Introduction
This manual provides instructions for the proper installation, operation, and maintenance of your Attwood 3540-7 LED Bi-Color Navigation Sidelights. These lights are designed to provide essential navigation lighting for marine vessels up to 65.6 feet (20 meters) in length. Please read these instructions thoroughly before installation and use.
Коопсуздук маалыматы
Always observe basic safety precautions when working with electrical systems on a boat. Failure to do so may result in property damage, serious injury, or death.
- Disconnect power to the circuit before installing or servicing the navigation light.
- Ensure all wiring connections are secure and properly insulated to prevent short circuits and corrosion.
- Verify that the light is suitable for your vessel's size and type according to local and international regulations (e.g., USCG, ABYC).
- Do not modify the product. Use only genuine Attwood replacement parts if necessary.
Пакеттин мазмуну
Орнотууну баштоодон мурун бардык компоненттер бар экендигин текшериңиз:
- Attwood 3540-7 LED Bi-Color Navigation Sidelight unit
- Монтаждоочу жабдыктар (бурамалар)
- Нускама баракчасы (бул документ)

Image: Attwood 3540-7 LED Bi-Color Navigation Sidelights in its retail packaging, showing the product and its UPC.
Орнотуу жана орнотуу
The Attwood 3540-7 is designed for deck mounting on the bow of your vessel.
Монтаждоо жери
- The light must be mounted on the centerline of the vessel's bow.
- тоскоолдуксуз камсыз кылуу view of the red (port) and green (starboard) lights from the required angles (112.5 degrees each, totaling 225 degrees forward).
- The light is rated for vessels up to 65.6 feet (20 meters) in length.

Сүрөт: алдыңкы view of the Attwood 3540-7 LED Bi-Color Navigation Sidelight, showing the clear lenses for red and green lights.
Орнотуу кадамдары
- Монтаждоо бетин даярдоо: Choose a flat, stable surface on the bow. Clean the area thoroughly.
- Бургулоо тешиктерин белгилөө: Position the light and mark the locations for the mounting screws. Ensure the light is oriented correctly with the red lens to port (left) and green lens to starboard (right).
- Бургулоочу тешиктер: Drill pilot holes appropriate for the provided mounting screws. Also, drill a hole for the wiring to pass through the deck.
- Зымдар: Connect the light's wires to your boat's 12-volt DC electrical system. Typically, the black wire is negative (-) and the colored wire (often red) is positive (+). Ensure connections are watertight and insulated. The light draws 2.4 watts at 12 volts DC.
- Secure Light: Fasten the light to the deck using the provided stainless steel screws. Do not overtighten. Apply a marine-grade sealant around the base of the light and screw heads to prevent water intrusion.
- Сыноо функциясы: Restore power and verify that both the red and green lights illuminate correctly. Check the integrated telltale indicators on top of the housing.

Сүрөт: бурчтуу view of the Attwood 3540-7 LED Bi-Color Navigation Sidelight, highlighting its compact design and stainless steel housing.
Иштөө нускамалары
The Attwood 3540-7 LED Bi-Color Navigation Sidelights operate as part of your boat's 12V DC electrical system, typically controlled by a switch at the helm.
- Жандандыруу: Turn on the designated navigation light switch on your boat's control panel.
- Telltale Indicators: The light unit features integrated telltale indicators on top of the housing. These small lights confirm that the main navigation lights are illuminated and functioning.
- Көрүнүш: The light provides 225 degrees of visibility, with 112.5 degrees for the red (port) light and 112.5 degrees for the green (starboard) light.

Image: The Attwood 3540-7 LED Bi-Color Navigation Sidelight with both red and green lights illuminated, demonstrating its operational state.
Техникалык тейлөө
The Attwood 3540-7 LED Bi-Color Navigation Sidelights are designed for durability and minimal maintenance.
- Тазалоо: Periodically clean the lenses with fresh water and a soft cloth to remove salt, dirt, or marine growth. Avoid abrasive cleaners that could scratch the lens material.
- Текшерүү: Regularly inspect the light for any signs of damage, loose mounting, or corrosion on the wiring connections.
- LED өмүрү: The LED elements are rated for over 50,000 hours of use and remain cool to the touch, reducing the need for frequent bulb replacement.
- Коррозияга каршылык: The unit features a corrosion-resistant, watertight housing, but proper installation and sealing are crucial for long-term performance in marine environments.

Сүрөт: Жогорку view of the Attwood 3540-7 LED Bi-Color Navigation Sidelight, showing the integrated telltale indicators and mounting screw.
Проблемаларды чечүү
If you encounter issues with your navigation light, refer to the following common problems and solutions:
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Жарык күйбөйт | No power, faulty wiring, blown fuse, or switch issue. | Check boat's fuse panel, wiring connections, and switch functionality. Ensure 12V DC power is reaching the light. |
| One side (red or green) does not illuminate | Internal LED failure on one side. | Contact Attwood customer support for warranty service if within the warranty period. |
| Light appears dim or flickers | Төмөн үнtage, poor connection, or corrosion. | Батареянын көлөмүн текшериңизtage. Inspect and clean all electrical connections. |
Техникалык шарттар
| Өзгөчөлүк | Деталь |
|---|---|
| Модель номери | 3540-7 |
| Көрүнүү | 2 Nautical Miles |
| Идиштин узундугу | 65.6 фут (20 метр) чейин |
| Power Draw | 2.4 Watts at 12 Volts DC |
| Жарык түрү | LED Bi-Color (Red & Green) |
| Монтаж түрү | Deck Mount |
| Турак жай материалы | Corrosion-resistant, watertight housing with stainless steel accents |
| LED өмүрү | Rated for over 50,000 hours |
| Өлчөмдөрү (L x W x Y) | Болжол менен 2 x 3 x 4 дюйм |
| UPC | 022697035400 |
Кепилдик жана колдоо
Attwood Corporation provides a 10-year warranty for the 3540-7 LED Bi-Color Navigation Sidelights against defects in materials and workmanship. For warranty claims, technical support, or replacement parts, please contact Attwood customer service directly. Keep your proof of purchase for warranty validation.
For further assistance, visit the official Attwood webсайтына кириңиз же алардын кардарларды колдоо бөлүмүнө кайрылыңыз.





