1. Introducció
Thank you for choosing the GOYOJO GR225 Thermal Imaging Scope. This device is designed to provide enhanced visibility for outdoor exploration, wildlife observation, search and rescue operations, and hunting in various light conditions, including complete darkness. This manual will guide you through the setup, operation, and maintenance of your thermal imager to ensure optimal performance and longevity.

2. Característiques del producte
The GOYOJO GR225 Thermal Imaging Scope offers a range of advanced features for superior performance:
- High-Resolution Thermal Imaging: Equipped with 256x192 IR pixels for clear thermal views.
- Durada de la bateria ampliada: Up to 6 hours of continuous operation with a durable rechargeable battery.
- Zoom digital: Features 2X and 4X digital zoom for detailed observation.
- Distància focal ajustable: 25mm lens for versatile viewing.
- Velocitat de fotogrames alta: 50Hz frame rate for smooth observation of moving targets.
- Suport en diversos idiomes: Supports English, Russian, and German languages.
- Classificació de resistència a la intempèrie IP66: Designed for one-handed operation, lightweight, drop-resistant, and functional in harsh environments from -20°C to +50°C.
- Hot Spot Tracking Crosshair: Quickly locates and confirms observed objects.
- Intelligent Image Algorithms: Upgraded image quality with enhanced details, clear outlines, and sharp images.
- Picture-in-Picture Function: Provides 2X magnification of the center area without losing the overall field of view.
- Emmagatzematge integrat: 8GB internal storage for capturing photos and videos (JPG/MP4 format).
- Type-C Removable Battery: Supports data transfer and fast charging.


3. Configuració
- Desembalatge: Carefully remove the thermal imaging scope and all accessories from the packaging. Inspect for any damage.
- Instal·lació/càrrega de la bateria: Ensure the Type-C removable battery is fully charged before first use. Connect the device to a DC5V2A power source using the provided Type-C cable. The charging indicator will show the charging status.
- Encès: Press and hold the power button (usually marked with a power symbol) for a few seconds until the display activates.
- Selecció d'idioma: Upon first power-on, you may be prompted to select your preferred language (Chinese, Traditional, English, Russian, German). Navigate using the control buttons and confirm your selection.
- Ajust del focus: Lift the device to your eye and use the adjustable focus lens to achieve a clear, sharp image. Rotate the focus ring until the image is in focus.

4. Instruccions de funcionament
4.1 Funcionament bàsic
- Encès/apagat: Mantén premut el botó d’engegada per engegar o apagar el dispositiu.
- Enfocament: Adjust the focus ring on the objective lens for a clear image.
- Zoom digital: Use the designated zoom buttons (often marked with '+' and '-') to cycle through 2X and 4X digital magnification.
4.2 modes d'imatge
The GR225 offers 6 types of image modes to respond to different scenarios and changing weather conditions. These modes assist in the presentation of images for better observation:
- Blanc calent: Els objectes calents apareixen blancs.
- Negre calent: Els objectes calents apareixen negres.
- Red Iron: Displays a spectrum of colors from black to red, indicating temperature differences.
- Arc de Sant Martí: Uses a full spectrum of colors to represent temperature variations.
- Ferro vermell: Similar to Red Iron, offering a distinct color palette.
- Brillantor: A specialized mode for specific viewcondicions.
Refer to the device's menu or dedicated buttons to switch between these image modes.

4.3 Funcions avançades
- Seguiment de punts calents: This feature automatically highlights the hottest point in the field of view, making it easier to locate targets.
- Imatge en imatge (PIP): Activates a magnified view of the central area of the screen, allowing for detailed inspection of a target while maintaining awareness of the wider surroundings.
- Enregistrament de fotos i vídeos: Use the dedicated buttons to capture still images or record videos directly to the built-in 8GB storage. Filees guarden en format JPG/MP4.



