1. Introduction
This manual provides instructions for the CHUNGHOP RC-743M replacement remote control. This remote is designed to function as a direct replacement for specific ONKYO AV receiver and DVD player models. It requires no programming and operates using infrared technology.
Figure 1: Front view of the CHUNGHOP RC-743M remote control, showing all buttons and their labels.
2. Setup
2.1 Battery Installation
- Locate the battery compartment on the back of the remote control.
- Slide the battery compartment cover downwards or outwards to open it.
- Insert two (2) AA batteries (not included) into the compartment, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Replace the battery compartment cover by sliding it back into position until it clicks securely.
No additional programming is required after battery installation. The remote is ready for use with compatible devices.
Figure 2: Back view of the remote control, highlighting the battery compartment for installation.
3. Operating Instructions
3.1 Compatibility
This CHUNGHOP RC-743M remote control is specifically designed for use with the following ONKYO AV receiver and DVD player models:
- TX-SR808
- TX-SR707
- TX-SR706S
- TX-NR545
- HT-R791
- TX-NR535
- TX-NR737
For optimal functionality, ensure that the button layout of this remote matches your original ONKYO remote control.
3.2 Basic Functions
Once batteries are installed, point the remote control directly at your ONKYO AV receiver or DVD player. Press the desired buttons to control functions such as power, volume, input selection, menu navigation, and playback controls. The remote features sensitive keys for comfortable operation.
3.3 Operable Distance
The remote control has an effective operable distance of approximately 8 meters (26 feet) under normal conditions. Ensure there are no obstructions between the remote and the device's infrared sensor.
Figure 3: Angled view of the remote control, showcasing its ergonomic design and button layout.
4. Maintenance
- Cleaning: Use a soft, dry cloth to clean the remote control. Avoid using liquid cleaners or abrasive materials, as they may damage the surface or internal components.
- Storage: Store the remote control in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Replacement: If the remote control's performance degrades or it stops responding, replace both AA batteries with new ones. Remove batteries if the remote will not be used for an extended period to prevent leakage.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote not responding | Dead or incorrectly inserted batteries. Obstruction between remote and device. Remote out of range. | Replace batteries, ensuring correct polarity. Remove any obstructions. Ensure remote is within 8 meters of the device. |
| Some functions not working | Incompatibility with specific device functions. | Verify that your ONKYO model is listed as compatible. Compare the remote's buttons to your original remote for any functional differences. |
6. Specifications
- Model: RC-743M
- Brand: CHUNGHOP
- Compatible Devices: ONKYO AV Receivers and DVD Players (TX-SR808, TX-SR707, TX-SR706S, TX-NR545, HT-R791, TX-NR535, TX-NR737)
- Connectivity Technology: Infrared (IR)
- Controller Type: Button Control
- Power Source: 2 x AA Batteries (not included)
- Operable Distance: Approximately 8 meters (26 feet)
- Material: ABS
7. Support
For any questions or assistance regarding your CHUNGHOP RC-743M remote control, please contact the seller or CHUNGHOP customer support. Providing feedback or inquiries directly to the seller before leaving a review can help resolve issues promptly.
