1. Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your new replacement remote control. Designed to be compatible with various Sony CD Changer Player models, this remote offers full functionality without the need for complex programming.
The remote control is a direct replacement for original Sony remote models RM-DX740 and RM-DC355, and is compatible with CD Changer Player models such as CDP-XB740, CDP-XB740E, and CDP-XE570.

2. Specifications
| Feature | Description |
|---|---|
| Brand Name | Beyution |
| Model Number | RM-DX740 RM-DC355 |
| Wireless Communication | IR (Infrared) |
| Frequency | 433 MHz |
| Use | Audio / Video Players (Sony CD Changer) |
| Support APP | No |
| Power Supply | 2* AAA Alkaline Battery (Not included) |
| Package Contents | 1X Remote Control |
| Origin | Mainland China |
| Certification | None |
3. Setup
3.1 Battery Installation
- Locate the battery compartment on the back of the remote control.
- Slide the battery cover downwards or press the latch and lift to open.
- Insert two (2) AAA alkaline batteries, ensuring the positive (+) and negative (-) terminals match the diagrams inside the compartment.
- Replace the battery cover by sliding it back into place until it clicks securely.

3.2 Initial Use
This remote control is designed for immediate use with compatible Sony CD Changer Players. No programming or pairing is required. Once batteries are installed, point the remote at your CD Changer Player and begin operation.
4. Operating Instructions
The remote control provides easy and full access to all standard functions of your Sony CD Changer Player. Refer to the button layout below for common controls:

- TIME / REPEAT: Controls time display and repeat playback functions.
- PLAY MODE / CONTINUE / SHUFFLE / PROGRAM: Selects playback modes.
- DISPLAY ON/OFF / FADER: Toggles display and controls fader function.
- ANALOG OUT LEVEL +/-: Adjusts analog output level.
- Playback Controls (Play, Pause, Stop, Fast Forward, Rewind, Skip): Standard media playback buttons.
- DISC 1-5 / DISC SKIP: Direct access to specific discs or skips to the next disc.
- REPEAT A-B / CHECK / CLEAR: Controls A-B repeat, checks program, or clears settings.
- Numeric Keypad (1-9, >10, 10/0): Used for direct track selection or programming.
5. Maintenance
5.1 Battery Replacement
Replace batteries when the remote control's response becomes sluggish or stops functioning. Always use new AAA alkaline batteries. Do not mix old and new batteries, or different types of batteries.
5.2 Cleaning
To clean the remote control, wipe it with a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water or a mild cleaning solution, then wipe dry immediately. Do not use abrasive cleaners, alcohol, or solvents, as these can damage the remote's surface or internal components.
6. Troubleshooting
- Remote not responding:
- Ensure fresh AAA batteries are correctly installed.
- Check for any obstructions between the remote control and the CD Changer Player's infrared sensor.
- Ensure you are within the effective range and line of sight of the CD Changer Player.
- Specific functions not working:
- Verify that your CD Changer Player model is listed as compatible (CDP-XB740, CDP-XB740E, CDP-XE570). If you are unsure about compatibility, please contact customer support.
- Some advanced functions might be specific to the original remote or player model; consult your CD Changer Player's original manual for details.
7. User Tips
- For optimal performance, always point the remote directly at the infrared receiver on your Sony CD Changer Player.
- Keep the remote control away from direct sunlight or strong light sources, as these can interfere with the infrared signal.
- Store the remote in a safe place to prevent accidental button presses or damage.
8. Compatibility
This remote control is compatible with the following Sony CD Changer Player models:
- CDP-XB740
- CDP-XB740E
- CDP-XE570
It replaces the functionality of original Sony remote control models RM-DX740 and RM-DC355.
9. Warranty and Support
For any questions regarding the remote control's functionality, compatibility, or troubleshooting not covered in this manual, please contact the seller or manufacturer's customer support. Keep your purchase records for reference.





