Redi-Remote RT24140666
Redi-Remote Replacement Remote Control User Manual
For Onkyo Models: 24140666, RC-666S, TX8222, TX8522, TX8255
1. Introduction
This document provides instructions for the Redi-Remote replacement remote control, designed for specific Onkyo audio receiver and stereo system models. This remote is a custom-built replacement and is not an original Onkyo product.
1.1. Product Overview
The Redi-Remote replacement remote control offers essential functions for your compatible Onkyo unit. It measures approximately 7.5 inches in length, 2.25 inches in width, and 0.75 inches in thickness. It is designed for direct use without requiring any programming.
1.2. Compatibility
This remote control is specifically compatible with the following Onkyo models:
- Onkyo 24140666
- Onkyo RC-666S
- Onkyo TX8222
- Onkyo TX8522
- Onkyo TX8255
Please ensure your Onkyo unit's model number matches one of those listed above for proper functionality.

Image: Front view of the Redi-Remote replacement remote control. The top section features power, volume, channel, mute, menu, TV/Video, display, and recall buttons, along with a numeric keypad. The lower section, covered by a slide-down panel, includes controls for dimmer, FM/AM tuning, preset, playlist, album, and deck A/B playback functions.
2. Setup
2.1. Battery Installation
The remote control requires four (4) AAA batteries for operation. Follow these steps to install the batteries:
- Locate the battery compartment on the back of the remote control.
- Slide open the battery compartment cover.
- Insert four new AAA batteries, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Close the battery compartment cover until it clicks securely into place.
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.
3. Operating Instructions
This Redi-Remote replacement remote control is designed to operate your compatible Onkyo unit directly without any programming. Simply point the remote at your Onkyo unit and press the desired function button.
3.1. Basic Functions (Upper Section)
The upper section of the remote control contains the most frequently used functions:
- PWR (Power): Turns the Onkyo unit on or off.
- SLEEP: Activates the sleep timer function.
- TV/VIDEO: Selects the TV/Video input source.
- DISP (Display): Changes the display mode or information shown on the Onkyo unit.
- VOL + / VOL - (Volume): Adjusts the master volume level.
- CH+ / CH- (Channel): Navigates through channels or presets.
- MUTE: Mutes or unmutes the audio output.
- MENU: Accesses the Onkyo unit's menu system.
- RECALL: Recalls previous settings or stations.
- Input Selection Buttons (LINE 1/DVD, LINE 2, CD, TAPE 1, TAPE 2, PHONO, FM, AM): Selects the corresponding audio input source.
- Numeric Keypad (0-9, 100, ENT): Used for direct input of channel numbers, track numbers, or other numerical selections. '100' may be used for channels 100 and above, 'ENT' confirms input.
3.2. Advanced Functions (Lower Section)
The lower section of the remote control, accessible by sliding down the cover labeled "SLIDE DOWN", provides additional controls for specific audio functions:
- DIMMER: Adjusts the brightness of the Onkyo unit's display.
- FM / AM: Toggles between FM and AM radio bands.
- TUNE + / TUNE -: Manually tunes radio frequencies up or down.
- CLR (Clear): Clears current input or selection.
- D-TUNE (Direct Tune): Allows direct frequency input for radio tuning.
- PRESET + / PRESET -: Navigates through stored radio presets.
- PLAY LIST + / PLAY LIST -: Navigates through playlists.
- ALBUM + / ALBUM -: Navigates through albums.
- DECK A / DECK B Controls (Play, Pause, Stop, Fast Forward, Rewind, Skip): Controls playback for dual-deck audio components.
- RANDOM: Activates random playback mode.
- REPEAT: Activates repeat playback mode.
- D-SKIP (Disc Skip): Skips between discs in a multi-disc player.
- Pause (||) / Play (►): Standard playback control buttons.
4. Maintenance
4.1. Cleaning
To maintain the remote control's appearance and functionality:
- Wipe the surface with a soft, dry cloth.
- For stubborn dirt, lightly dampen the cloth with water or a mild, non-abrasive cleaner.
- Avoid using harsh chemicals, solvents, or abrasive materials, as these can damage the remote's finish or internal components.
4.2. Storage
When not in use for extended periods, store the remote control in a cool, dry place. Remove the batteries if the remote will not be used for several weeks or months to prevent potential battery leakage and damage.
5. Troubleshooting
5.1. Common Issues and Solutions
- Remote not responding:
- Ensure the remote is pointed directly at the Onkyo unit's infrared sensor.
- Check if the batteries are correctly installed with the correct polarity.
- Replace old batteries with new AAA batteries.
- Ensure there are no obstructions between the remote and the Onkyo unit.
- Limited functionality / Not all original remote functions work:
- This Redi-Remote is a replacement remote designed to control the specific Onkyo unit it is compatible with. It cannot be programmed to control auxiliary devices (e.g., TV, DVD player from a different brand).
- While it performs all functions for the specific unit it is designed for, some advanced or less common functions present on an original manufacturer's remote might not be replicated if they are not core to the unit's primary operation.
- Buttons require repeated presses:
- This can sometimes occur with replacement remotes. Ensure fresh batteries are used.
- Confirm line of sight to the Onkyo unit.
6. Specifications
- Model Number: RT24140666
- Product Dimensions: 3 x 3 x 1 inches (approximate, as listed)
- Item Weight: 5 ounces
- Batteries Required: 4 AAA batteries
- Connectivity Technology: Infrared (IR)
- Special Feature: No programming required
- Max Number of Supported Devices: 1 (the specific Onkyo unit)
- Compatible Devices: Stereo System (Onkyo models listed in Section 1.2)
7. Warranty and Support
Specific warranty details are not provided in this manual. For any concerns with the remote control after purchase, or for support inquiries, please contact the seller directly. They will be able to assist you with product-specific information and troubleshooting.
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