1. Introduction
This manual provides instructions for the setup, operation, and maintenance of your PERFASCIN RC-866M replacement remote control. This remote is designed to function as a direct replacement for the original remote controls of compatible Onkyo AV Receiver models.
2. Setup
2.1 Battery Installation
The RC-866M remote control requires two (2) AAA batteries for operation. Batteries are not included with the remote control.
- Locate the battery compartment on the back of the remote control.
- Slide the battery compartment cover downwards and remove it.
- Insert two AAA batteries, ensuring the positive (+) and negative (-) terminals align correctly with the indicators inside the compartment.
- Replace the battery compartment cover by sliding it back into position until it clicks securely.

Figure 2.1: Battery compartment with cover removed, showing AAA battery slots.

Figure 2.2: Rear view of the remote control with the battery cover closed.
3. Operating Instructions
3.1 Basic Operation
The PERFASCIN RC-866M remote control is designed for immediate use with compatible Onkyo AV Receivers. No programming or setup is required. Simply insert the batteries, and the remote is ready to operate your device.
3.2 Compatible Models
This remote control is compatible with the following Onkyo AV Receiver models:
- TX-NR626
- HT-RC560
While designed for these models, it may also function with other Onkyo AV Receivers that utilize the RC-866M remote. If you are unsure about compatibility, please refer to the customer support section.

Figure 3.1: Front view of the RC-866M remote control.
4. Maintenance
4.1 Cleaning
To clean the remote control, use a soft, dry cloth. For stubborn dirt, lightly dampen the cloth with water or a mild, non-abrasive cleaner. Avoid using harsh chemicals or abrasive materials, as these can damage the remote's surface or buttons.
4.2 Battery Care
- Replace batteries when the remote's performance diminishes or it stops responding.
- Do not mix old and new batteries, or different types of batteries.
- Remove batteries if the remote control will not be used for an extended period to prevent leakage and potential damage.
- Dispose of used batteries according to local regulations.
5. Troubleshooting
5.1 Remote Not Responding
If your remote control is not functioning as expected, consider the following:
- Check Batteries: Ensure batteries are inserted correctly with the correct polarity (+/-). Replace old or depleted batteries with new ones.
- Line of Sight: Confirm there is a clear line of sight between the remote control and the AV receiver. Obstructions can block the infrared signal.
- Infrared Sensor: Ensure the infrared sensor on your AV receiver is not obstructed or dirty.
- Compatibility: Verify that your AV receiver model is listed as compatible with the RC-866M remote control.
If the issue persists after performing these checks, please contact customer support for further assistance.
6. Specifications
| Model Number | RC-866M |
| Product Dimensions | 6.69 x 1.57 x 0.79 inches (17 x 4 x 2 cm) |
| Item Weight | 2.82 ounces (80 grams) |
| Batteries Required | 2 AAA batteries |
| Color | Black |
7. Customer Support
If you encounter any issues with your PERFASCIN RC-866M remote control or have questions regarding its operation or compatibility, please contact our customer support. We are committed to providing assistance and satisfactory solutions.
For support, please refer to the contact information provided with your purchase or visit the PERFASCIN official support channels.