GTMEDIA N4 Night Vision Binoculars User Manual

1. Introduction

Thank you for choosing the GTMEDIA N4 Night Vision Binoculars. This device is designed to enhance your visual senses in various lighting conditions, from complete darkness to bright daylight. It features 5x digital zoom, 7 levels of adjustable infrared light, and capabilities for photo and video recording. Its innovative head-mount support and external microphone input make it ideal for outdoor activities, wildlife observation, hunting, and tourism.

Please read this manual thoroughly before using the device to ensure proper operation and to maximize your experience.

Figure 1: GTMEDIA N4 Night Vision Binoculars - Front View

The GTMEDIA N4 Night Vision Binoculars are a compact, black device with prominent lenses and control buttons on the top surface. It features a focus adjustment dial labeled "NEAR" and "FAR" on the front, and a mount for head-strap attachment.

2. Setup

2.1 Unboxing and Package Contents

Carefully unpack all items from the product box. Ensure all components are present:

• 1 x GTMEDIA N4 Night Vision Binoculars
• 1 x User Manual (this document)
• 1 x Storage Bag
• 1 x Cloth Bag
• 1 x Shoulder Strap
• 1 x Lens Cloth
• 1 x USB Type-C 2.0 Charging Cable
• 1 x SD Card Reader (USB adapter)
• (Optional) TF Card (up to 128 GB, may be pre-installed or included separately)

2.2 Charging the Battery

The device comes with a built-in 3.7V 2000mAh lithium battery. For optimal performance, fully charge the device before first use.

1. Locate the USB Type-C port on the device.
2. Connect the provided USB Type-C cable to the device and the other end to a compatible USB power adapter (not included) or a computer's USB port.
3. The charging indicator will illuminate. Charging time is approximately 3.5 hours.
4. Once fully charged, the indicator light will change or turn off (refer to device specific indicator behavior).

2.3 Inserting the TF Card

A TF (MicroSD) card is required for storing photos and videos. The device supports cards up to 128 GB.

1. Locate the TF card slot, usually protected by a rubber flap.
2. Gently insert the TF card into the slot with the gold contacts facing down until it clicks into place.
3. To remove, press the card gently until it pops out.

2.4 Attaching the Head-Mount Support (Optional)

The GTMEDIA N4 supports head-mounting for hands-free operation.

• Align the head-mount bracket with the mounting point on top of the binoculars.
• Securely fasten the bracket using the provided screws or locking mechanism.
• Adjust the straps of the head-mount to ensure a comfortable and stable fit.

3. Operating the Device

3.1 Power On/Off

• To power on: Press and hold the Power button (Power Icon) for a few seconds until the display illuminates.
• To power off: Press and hold the Power button again until the display turns off.

3.2 Mode Selection

Press the MODE button to cycle through the available modes:

• Photo Mode: For capturing still images.
• Video Mode: For recording video footage.
• Playback Mode: For reviewing captured photos and videos.

3.3 Capturing Photos and Videos

• In Photo Mode: Press the SHOT button to take a picture.
• In Video Mode: Press the SHOT button once to start recording, and press it again to stop recording.

3.4 Adjusting Focus

Use the focus adjustment dial located on the front of the device to achieve a clear image.

• Turn the dial towards "NEAR" for closer objects.
• Turn the dial towards "FAR" for distant objects.

Figure 2: Focus Adjustment Dial

The image highlights the focus adjustment dial on the front of the binoculars, with markings for "NEAR" and "FAR" to guide the user in adjusting the focus for different distances.

3.5 Infrared (IR) Illumination Adjustment

The device is equipped with 850nm infrared LED illumination with 7 adjustable levels for optimal viewing in low light or complete darkness.

• Press the IR+ button (IR Plus Icon) to increase the IR intensity.
• Press the IR- button (IR Minus Icon) to decrease the IR intensity.
• Adjust the IR level based on ambient light conditions for the best visibility.

Figure 3: Control Buttons (Power, Mode, Menu, Shot, IR+/-)

This image displays the top control panel of the binoculars, showing the Power, Mode, Menu, Shot, and IR adjustment buttons, which are essential for operating the device's various functions.

3.6 Menu Navigation

Press the MENU button to access settings such as resolution, auto-off time, date/time stamp, and more. Use the IR buttons to navigate and the SHOT button to confirm selections.

3.7 Digital Zoom

The device features 5X digital zoom. Use the zoom controls (often integrated with IR buttons or a separate zoom button if available) to magnify the image on the display.

4. Maintenance

4.1 Cleaning the Lenses

To maintain clear vision, regularly clean the lenses.

• Use the provided lens cloth or a soft, lint-free cloth.
• For stubborn smudges, use a specialized lens cleaning solution.
• Do not use abrasive materials or harsh chemicals.

4.2 Storage

When not in use, store the binoculars in the provided storage bag or cloth bag to protect them from dust and scratches.

• Store in a cool, dry place, away from direct sunlight and extreme temperatures.
• Remove the TF card if storing for extended periods.

4.3 Battery Care

• Avoid fully discharging the battery frequently.
• Charge the battery at least once every three months if not used regularly to prolong its lifespan.

5. Troubleshooting

6. Specifications

7. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the contact details provided on the product packaging or the official losipoka website. Keep your purchase receipt as proof of purchase.