1. Introduction
This manual provides instructions for the Redi-Remote Replacement Remote Control, model RT224875. This remote is a custom-built replacement designed to be compatible with various RCA units, specifically replacing the original RCA remote control number 224875. It is not an original RCA product but offers full functionality for the specified models.
Compatible RCA Models:
- RP9978, RP9953, 224875, RV3798, RV9935A, RV9910A
- RV9900A, RV9978A, 233998, RV9970, 238534, RV9968
- RV9900, 58A25753, CRK67A1, RV3793, RP9588, RV9953A
- RV9950, RP9900, RP9950A, RP9910, RV9968A, RP9970
- RV9950A, RV9935NA, RP9965, RP9923, RV3693, CRK67G1
- RP9380, RP9930, RP9923A, RP9968, CD3800, RP9975, RV9978
2. Product Overview
The Redi-Remote RT224875 is designed for ease of use with no programming required. It provides all necessary functions for your compatible RCA unit. Please note that this remote cannot be programmed to control auxiliary devices.

Figure 1: Redi-Remote Replacement Remote Control RT224875. This image shows the overall design of the remote control, highlighting its buttons and form factor.
Key Features:
- Dimensions: Approximately 7.5 inches (19 cm) long, 2.25 inches (5.7 cm) wide, and 0.75 inches (1.9 cm) thick.
- Hidden Buttons: A sliding cover conceals the lower half of the remote, revealing additional buttons for advanced functions when slid down.
- No Programming: Ready to use out of the box with compatible RCA models.
- Dedicated Functionality: Controls only the specific unit it is designed for; cannot control other devices.
- Does not include laser pointers or LED lights.
3. Setup
3.1 Battery Installation
The remote control requires four (4) AAA batteries, which are included with the product. Follow these steps to install the batteries:
- Locate the battery compartment cover on the back of the remote control.
- Slide the cover downwards or press the latch (if present) and lift to open the compartment.
- Insert four (4) 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 place until it clicks securely.
Note: Always replace all four batteries at the same time with new ones. Do not mix old and new batteries, or different types of batteries.
4. Operating Instructions
Once batteries are installed, the remote is ready for use. Point the remote control directly at your RCA unit's infrared receiver.
4.1 Basic Functions
The upper half of the remote control contains the most frequently used buttons:
- POWER: Turns the RCA unit on or off.
- VOLUME UP/DOWN: Adjusts the audio volume.
- CHANNEL UP/DOWN: Changes the channel (if applicable to your RCA unit).
- MUTE: Silences the audio output.
4.2 Advanced Functions (Hidden Buttons)
The lower half of the remote control is covered by a sliding panel. To access additional functions:
- Gently slide the cover downwards to reveal the hidden buttons.
- These buttons typically include controls for input selection, menu navigation, playback controls (e.g., Play, Pause, Stop, Fast Forward, Rewind), and other specific features of your RCA unit.
- After use, you may slide the cover back up to protect the buttons.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the remote control. Do not use liquid cleaners or abrasive materials.
- Battery Replacement: Replace batteries when the remote's performance degrades or stops working. Refer to Section 3.1 for battery installation instructions.
- Storage: Store the remote in a dry place away from direct sunlight and extreme temperatures.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote not responding. |
|
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| Some functions do not work. |
|
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If troubleshooting steps do not resolve the issue, please contact Redi-Remote customer support for assistance.
7. Specifications
| Model Number | RT224875 |
| Brand | Redi-Remote |
| Product Dimensions | 7 x 2.5 x 1 inches (17.78 x 6.35 x 2.54 cm) |
| Item Weight | 4.5 ounces (127.57 grams) |
| Batteries | 4 AAA batteries (included) |
| Connectivity Technology | Infrared |
| Max Number of Supported Devices | 1 |
| Compatible Devices | RCA Stereo System (and specific models listed in Section 1) |
| Special Feature | No Programming Required |
8. Contact and Support
For any concerns, questions, or support regarding your Redi-Remote Replacement Remote Control, please contact Redi-Remote customer service. Refer to your product packaging or the retailer's website for specific contact information.