1. Introduction
The ICOM OPC-871A is a specialized headset adapter designed to connect compatible headsets to various ICOM radio models. This manual provides essential information for the proper setup, operation, and maintenance of your OPC-871A adapter, ensuring optimal performance and longevity.
2. Product Overview
The OPC-871A adapter features two audio jacks for headset connection and a multi-pin connector for interfacing with the radio. Its robust design ensures reliable audio transmission.
Figure 2.1: ICOM OPC-871A Headset Adapter. This image displays the adapter with its two audio input/output jacks on one end, and a cable extending to a multi-pin connector on the other end, designed for connection to an ICOM radio. The adapter body is black, and the cable is also black.
2.1 Components
- Dual Audio Jacks: For connecting headset microphone and speaker plugs.
- Multi-pin Connector: Connects to the compatible ICOM radio's accessory port.
- Cable: Durable cable connecting the jacks to the multi-pin connector.
3. Setup
- Identify Radio Port: Locate the accessory port on your ICOM radio. Refer to your radio's manual for the exact location.
- Connect Adapter: Carefully align the multi-pin connector of the OPC-871A with the radio's accessory port and push firmly until it clicks into place. Ensure a secure connection.
- Connect Headset: Plug your compatible headset's microphone and speaker plugs into the corresponding audio jacks on the OPC-871A adapter. Ensure the plugs are fully inserted.
- Secure Cables: Route cables neatly to prevent strain or accidental disconnection.
4. Operating Instructions
Once the OPC-871A adapter and headset are properly connected to your ICOM radio, the radio will automatically route audio through the headset. Use your radio's volume controls to adjust the headset's listening level.
- Audio Output: All incoming radio audio will be directed to the headset speakers.
- Microphone Input: Your voice will be transmitted via the headset microphone when the radio's PTT (Push-To-Talk) button is activated.
5. Maintenance
- Cleaning: Use a soft, dry cloth to wipe the adapter. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Cable Care: Avoid sharp bends or kinks in the cable. Do not pull on the cable to disconnect the adapter.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No audio from headset | Adapter not fully connected; Headset plugs not fully inserted; Radio volume too low; Incompatible headset. | Ensure adapter is securely connected to radio. Re-insert headset plugs. Increase radio volume. Verify headset compatibility with ICOM radios. |
| Microphone not transmitting | Microphone plug not fully inserted; Radio PTT not activated; Faulty headset microphone. | Re-insert microphone plug. Ensure PTT button is pressed. Test with another headset if available. |
7. Specifications
- Model: OPC-871A
- Brand: ICOM
- Type: Headset Adapter
- Connectors: Dual audio jacks (for headset), Multi-pin connector (for radio)
- Compatible Devices: Headsets, ICOM Radios (e.g., a120, a110, and others with compatible accessory ports)
8. Warranty and Support
For warranty information and technical support, please refer to the official ICOM website or contact your authorized ICOM dealer. Keep your purchase receipt as proof of purchase for warranty claims.
ICOM Official Website: www.icomjapan.com
