory default:
(1)L1: 1200ppm
(2)L2: 2000ppm
(3)Temperature unit: °C
(4)Buzzer beeps: ON
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