Introduction
This manual provides instructions for the setup, operation, and maintenance of your ZdalaMit RM-DX220 replacement remote control. This remote is designed to be compatible with specific Sony Compact Disc Player models, including CDP-CX220, CDP-CX235, and CDP-CX230. No programming is required for this remote control; simply install the batteries, and it will be ready for use.

Image: Front view of the ZdalaMit RM-DX220 Replacement Remote Control, showing all buttons and their labels.
Setup
Battery Installation
- Locate the battery compartment on the back of the remote control.
- Slide the battery compartment cover downwards or press the latch and lift to open.
- Insert two (2) 1.5V AAA Alkaline batteries, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Replace the battery compartment cover by sliding it back into place until it clicks securely.
The remote control is now ready for immediate use with your compatible Sony Compact Disc Player. No additional setup or programming is required.

Image: Angled view of the ZdalaMit RM-DX220 Replacement Remote Control, highlighting the overall design and button layout.
Operating Instructions
To operate your Sony Compact Disc Player, point the RM-DX220 remote control directly at the player's infrared sensor and press the desired function button. Ensure there are no obstructions between the remote and the CD player.
Button Functions Overview
- 1/U (Power): Turns the CD player on or off.
- PLAY MODE: Cycles through playback modes such as CONTINUE, SHUFFLE, and REPEAT.
- PROGRAM: Initiates program play mode.
- MEMO INPUT: Used for memory input functions.
- MEMO SCAN: Scans through memorized tracks or settings.
- HIGH-LIGHT: Activates highlight playback or display mode.
- DISC SKIP (+/-): Skips to the next or previous disc in a multi-disc changer.
- Navigation Buttons (Up, Down, Left, Right, Play/Pause): Used for menu navigation, track selection, and controlling playback. The central button typically acts as Play/Pause or Enter.
- Fast Forward (►►), Rewind (◄◄): Fast forwards or rewinds within a track.
- Skip Track (►| , |◄): Skips to the next or previous track.
- AMS (Automatic Music Sensor): Used for automatic music search functions.
- GROUP: Selects or navigates through disc groups.
- TIME/TEXT: Toggles time display or text information on the CD player's display.
- DEL (Delete): Deletes programmed tracks or entries.
- DISC: Directly selects a disc.
- CAPS: Toggles capitalization for text input.
- SPACE: Inserts a space during text input.
- Numeric Keypad (0-9, >10, 10/0, ENTER): Used for direct track selection, disc selection, or entering numerical values.
- REPEAT: Repeats the current track or disc.
- CHECK: Verifies programmed tracks.
- CLEAR: Clears programmed tracks or entries.
Maintenance
Cleaning
To clean the remote control, use a soft, dry cloth. Do not use liquid cleaners, abrasive pads, or chemical solvents, as these can damage the remote's surface or internal components.
Battery Replacement
Replace the batteries when the remote control's range decreases significantly or when it stops responding. Always replace both batteries at the same time with new 1.5V AAA Alkaline batteries. Remove depleted batteries promptly to prevent leakage and potential damage to the remote.
Troubleshooting
- Remote Control Not Responding:
- Ensure the remote is pointed directly at the CD player's infrared sensor.
- Check if there are any obstructions between the remote and the CD player.
- Verify that the batteries are inserted correctly with the correct polarity.
- Replace the batteries with new 1.5V AAA Alkaline batteries.
- Specific Buttons Not Working:
- Some advanced functions may require specific settings on your CD player. Refer to your Sony CD player's original instruction manual for details on these functions.
- If only certain buttons are unresponsive after checking batteries, the remote may be faulty.
- Remote Control Does Not Work at All (Even with New Batteries):
- While this remote is designed for compatibility, rare instances of non-functionality can occur. If all troubleshooting steps fail, the remote may be incompatible or defective.
Specifications
- Model: RM-DX220
- Brand: ZdalaMit
- Compatible Devices: Sony Compact Disc Player models CDP-CX220, CDP-CX235, CDP-CX230
- Power Supply: 2 x 1.5V AAA Alkaline Batteries (not included)
- Product Dimensions: 5.9 x 1.57 x 0.55 inches (approximately)
- Item Weight: 1.41 ounces (approximately, without batteries)
- Color: Black
- Special Feature: Ergonomic design
Warranty
Specific warranty information for the ZdalaMit RM-DX220 replacement remote control is not provided in this manual. Please refer to the product's packaging or contact the seller directly for warranty details.
Support
If you have any questions or require further assistance regarding your RM-DX220 replacement remote control, please contact the seller or manufacturer directly. Contact information may be available on the product packaging or through your purchase platform.





