1. Plug and Play Plug in the power directly, the alarm will count down from 9999-1111 warm-up, the countdown is over, the LED is off, only the green indicator light is on, indicating that it has entered the normal working state
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2. Normal Work Real-time monitoring of the carbon monoxide content in the surrounding environment. When carbon monoxide concentration ≥150ppm Sound and light alarm will be emitted, long press the SELF-TEST button for 3 seconds to silence the sound
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3. Measure Whether the Alarm is Working Under normal circumstances, press the SELF-TEST button to alarm the alarm, indicating that the alarm is working normally (press and hold the SELF-TEST button for 3 seconds to silence). You can also use the lighted cigarette gas to aim at the sensor position. When the alarm has a numerical display or Get an alarm above 150PPM, indicating that the alarm is working properly
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