Introducció
This manual provides detailed instructions for the Retevis RE3120 C-Type 2-Pin Walkie Talkie Earphone. This earphone is designed to enhance communication privacy and clarity when used with compatible two-way radios. It features a comfortable C-type design, a Push-to-Talk (PTT) button for easy operation, and a rotatable earhook for versatile wear.
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Característiques clau
- C-Type Earphone Design: Adapts comfortably to your ear, ensuring private and clear communication.
- Botó Premeu per parlar (PTT): Enables one-click calls, allowing for hands-free operation.
- 360° Rotatable Earhook: Can be worn on either the left or right ear for maximum comfort and flexibility.
- Integrated Cable Clip: Allows the earphone cable to be securely attached to clothing.
- Àmplia compatibilitat: Compatible with 2-pin radios such as Retevis RT24, RT27, RT28, RT22, RT617, RT618, RT619, Baofeng BF-888S, BF-88E, and Kenwood models.
Components
The Retevis RE3120 earphone consists of the following main components:
- 2-Pin K-Type Connector: For connecting to compatible two-way radios.
- Botó Premeu per parlar (PTT): Activates the microphone for transmission.
- Micròfon (MIC): Captura la teva veu per a la transmissió.
- C-Type Earhook: Holds the earphone securely on your ear.
- Auricular: Delivers audio to your ear.
- Clip de cable: For securing the cable to clothing.

Figure 1: Retevis RE3120 Earphone Components
Configuració
- Connecta't a la ràdio: Insert the 2-pin K-type connector firmly into the earphone jack of your compatible two-way radio. Ensure a secure connection.

Figure 2: Connecting the Earphone to a Radio
- Col·locació del ganxo per a l'orella: Place the C-type earhook over your ear. The earhook is designed to rotate 360 degrees, allowing you to adjust it for a comfortable fit on either your left or right ear. Adjust the earhook up or down as needed.

Figure 3: Earhook Adjustment

Figure 4: Earphone Worn on Ear
- Assegureu el cable: Use the integrated clip on the cable to attach it to your clothing (e.g., collar, pocket) to prevent tangling and ensure stability during movement.

Figure 5: Using the Cable Clip
Instruccions de funcionament
- Recepció d'àudio: Once connected, audio from your radio will be transmitted directly to the earphone. Adjust the radio's volume for comfortable listening.
- Transmitting (Push-to-Talk): To speak, press and hold the PTT button located on the cable. Speak clearly into the microphone. Release the PTT button when you have finished speaking to return to receive mode.
Manteniment
- Neteja: Gently wipe the earphone and cable with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Emmagatzematge: Store the earphone in a clean, dry place away from direct sunlight and extreme temperatures when not in use. Avoid tangling the cable.
- Resistència a l'aigua: This earphone is no resistent a l'aiguaEviteu l'exposició a l'aigua o a una humitat excessiva.
Resolució de problemes
- No Audio from Earphone:
- Ensure the 2-pin connector is fully inserted into the radio's jack.
- Check the radio's volume level.
- Test the earphone with another compatible radio if possible to rule out a radio issue.
- Unclear or Distorted Audio:
- Verify the connection to the radio is secure.
- Adjust the radio's squelch level if applicable.
- Ensure the earbud is clean and free of debris.
- PTT Button Not Functioning:
- Confirm the earphone is correctly connected to the radio.
- Ensure the radio is powered on and in an active channel.
Especificacions
| Número de model | EUJ9118A |
| Marca | Retevis |
| Material | Plastic, Silicone, Foam |
| Tecnologia de connectivitat | Amb cable |
| Tipus de connector | 2-Pin K-Type, 3.5 mm Audio Jack |
| Mètode de control | Push Button (PTT) |
| Nivell de resistència a l'aigua | No resistent a l'aigua |
| Pes del producte | 45 g |
| Dimensions del paquet | 15 x 12 x 1.7 cm |
| Dispositius compatibles | Retevis RT24, RT27, RT28, RT22, RT617, RT618, RT619, Baofeng BF-888S, BF-88E, Kenwood (2-pin models) |

Figure 6: Earphone Cable Dimensions
Garantia i Suport
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official Retevis weblloc. També podeu visitar el Retevis Brand Store on Amazon per obtenir informació addicional sobre el producte i recursos d'assistència.