1. Introduction and Overview
The ATN BINOX 4T is a pair of Smart HD Thermal Binoculars designed for observation, search, and recovery efforts. It features advanced thermal imaging, an integrated laser rangefinder, video recording capabilities, Wi-Fi connectivity, and an E-Compass. The ergonomic design ensures comfortable use, and the device is powered by an internal lithium-ion battery providing over 15 hours of operation.
Video: ATN Binox 4T Thermal Binoculars Overview. This video provides a general introduction to the features and design of the ATN BINOX 4T thermal binoculars.
2. Product Features
- Display Resolution: 1280x720x2 / Field of View: 16°x12.5°
- Magnification: 1.25-5X
- Range: 5-1000 yards/meters
- Video Record Resolution: 1280x720x2 HD display @ 60Fps
- BIX (Ballistic Information Exchange): Enables ATN's Smart HD devices to communicate and exchange information.
- Integrated Laser Rangefinder: For accurate distance measurement.
- Built-in IR Illuminator: Enhances visibility in low-light conditions.
- Long Battery Life: Over 15 hours of continuous use.
- Weather Resistant: Designed for use in various environmental conditions.
- ATN App (OBSIDIAN): For enhanced control and features.
3. What's in the Box
- ATN BINOX 4T Thermal Binoculars
4. Setup
4.1. Charging the Battery
The BINOX 4T features an internal lithium-ion battery. Connect the device to a power source using the provided USB-C cable to charge. Ensure the device is fully charged before first use for optimal performance.
4.2. Inserting MicroSD Card
Locate the MicroSD card slot, typically protected by a rubber cover. Insert a compatible MicroSD card (4GB to 64GB recommended) for storing recorded videos and photos. Ensure the card is inserted correctly until it clicks into place.
4.3. Powering On/Off
To power on the device, press and hold the power button until the display illuminates. To power off, press and hold the power button again until the display shuts down.
5. Operating Instructions
5.1. Focus Adjustment
Adjust the focus by rotating the focus ring located on the eyepiece until the image appears clear and sharp in the display. This allows for precise viewing of objects at various distances.
Video: How to use focus ring. This video demonstrates the proper technique for adjusting the focus ring on thermal binoculars to achieve a clear image.
5.2. Zoom Function
The binoculars offer a magnification range of 1.25-5X. Use the designated zoom buttons to increase or decrease the magnification level as needed for your observation target.
5.3. Thermal Imaging Modes
The BINOX 4T supports various thermal imaging modes, including Black Hot, White Hot, and different Color Modes. These modes enhance contrast and visibility depending on environmental conditions and user preference. Refer to the on-screen menu for mode selection.

Image: The display shows two thermal imaging modes: 'BLACK HOT/WHITE HOT' at the top, presenting a truck in grayscale thermal view, and 'COLOR MODES' at the bottom, showing the same truck with a vibrant, multi-colored thermal palette.
5.4. Video Recording
The device can record HD videos at 1280x720x2 resolution at 60 frames per second. To start recording, press the designated video record button. Press it again to stop recording. Videos are saved to the inserted MicroSD card.

Image: A pair of thermal binoculars is shown with a 'VIDEO RECORD' label. Below it, a thermal video clip is displayed, indicating the device's ability to capture and store footage on a Micro SD Card (4 to 64 GB).
5.5. Laser Rangefinder
Activate the integrated laser rangefinder to measure distances to targets with high accuracy. This feature is useful for precise targeting and navigation, both day and night.

Image: An illustration depicting a person using thermal binoculars with an active laser rangefinder. A red laser beam extends from the binoculars to a distant target, highlighting the built-in laser rangefinder and IR illuminator features.
5.6. BIX (Ballistic Information Exchange)
The BINOX 4T supports BIX, allowing it to communicate and exchange information with other ATN Smart HD devices. This feature can enhance coordination and data sharing in the field.

Image: A visual representation of the Ballistic Information Exchange (BIX) feature, showing the thermal binoculars wirelessly communicating with another ATN Smart HD device, likely a rifle scope, to share data.
5.7. Wi-Fi and ATN App
Connect the binoculars to your smartphone or tablet via Wi-Fi and use the ATN Obsidian App for remote control, live streaming, and managing recorded content.
6. Maintenance
To ensure the longevity and optimal performance of your ATN BINOX 4T, follow these maintenance guidelines:
- Cleaning Lenses: Use a soft, lint-free cloth specifically designed for optics. Gently wipe the lenses to remove dust and smudges. Avoid abrasive materials or harsh chemicals.
- Body Cleaning: Wipe the body of the binoculars with a damp cloth. Do not submerge the device in water.
- Storage: Store the binoculars in a cool, dry place away from direct sunlight and extreme temperatures. Use the protective caps for the lenses when not in use.
- Battery Care: Recharge the internal battery regularly, even if not in frequent use, to maintain battery health. Avoid fully discharging the battery for extended periods.
7. Troubleshooting
If you encounter issues with your ATN BINOX 4T, consider the following common troubleshooting steps:
- Device Not Powering On: Ensure the battery is fully charged. Connect to a power source and attempt to power on again.
- Unclear Image: Adjust the focus ring on the eyepiece. Ensure lenses are clean and free from obstructions.
- Recording Issues: Check if a MicroSD card is properly inserted and has sufficient free space. Ensure the card is compatible (4GB-64GB).
- Connectivity Problems (Wi-Fi/BIX): Ensure both devices are within range and Wi-Fi is enabled on the binoculars. Refer to the ATN App instructions for specific connection procedures.
- Firmware: Ensure your device's firmware is up to date. Check the manufacturer's website for the latest firmware and update instructions.
For persistent issues, contact ATN customer support.
8. Specifications
- Product Dimensions: 9.4 x 5 x 2.6 inches
- Item Weight: 2.5 pounds
- Item Model Number: TIBNBX4381L
- Batteries: 3 CR123A batteries required (included) - Note: Product description mentions internal lithium-ion, specifications list CR123A. Please verify with product packaging.
- Manufacturer: ATN
- Brand: ATN
- Age Range (Description): Adult
- Special Feature: Night Vision
- Objective Lens Diameter: 19 Millimeters
- Magnification Maximum: 5 x
9. Warranty and Support
ATN products are covered by a three-year limited warranty. For warranty claims, technical support, or further assistance, please visit the official ATN website or contact their customer service department.
Online Support: www.atncorp.com/support
Contact Information: Refer to the ATN website for the most up-to-date contact details.





