1. Introduction
This manual provides instructions for the ALLIMITY RM-AMU009 replacement infrared remote control. This remote is designed to function with various Sony Mini Hi-Fi Component Systems, offering a direct replacement for your original remote without requiring any programming. Simply insert batteries, and it is ready for use.
2. Setup: Battery Installation
The RM-AMU009 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 or outwards to open it.
- Insert two AAA 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 position until it clicks securely.

Figure 1: Battery compartment of the RM-AMU009 remote control.
3. Operating Instructions
To operate your Sony Mini Hi-Fi Component System using the RM-AMU009 remote control, point the remote directly towards the infrared sensor on your audio unit. Ensure there are no obstructions between the remote and the unit's sensor.

Figure 2: Front view of the RM-AMU009 remote control with button layout.
Button Functions Overview:
- Power (Green Button): Turns the audio system on or off.
- SLEEP: Activates or adjusts the sleep timer function.
- DISPLAY: Changes the information displayed on the unit's screen.
- EQ: Adjusts equalizer settings for sound customization.
- TIMER MENU: Accesses timer settings for various functions.
- PLAY MODE / REPEAT / TUNING MODE / FM MODE: Cycles through playback modes, repeat options, or radio tuning modes.
- CLEAR: Clears selections or entries.
- TUNER MEMORY: Stores or recalls radio station presets.
- Navigation Buttons (Arrows & Center): Used to navigate menus and confirm selections.
- RETURN: Returns to the previous menu or screen.
- TOOL MENU: Accesses additional tools or settings.
- Playback Controls (◀◀, ▶, ██, ■, ▶▶): Control media playback (Rewind, Play, Pause, Stop, Fast Forward).
- Skip Buttons (◀◀|, |▶▶): Skips to the previous or next track/station.
- VOLUME (+/-): Increases or decreases the audio volume.
- FUNCTION (+/-): Selects different functions or inputs on the audio system.
4. Compatible Models
This ALLIMITY RM-AMU009 replacement remote control is compatible with the following Sony Mini Hi-Fi Component System models:
- MHC-EC609iP
- CMT-CX4iP
- CMT-MX500i
- MHC-EC709iP
- MHC-EC909iP
- MHC-EC79i
- CMT-LX20i
- MHC-EC69i
- MHC-EC99i
- CMT-BX50BTi
- MHC-EC78Pi
- MHC-EC68Pi
- MHC-EC98Pi
- SS-EC609iP
- HCD-EC609iP
- HCD-CX4iP
- SS-CCX4B
- HCD-MX500i
- SS-CMX500U
- SS-CMX500
- HCD-EC709iP
- SS-EC709iP
- SS-WG909iP
- HCD-EC909iP
- SS-EC79
- HCD-EC79i
- HCD-LX20i
- SS-CLX20
- SS-EC69i
- HCD-EC69i
- HCD-EC99i
- SS-WG99i
- SS-CBX20
- HCD-BX50BTi
- HCD-EC78P
- SS-EC78S
- SS-EC78
- SS-EC68iS
- SS-EC68i
- HCD-EC68P
- CMT-HX80R
- CMT-HX50BTR
- CMT-FX350i
- CMT-CX5iP
- CMT-CX5BiP
If your specific model is not listed, please refer to the support section for assistance.
5. Maintenance
- Battery Replacement: Replace batteries when the remote's range decreases or it stops responding. Always replace both batteries at the same time with new ones.
- Cleaning: Use a soft, dry cloth to clean the remote control. Avoid using liquid cleaners or abrasive materials.
- Storage: If the remote will not be used for an extended period, remove the batteries to prevent leakage and potential damage. Store in a cool, dry place.
6. Troubleshooting
- Remote Not Responding:
- Check if the batteries are inserted correctly with the correct polarity.
- Replace old batteries with new ones.
- Ensure there are no obstructions between the remote and the audio system's infrared sensor.
- Confirm the remote is pointed directly at the audio system's sensor.
- Short Operating Range:
- This typically indicates low battery power. Replace the batteries.
- Ensure no strong light sources (like direct sunlight) are interfering with the sensor.
- Incorrect Function:
- Verify that your audio system model is listed in the 'Compatible Models' section.
- Some advanced functions specific to your original remote might not be replicated if they are not standard infrared commands.
7. Specifications
| Model Number | RM-AMU009 |
| Brand | ALLIMITY |
| Connective Technology | Infrared (IR) |
| Power Source | 2 x AAA Batteries (not included) |
| Product Dimensions | 7 x 2 x 0.65 inches |
| Item Weight | 1.58 ounces |
| Color | Black |
8. Support and Warranty
This product is covered by a 30-day return/replacement policy from the date of purchase. For any questions regarding compatibility with models not listed in this manual, or for further assistance with troubleshooting, please contact the seller directly via email.
Please retain your purchase receipt for warranty claims or support inquiries.





