Introduction
The Linear ACT-31B 1-Channel Keychain Transmitter is designed for use with Linear Access MegaCode receivers and controllers. This compact device provides convenient remote access, operating on a frequency of 318 MHz. It is equipped with a single channel for activation and includes two 2016-type Lithium batteries for immediate use. Its design focuses on portability and ease of integration with compatible Linear systems.
Продукт бүттүview

Figure 1: Linear Act-31B 1-Channel Keychain Transmitter. This image displays the black, oval-shaped keychain transmitter with a single gray circular button on its face. It is attached to a metal split key ring via a black plastic quick-disconnect mechanism, highlighting its compact and portable design.
Негизги өзгөчөлүктөрү:
- MegaCode Format: Factory-programmed to support over 1 million unique codes, ensuring high security.
- Бир каналдуу иштөө: Designed for straightforward control of one compatible Linear access device.
- Иштөө жыштыгы: Functions at 318 MHz for reliable signal transmission.
- Компакт дизайн: Features a quick-disconnect key ring for easy attachment to keys or other items.
- Кубат булагы: Powered by two 2016-type Lithium batteries (included).
Жайгашуу
To set up your Linear ACT-31B Keychain Transmitter with a compatible Linear Access MegaCode receiver or garage door opener, follow these steps:
- "Үйрөнүү" баскычын табыңыз: On your Linear garage door opener unit (typically mounted on the ceiling), locate the 'LEARN' button. This button is usually small and may be red or another color, often accompanied by an LED indicator.
- Үйрөнүү режимин иштетүү: Press and release the 'LEARN' button on your garage door opener. The LED indicator light on the opener should illuminate or flash, indicating that the unit is now in learn mode and ready to accept a new remote code.
- Program the Transmitter: Within approximately 30 seconds of activating the learn mode on the opener, press the button on your ACT-31B Keychain Transmitter. Hold the button down for a few seconds. The LED light on the garage door opener should blink or turn off, confirming that the transmitter has been successfully programmed.
- Сыноо операциясы: Release the button on the transmitter. Wait a few seconds, then press the button again to test if the garage door responds. If the door opens or closes, the programming was successful.
If the transmitter does not work after following these steps, refer to the troubleshooting section or the full installation manual for your specific garage door opener model.
Иштөө нускамалары
The Linear ACT-31B is a single-channel transmitter, meaning it controls one device. To operate your garage door or compatible Linear access device:
- Жандандыруу: Simply press and release the single gray button on the face of the transmitter.
- Диапазон: The transmitter has a maximum operating range of approximately 10 meters (33 feet). Optimal performance is achieved within this range, though environmental factors can affect signal strength.
- Жыштыгы: The device transmits on a 318 MHz frequency. Ensure your receiver is compatible with this frequency.
Техникалык тейлөө
Батареяны алмаштыруу:
The ACT-31B transmitter uses two 2016-type Lithium batteries. If the transmitter's range decreases significantly or it stops responding, the batteries may need replacement.
- C ачыңызasing: Өткөргүчтү кылдаттык менен ачыңыз casing. This may involve gently prying it open along the seam with a small flat-head screwdriver or similar tool.
- Эски батареяларды алып салуу: Note the orientation of the existing batteries (+/-). Remove the old 2016-type Lithium batteries.
- Жаңы батарейкаларды салыңыз: Insert two new 2016-type Lithium batteries, ensuring they are correctly oriented according to the polarity markings inside the casing.
- Жабуу Casing: C сүрөтүн тартып алыңызasing кайра бекем бириктирилет.
After replacing the batteries, it may be necessary to re-program the transmitter to your garage door opener if it does not respond immediately. Refer to the 'Setup' section for programming instructions.
Проблемаларды чечүү
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Өткөргүч иштебейт. | Өлгөн же аз батареялар. | Replace the two 2016-type Lithium batteries. |
| Transmitter has reduced range. | Weak batteries or environmental interference. | Replace batteries. Ensure no large metal objects or strong radio signals are blocking the path. |
| Transmitter was working, now it isn't. | Loss of programming or incompatible receiver. | Re-program the transmitter following the 'Setup' instructions. Verify your garage door opener is a Linear Access MegaCode compatible model. |
| Must press button repeatedly for it to work. | Intermittent signal or weak connection. | Check battery strength. Ensure the transmitter is within optimal range. Re-program if necessary. |
Техникалык шарттар
- Модель номери: ACT-31B
- Продукциянын өлчөмдөрү: 0.48 x 1.25 x 2.25 дюйм
- Элемент Салмагы: 0.48 унция
- Түсү: Кара
- Батареялар: 2 Lithium Metal batteries (2016-type) required (included)
- Байланыш технологиясы: Радио жыштыгы
- Иштөө жыштыгы: 318 МГц
- Максималдуу диапазон: 10 метр (болжол менен 33 фут)
- Өзгөчөлүктөр: Эргономикалык, жеңил
- Шайкеш түзмөктөр: Linear Access MegaCode receivers and controllers
- Өндүрүүчү: Linear / Nortek
- Кутуда эмне бар: Key Chain Transmitter (1 Channel)
Кепилдик жана колдоо
For specific warranty information regarding your Linear ACT-31B 1-Channel Keychain Transmitter, please refer to the documentation included with your purchase or contact Linear customer support directly. Warranty terms may vary.
Additional support resources, including detailed installation and user manuals, are available:
- Орнотуу боюнча колдонмо (PDF): View Орнотуу боюнча колдонмо
- Колдонуучунун колдонмосу (PDF): View User Manual
For technical assistance or further inquiries, please contact Linear customer service.





