1. Introducció i finalview
The Teslong TD300P Two-Way Articulating Borescope is a versatile industrial endoscope designed for detailed inspection in hard-to-reach areas. Featuring a slim 5.5mm probe, a 5-inch IPS display, and adjustable LED lighting, it is an essential tool for automotive, HVAC, and mechanical professionals, as well as DIY enthusiasts. This manual provides comprehensive instructions for setting up, operating, maintaining, and troubleshooting your borescope.

2. Què hi ha a la caixa
Upon unboxing your Teslong TD300P, please ensure all the following items are present:
- TD300P Articulating Borescope Main Unit
- Targeta Micro SD de 32 GB (preinstal·lada)
- Funda protectora de transport
- Cable de càrrega USB-C
- Manual d'usuari

3. Característiques clau
- Enhanced 5-inch IPS LCD Screen: Enjoy sharper and more vibrant visuals with an upgraded 5-inch IPS LCD screen, offering a larger and clearer view compared to standard displays. Fixed magnification options of 1.3x and 1.5x allow for effortless inspection of intricate details.

The large 5-inch IPS screen provides a clear and detailed view de la zona d'inspecció. - Effortless Navigation with Slim Probe & Articulation: The ultra-thin 5.5mm probe makes it significantly easier to access confined areas compared to standard 8mm probes. The 5ft flexible gooseneck allows for simple and efficient access. This Two-Way Articulating Borescope enables precise adjustments with its 210° rotatable camera head, making it easy to inspect challenging spots with smooth, reliable control.

The 5.5mm slim probe allows access into very tight spaces. 
Two-way articulation provides precision control for comprehensive inspections. 
The 5ft flexible gooseneck allows for easy positioning and navigation. - Il·luminació LED brillant i ajustable: Equipped with 6 high-brightness LED lights, this device ensures clear visibility even in dark environments. The adjustable illumination allows you to tailor the lighting for each inspection, guaranteeing that no detail goes unnoticed.

Adjustable LED lights provide optimal illumination in various conditions. - User-Friendly and Ergonomic Design: The intuitive button layout and lightweight construction make the device easy to operate and comfortable to hold. With a self-contained display, there’s no need for additional devices, allowing you to focus on capturing high-quality images and videos seamlessly.
- Durable and Long-Lasting Performance: A sturdy storage case ensures the device is protected during transport, while the 3000mAh rechargeable battery provides extended usage for lengthy inspections. The probe is IP67-rated waterproof, withstanding wet, oily, and tough conditions.

The IP67 waterproof probe is suitable for inspections in wet environments.
4. Configuració
Follow these steps for initial setup of your Teslong TD300P borescope:
- Carregueu el dispositiu: Before first use, fully charge the borescope using the provided USB-C charging cable. Connect the cable to the USB-C port on the device and a compatible USB power adapter (not included). The 3000mAh battery provides up to 5 hours of operation.
- Targeta MicroSD: The 32GB MicroSD card is pre-installed. Ensure it is securely seated in its slot. This card is essential for saving photos and videos.
- Encès: Manteniu premut el botó d'engegada (⏻) located on the front panel of the display unit until the screen illuminates.
- Attach Probe: Ensure the flexible probe is securely connected to the main unit.

