Introducció
This user manual provides comprehensive instructions for the JINGHAO JH-A39 Rechargeable BTE Personal Sound Amplifier. Please read this manual carefully before using the device to ensure proper operation, maintenance, and to maximize its lifespan. This amplifier is designed to enhance sound for clearer conversations and improved listening experiences in various environments.
Contingut del paquet
Upon unboxing, please verify that all components listed below are present and in good condition.
Figura 1: Complete set of accessories for the JINGHAO JH-A39 Personal Sound Amplifier. This includes the shockproof charging case, two sound amplifiers, a USB charging cable, three pairs of ear domes (S/M/L), the instruction manual, and a cleaning tool.
Figura 2: Un detallat view of the included accessories, highlighting the various components that come with your sound ampkit de lifier.
- 2 x JINGHAO JH-A39 Personal Sound Ampaixecadors
- 1 x funda de càrrega portàtil
- 1 x cable de càrrega USB
- 3 x Pairs of Ear Domes (Small, Medium, Large)
- 1 x Eina de neteja
- 1 x Manual d'usuari (aquest document)
Configuració
1. Càrrega del dispositiu
Before first use, fully charge the sound amplifiers and the portable charging case.
- Connect the USB charging cable to the charging case and a power source (e.g., computer USB port, wall adapter).
- Place the sound amplifiers into their respective slots in the charging case. Ensure they are correctly seated for charging.
- The charging lights on the case will indicate the charging status. Blue light indicates charging, while white light indicates fully charged.
- A full charge for the amplifiers takes approximately 2 hours, providing up to 10 hours of usage. The portable charging case provides three full charging cycles for both amplifiers, offering an additional 30 hours of use.
Figura 3: El so amplifier placed in the portable charging case, showing the blue indicator lights during charging.
Figura 4: Charging specifications: 2 hours for amplifier charge (10 hours use), portable case provides 3 full charges (30 additional hours).
Figura 5: Visual guide for charging status: Blue light indicates charging, white light indicates fully charged.
Figura 6: The portable charging case allows for convenient charging of your amplifiers anytime, anywhere.
2. Selecting and Attaching Ear Domes
Choose the ear dome size (Small, Medium, Large) that provides the most comfortable and secure fit in your ear canal. A proper fit is crucial for optimal sound quality and to prevent feedback.
Figura 7: The three available sizes of ear domes (Small, Medium, Large) to ensure a comfortable and effective fit.
Figura 8: The left and right sound amplifiers, showing where the ear domes attach.
- Gently push the chosen ear dome onto the sound amplifier's nozzle until it is securely attached.
3. Wearing the Sound Ampmés viu
Insert the sound amplifier into your ear canal. Ensure it fits snugly and comfortably. The correct direction is important for both comfort and performance.
Figura 9: Visual guide for correct wearing of the amplifier and troubleshooting howling issues.
- Choose the right size earplugs to ensure there is no gap between the earplug and your ear.
- Inseriu el amplifier into your ear. If you hear a high-pitched squealing sound, the position may not be correct. Adjust until the sound stops.
- Once properly inserted, you can proceed to power on the device.
Instruccions de funcionament
1. Encendre/apagar
The JINGHAO JH-A39 features a simple one-button operation.
- Per encendre: Manteniu premut el botó principal de la pantalla amplifier for approximately 3 seconds until you hear an indication sound.
- Per apagar: Press and hold the main button again for approximately 3 seconds.
Figura 10: Acabatview de la amplifier's components, including the multi-function button for power and volume.
2. Control de volum
El amplifier has 6 levels of volume control. Adjust the volume to a comfortable listening level.
Figura 11: Visual representation of the 6 volume levels and the adjustment cycle.
Figura 12: Another depiction of the 6-level volume control system.
- Per ajustar el volum: Briefly press the main button once. Each press will cycle through the 6 volume levels.
- When the volume reaches the lowest level, the next press will set it to the highest level, and the cycle repeats.
- It is recommended to start with a lower volume setting and gradually increase it to a comfortable level.
3. Escenaris d'ús
The JINGHAO JH-A39 is designed for various daily scenarios, enhancing your listening experience wherever you are.
Figura 13: El amplifier is versatile for use in meetings, during sports, outdoors, and indoors.
- Reunions: Improve clarity of speech in group discussions.
- Esport: Enjoy outdoor activities with enhanced ambient sounds.
- Exterior: Better perceive sounds in open environments.
- Interior: Enhance conversations and media listening at home.
Manteniment
Regular cleaning and proper storage will ensure the longevity and optimal performance of your sound ampaixecadors.
- Neteja diària: After each use, gently wipe the amplifier and ear dome with a soft, dry cloth. Use the provided cleaning tool to remove any earwax or debris from the ear dome and sound outlet.
- Eviteu la humitat: No exposar el amplifiers to water or excessive moisture. If they become damp, dry them thoroughly before placing them back in the charging case.
- Emmagatzematge: Quan no s’utilitzi, emmagatzemeu el fitxer amplifiers in their portable charging case. The case is designed to be shockproof, protecting the devices from damage.
- Ear Dome Replacement: Replace ear domes periodically or if they become damaged or discolored to maintain hygiene and sound quality.
Resolució de problemes
If you encounter any issues with your JINGHAO JH-A39 Personal Sound Amplifier, please refer to the following common problems and solutions.
| Problema | Causa possible | Solució |
|---|---|---|
| High-pitched squealing/howling sound (feedback) |
|
|
| Sense so o so molt baix |
|
|
| El dispositiu no es carrega |
|
|
Especificacions
| Característica | Detall |
|---|---|
| Nom del model | JINGHAO (JH-A39-Black002) |
| Marca | JingHao |
| Font d'alimentació | Recarregable (bateria d'ions de liti) |
| Tipus de bateria | 1 bateria de liti-ió (inclosa) |
| Temps de càrrega | Approx. 2 hours for ampaixecadors |
| Temps d'ús | Fins a 10 hores per càrrega (ampaixecadors) |
| Capacitat de la caixa de càrrega | Provides 3 additional charging cycles (approx. 30 hours) |
| Control de volum | 6 nivells |
| Color | Negre |
| Pes de l'article | 36 grams |
| Dimensions del producte (paquet) | 10.8 x 10.8 x 6.9 cm |
| Fabricant | JINGHAO |
| País d'origen | Xina |
Garantia i Suport
JINGHAO provides a 12-month warranty for this product. If you have any questions or require assistance, please do not hesitate to contact our customer service. We are committed to providing the best customer support.
For support, please refer to the contact information provided with your purchase or visit the official JingHao store on Amazon: JingHao Amazon Store.
