1. Introduction
This document provides essential instructions for the uehba replacement remote control, designed for seamless operation with a range of Denon Integrated Network AV Receivers. This remote is pre-programmed for immediate use, requiring no complex setup procedures.
Compatible Denon AV Receiver Models:
- AVR-X3600H, AVR-X2600H, AVR-S950H, AVR-X3500H, AVR-S940H, AVR-X2500H
- AVR-X1600H, AVR-X1600H DAB, AVR-S750H, AVR-X1500H, AVR-S740H, AVR-S730H
- AVR-X1400H, AVR-X2400H, AVR-X3400H, AVR-S930H, AVR-S900W, AVR-S910W, AVR-S920W
- AVR-X1300W, AVR-X2100W, AVR-X2200W, AVR-X2300W, AVR-X3100W, AVR-X3200W, AVR-X3300W, AVR-X5200W
Compatible Original Remote Models:
- RC-1217, RC-1218, RC-1192, RC-1228, RC-1227
2. Setup
The uehba replacement remote control is pre-programmed and does not require any code entry or synchronization with your Denon AV Receiver. The only setup required is the installation of batteries.
2.1 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 remove it.
- Insert two (2) 1.5V 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.

Figure 2.1: Battery compartment with cover removed, showing battery placement.

Figure 2.2: Back of the remote control with the battery cover installed.
Note: Batteries are not included with the remote control.
3. Operating Instructions
Once batteries are installed, the remote control is ready for use. Point the remote directly at your Denon AV Receiver and press the desired function button.

Figure 3.1: Front view of the remote control with all buttons.
3.1 Basic Functions
- POWER: Turns the AV Receiver on or off.
- ZONE SELECT: Selects the audio zone.
- INPUT SELECTORS (e.g., CBL/SAT, DVD, Blu-ray, GAME, AUX, USB, TV AUDIO, Bluetooth, MEDIA PLAYER, TUNER): Switches to the corresponding input source.
- VOLUME +/-: Adjusts the master volume level.
- MUTE: Mutes or unmutes the audio output.
- NAVIGATION (Up, Down, Left, Right, ENTER): Used for menu navigation and selection.
- SETUP: Accesses the receiver's setup menu.
- BACK: Returns to the previous menu or screen.
- INFO: Displays information about the current source or settings.
- QUICK SELECT (1, 2, 3, 4): Provides quick access to pre-configured settings or favorite inputs.

Figure 3.2: Side profile of the remote control, illustrating its ergonomic design.
4. Maintenance
4.1 Cleaning
To clean the remote control, gently wipe its surface with a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water. Avoid using abrasive cleaners, solvents, or chemical sprays, 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 away from direct sunlight and extreme temperatures. If the remote will not be used for several weeks or months, it is advisable to remove the batteries to prevent leakage and potential damage.
5. Troubleshooting
5.1 Remote Not Responding
- Check Batteries: Ensure batteries are inserted correctly with the correct polarity (+/-). Replace old or depleted batteries with new 1.5V AAA batteries.
- Line of Sight: Make sure there are no obstructions between the remote control and the Denon AV Receiver. The remote requires a clear line of sight to transmit signals.
- Distance: Ensure you are within the effective operating range of the remote control (typically up to 20 feet or 6 meters).
- Infrared Interference: Bright light sources, such as direct sunlight or certain types of fluorescent lighting, can interfere with the remote's infrared signal. Try operating the remote in a different lighting condition.
5.2 Intermittent Operation
If the remote works intermittently, it may indicate low battery power. Replace the batteries with new ones. Also, ensure the battery contacts inside the compartment are clean and free from corrosion.
6. Specifications
| Feature | Specification |
|---|---|
| Model | RC-121F (Replacement) |
| Dimensions (L x W x H) | 8.78 x 1.97 x 0.59 inches (22.3 x 5.0 x 1.5 cm) |
| Weight (without batteries) | 2.96 ounces (84 grams) |
| Power Source | 2 x 1.5V AAA Batteries (not included) |
| Color | Black |
| Special Feature | Ergonomic Design |
| Max Supported Devices | 1 (Denon AV Receiver) |
7. Warranty and Support
Information regarding specific warranty terms or direct customer support for this uehba replacement remote control is not provided in the product details. For any issues not covered in this manual, please refer to the seller or retailer from whom the product was purchased.