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Arming the System

Arming in Stay Mode

Use this mode when you are staying home, but expect someone to use the entrance door later. Close all protected perimeter windows and doors before arming. The green READY indicator on the keypad should be lit if the system is ready to be armed.

To arm in STAY mode:

+

 

OR press and hold

 

**

STAY

STAY

Your security code**

** See Quick Arming paragraph.

The keypad beeps three times and displays the armed STAY message. The red ARMED indicator lights and the system announces “ armed STAY–exit now .”

When armed in STAY mode, the system will sound an alarm if a protected door or window is opened, but you may otherwise move freely throughout the premises. Late arrivals can enter through the entrance door without causing an alarm, but they must disarm the system within the entry delay period or an alarm will occur.

Restarting Exit Delay While System Armed

Ask your installer if this feature is active for your system. If active, you can restart the exit delay at any time after arming in STAY mode. This is useful if you wish to open the entry/exit door to let someone in after arming the system, and avoids having to disarm the system and then re-arm it again.

To restart exit delay while system is armed in STAY mode: Press

STAY

key

Arming In Away Mode

Use this mode when no one will be staying on the premises. Close all protected perimeter windows and doors before arming. The green READY indicator on the keypad should be lit if the system is ready to be armed.

To arm in AWAY mode:

+

AWAY

Your security code**

OR press and hold

AWAY

**

** See Quick Arming paragraph.

The keypad beeps twice, or beeps continuously if exit warning has been programmed for your system, and displays the armed AWAY message. The red ARMED indicator lights and the system announces “ armed AWAY–exit now .”

When armed in AWAY mode, the system will sound an alarm if a protected door or window is opened, or if any movement is detected inside the premises. You may leave through the entrance door during the exit delay period without causing an alarm. You may also re-enter through the entrance door, but you must disarm the system within the

entry delay period or an alarm will occur.

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First Alert N8891-1 manual Arming the System, Arming in Stay Mode, Arming In Away Mode
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N8891-1 specifications

The First Alert N8891-1 is a technologically advanced smoke and carbon monoxide (CO) alarm that exemplifies safety and efficiency for modern homes. Designed to provide comprehensive protection against two of the most hazardous threats in residential environments, this device is engineered with an array of features that enhance its functionality and user-friendliness.

One of the standout features of the N8891-1 is its dual-sensor technology. This method combines both photoelectric and ionization sensing capabilities, allowing the alarm to effectively detect a wide range of fire types. Photoelectric sensors are particularly effective for smoldering fires, which may produce more smoke and take longer to ignite, while ionization sensors quickly respond to flaming fires. This combination ensures that users receive timely warnings, enhancing safety and increasing the chances of escape.

The First Alert N8891-1 is also equipped with a unique, easy-to-read digital display that provides real-time data about CO levels in the home. This feature is crucial, as carbon monoxide is an odorless and colorless gas that can be extremely harmful, if not fatal. The display not only indicates the current CO level but also provides users with alerts in case of an emergency or when the battery is low.

In addition to its advanced sensing capabilities, the N8891-1 includes a 10-year sealed battery, eliminating the need for frequent battery replacements and ensuring long-lasting performance. This feature provides peace of mind, knowing that the device will remain operational without the hassle of upkeep.

Another important characteristic is the alarm’s ability to interlink with other compatible smoke alarms in the household. When one alarm detects smoke or CO, all linked units will sound off, creating a synchronized response that further enhances safety throughout the home.

Furthermore, the First Alert N8891-1 is designed with user convenience in mind, featuring a single button for both testing the alarm and silencing false alarms, which can often occur when cooking or from other non-threatening sources.

Overall, the First Alert N8891-1 stands out as a reliable and sophisticated choice for those seeking to enhance their home’s safety features with a dual-function smoke and carbon monoxide detector that seamlessly combines advanced technology, ease of use, and sustainability.
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