4.4 Transferència de dades
To transfer photos and videos, connect the device to a computer using the Type-C cable. The device should appear as a removable storage device, allowing you to copy files directament.
5. Manteniment
- Neteja: Use a soft, lint-free cloth to clean the lens and body of the device. For stubborn smudges on the lens, use a specialized lens cleaning solution. Do not use abrasive materials or harsh chemicals.
- Emmagatzematge: When not in use, store the device in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure the lens caps are on to protect the optics.
- Cura de la bateria: For long-term storage, charge the battery to approximately 50% and store it separately if removable. Recharge periodically to prevent deep discharge.
- Protecció meteorològica: While the device is IP66 weatherproof, avoid prolonged exposure to heavy rain or submersion in water.
6. Solució De Problemes
- El dispositiu no s'encén: Ensure the battery is fully charged. Try connecting to a power source.
- Imatge borrosa: Adjust the focus ring on the objective lens. Ensure the eyepiece is correctly adjusted for your vision.
- No image/display issues: Restart the device. Check battery level. If the issue persists, contact customer support.
- No es pot transferir files: Ensure the device is properly connected to the computer via the Type-C cable. Check if the computer recognizes the device as a storage drive.
- Hot Spot Tracking not working: Ensure the feature is enabled in the device settings.
7. Especificacions
| Paràmetre | GR225 | GR235 (for comparison) |
|---|---|---|
| Tipus de sensor | Detector de pla focal infraroig sense refrigeració d'òxid de vanadi | Detector de pla focal infraroig sense refrigeració d'òxid de vanadi |
| Lent Objectiu | 25 mm | 35 mm |
| Mida de l'element | 12 h | 12 h |
| Resolució | 256 x 192 | 256 x 192 |
| Camp de View (FOV) | 7.03°x5.27° | 5.0°x3.8° |
| Centrant-se | Enfocament manual | Enfocament manual |
| Velocitat de fotogrames | 25 Hz | 25 Hz |
| Diferència de temperatura equivalent al soroll (NETD) | <40mk@25℃ | <40mk@25℃ |
| Resistència (Model de bateria: 18500) | 4-5 hores | 4-5 hores |
| Resolució de l'ocular | 1440*1080 (OLED) | 1440*1080 (OLED) |
| Mida de l'ocular | 0.39 polzades | 0.39 polzades |
| Ampliació electrònica | X2, X4 | X2, X4 |
| Basic Magnification | 3.6x | 5.0x |
| Grau de View Ajust | ±5SD | ±5SD |
| Mode d'imatge | Blanc calent, negre calent, vermell calent, pseudocolor, color fred, arc de Sant Martí | Blanc calent, negre calent, vermell calent, pseudocolor, color fred, arc de Sant Martí |
| Wifi connection cell phone | No s'admet | No s'admet |
| Imatge a imatge | Suport | Suport |
| Seguiment en calent | Suport | Suport |
| Crosshair Cursor | Suport | Suport |
| Indicador làser | No s'admet | No s'admet |
| Foto i vídeo | Suport | Suport |
| Laser Distance Measuring | No s'admet | No s'admet |
| Interfícies | Tipus-C | Tipus-C |
| Llengua | Xinès, Tradicional, Anglès, Rus, Alemany | Xinès, Tradicional, Anglès, Rus, Alemany |
| Capacitat | Built-in 8GEMMC (approx. 8GB) | Built-in 8GEMMC (approx. 8GB) |
| Format de foto/vídeo | JPG/MP4 | JPG/MP4 |
| Classificació de protecció | IP66 | IP66 |
| Pes | ≤580g | ≤580g |
| Mida | ≤198*57.5*64.3mm | ≤198*57.5*64.3mm |
| Resistència al xoc | 800 g/ms | 800 g/ms |
| Temperatura de funcionament | -20 ℃ ~ +60 ℃ | -20 ℃ ~ +60 ℃ |
| Temperatura d'emmagatzematge | -30 ℃ ~ +70 ℃ | -30 ℃ ~ +70 ℃ |
| Detection Distances (Note: Distances are based on actuals and are for reference only!) | ||
| Objectiu | Detection (GR225) | Recognition (GR225) |
| Cotxe | 1300 m | 820 m |
| Gent | 930 m | 485 m |
| Porcs | 887 m | 465 m |
| Conills | 290 m | 130 m |
| Pollastre | 195 m | 80 m |
| Ocell | 110 m | 53 m |

8. Consells d'usuari
Based on general usage and product capabilities, here are some tips for maximizing your experience with the GOYOJO GR225 Thermal Imaging Scope:
- Pràctica de concentració: Thermal imagers require precise focusing. Practice adjusting the lens in different environments and at varying distances to quickly achieve a clear image.
- Experiment with Image Modes: Different image palettes are better suited for different scenarios. Experiment with 'White Hot', 'Black Hot', 'Rainbow', and 'Iron Red' to find which provides the best contrast and detail for your specific observation needs.
- Utilize Hot Spot Tracking: For quick target acquisition, especially in dense foliage or complex backgrounds, enable the Hot Spot Tracking feature.
- Leverage Picture-in-Picture: When you need to examine a specific area in detail without losing the broader context, use the Picture-in-Picture function.
- Keep Batteries Charged: Always ensure your battery is fully charged before extended outings. Consider carrying a spare charged battery or a portable power bank for prolonged use.
- Protegiu la lent: The lens is the most critical part. Always use the lens cap when not in use and clean it gently with appropriate materials.
9. Garantia i assistència
For any questions regarding product features, technical assistance, or warranty claims, please contact our customer service. We are committed to resolving any concerns and ensuring your satisfaction.
Informació de contacte:
- WhatsApp: +86 15211026756
- Correu electrònic: 15211026756@163.com
Please provide your product model (GR225) and a detailed description of your issue when contacting support for faster assistance.





