| Standby mode | After the product is installed, if the smoke alarm device operate properly, the red LED flashes once every 48 seconds |
| Alarm mode | When the smoke alarm device detect particles of combustion and the concentration of smoke reaches the alarm threshold, the red LED will flash once per second with pulsating alarm until the smoke is disappeared |
| Low battery mode | When the battery voltage bleow threshold, the red LED will flash once every 48 seconds with a sound of "chrip" |
| Fault mode | If the alarm detection signal decays below threshold, the alarm chirp occurs without LED flashes every 48 seconds |
| Silence mode | Press the test button at least 2 seconds, it will go into silence mode for approx 8 minutes. That will desensitize the alarm sensitivity temporarily. At this time, the red LED will flash once every 8 seconds |
| Non disturb mode | When the alarm device is in low battery mode, in order to avoid disturbing your at night, Please press the test button for 3 seconds which will mute this warning tone for about 14 hours. The red LED will flash once every 48 seconds during No disturb mode. |
| Test mode | Test the unit to ensure operate properly by pressing the test button. At this time, the red LED will flash once per second with pulsating alarm until test button is released |
| NOTE | WEEKLY TESTING IS REQUIRED |
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