5. Instruccions de funcionament
Familiarize yourself with the controls (refer to Section 4, Figure 4.1) before operating the borescope.
- Encès/apagat: Manteniu premut el botó d'engegada (⏻) per encendre o apagar el dispositiu.
- Adjusting Probe Articulation: Use the Probe Joystick on the handle to control the 210° two-way articulation of the camera head. Gently push the joystick left or right to bend the probe tip in the desired direction.
- Ajust de llums LED: Press the Light Brightness button (☀) to cycle through different brightness levels of the 6 LED lights on the probe tip. This ensures optimal visibility in varying light conditions.
- Captura d'imatges i vídeos:
- To take a photo, press the Capture Image/Take Video button (camera icon) on the back of the handle.
- To start video recording, press and hold the Capture Image/Take Video button. Press again to stop recording.
- Funció de zoom: Use the Up/Zoom button (▲) to zoom in on the image displayed on the screen (1.3x and 1.5x magnification options).
- Interruptor de mode: Press the Mode Switch button (M) to switch between different modes, such as live view, photo gallery, and video playback.
- Transferència de dades: To transfer captured images and videos, connect the borescope to your computer using the USB-C charging cable. The device will appear as a removable storage device, allowing you to copy files.
6. Manteniment
Proper maintenance ensures the longevity and optimal performance of your borescope:
- Neteja de la sonda: After each use, especially in dirty or oily environments, gently wipe the probe tip and lens with a soft, damp cloth or an alcohol prep pad (some included in the box). Ensure no debris obstructs the camera lens or LED lights.
- Emmagatzematge: Always store the borescope and its accessories in the provided protective carrying case when not in use. This protects the device from dust, impacts, and environmental damage.
- Cura de la bateria: To maintain battery health, avoid completely draining the battery frequently. Recharge the device regularly, even if not in constant use. The device supports use while charging.
- Monitorització de la temperatura: The borescope has a built-in smart temperature sensor to prevent overheating. Note that the sensor detects the probe's temperature, not the ambient temperature. The camera probe generates heat during operation, with a normal working temperature range of 40-50°C (104-122°F).
- Resistència a l'aigua: The probe is IP67-rated waterproof. While it can withstand wet and oily conditions, avoid prolonged submersion or exposure to high-pressure water jets.
7. Solució De Problemes
If you encounter issues with your Teslong TD300P borescope, try the following common troubleshooting steps:
- Sense energia: Assegureu-vos que el dispositiu estigui completament carregat. Connecteu-lo a una font d'alimentació i deixeu-lo carregar durant almenys 30 minuts abans d'intentar tornar-lo a encendre.
- Sense imatge a la pantalla: Check if the probe is securely connected to the main unit. Ensure the camera lens is clean and free from obstructions.
- Mala qualitat d'imatge: Clean the camera lens. Adjust the LED light brightness to suit the environment. Ensure the object being inspected is within the optimal focal range (typically 1.2-3.2 inches).
- Articulation Not Working: Check for any physical obstructions preventing the probe tip from bending. Ensure the articulation joystick is not stuck.
- Cannot Save Photos/Videos: Verify that the MicroSD card is properly inserted. Check if the MicroSD card has sufficient free space. If the card is full, transfer files to a computer and delete them from the card.
- Congela el dispositiu: Manteniu premut el botó d'engegada (⏻) for 10-15 seconds to force a restart.
If the issue persists after trying these steps, please contact Teslong customer support for further assistance.
8. Especificacions
| Número de model | TD300P |
| Diàmetre de la sonda | 5.5 mm (0.21 polzades) |
| Longitud de la sonda | 5 peus |
| Angle d'articulació | 210° (Two-Way) |
| Mida de la pantalla | LCD IPS de 5.0 polzades |
| Ampliació | 1.3x, 1.5x (Digital Zoom) |
| Resolució de captura de vídeo | 720p |
| Il·luminació | 6 High-Brightness Adjustable LEDs |
| Classificació impermeable | IP67 (Sonda) |
| Bateria | Polímer de liti de 3000 mAh (recarregable) |
| Tipus de suport | Micro SD Card (32GB included) |
| Pes de l'article | 2.62 lliures |
| Dimensions del paquet | 16.69 x 8.5 x 3.54 polzades |
9. Garantia i Suport
Teslong products are designed for durability and performance. For any warranty claims, technical support, or product inquiries, please contact Teslong directly.
Teslong Support Contact:
- Correu electrònic: support@teslong.com
- Phone: 877-899-8909 (Mon - Fri, 9:00 AM - 5:00 PM PST, US)
Please refer to the official Teslong website or the included user manual for the most up-to-date warranty information and support policies.