1. Introduction
This manual provides detailed instructions for the proper use and maintenance of your Davitu RM-C3302 Remote Control. This remote is designed for use with JVC and Kenwood LCD LED televisions and features both infrared (IR) communication and a six-axis gyroscope for enhanced control.
2. Product Overview
The Davitu RM-C3302 is an original replacement remote control featuring a compact, ergonomic design. It supports both traditional IR control for basic TV functions and 433 MHz wireless communication for its six-axis gyroscope (air mouse) functionality, which requires a USB receiver.
Figure 2.1: Front view of the RM-C3302 remote control, showing the directional pad, OK button, and other function keys. The model number 'RM-C3302' is visible at the bottom.
Figure 2.2: Two RM-C3302 remote controls displayed alongside their respective USB wireless receivers. This image highlights the compact size of both the remote and the receiver.
Figure 2.3: Back view of two RM-C3302 remote controls, revealing a full QWERTY keyboard layout on the reverse side of each remote. The USB wireless receivers are also visible.
3. Setup
3.1. Battery Installation
- Locate the battery compartment cover on the back of the remote control.
- Slide or lift the cover to open the compartment.
- Insert the required batteries (typically AAA, not included) according to the polarity indicators (+ and -) inside the compartment.
- Replace the battery compartment cover securely.
3.2. USB Receiver Connection (for Gyroscope/Air Mouse Function)
- Locate an available USB port on your JVC or Kenwood LCD LED TV.
- Insert the provided USB wireless receiver into the USB port.
- The TV may display a message indicating a new USB device has been detected.
- The remote control's gyroscope/air mouse function should now be active. No additional pairing is typically required as the remote and receiver are pre-paired.
4. Operating Instructions
4.1. Basic TV Control (Infrared)
Point the front of the remote control directly at your television. The following buttons operate via infrared (IR) communication:
- Power Button: Turns the TV on or off.
- Volume Up/Down: Adjusts the TV's volume level.
- Channel Up/Down: Changes the TV channel.
- Mute Button: Mutes or unmutes the TV audio.
- Input/Source Button: Cycles through available input sources (HDMI, AV, etc.).
4.2. Gyroscope / Air Mouse Function (433 MHz Wireless)
Once the USB receiver is connected, the remote's six-axis gyroscope allows for air mouse functionality. Move the remote in the air to control a cursor on the TV screen.
- Activating/Deactivating: Some models may have a dedicated button to toggle the air mouse on/off. Refer to your TV's on-screen prompts if available.
- Cursor Control: Move your wrist to guide the on-screen cursor.
- Clicking: Use the 'OK' button or a designated click button to select items.
- Calibration: If the cursor drifts, place the remote on a flat surface for a few seconds to recalibrate the gyroscope.
4.3. QWERTY Keyboard Usage
The reverse side of the remote features a full QWERTY keyboard for easy text input, useful for smart TV applications, search functions, or web browsing.
- Orientation: Flip the remote to the keyboard side. The remote should automatically detect the orientation and activate the keyboard.
- Typing: Press the individual keys to input characters.
- Shift/Ctrl/Alt: Use these modifier keys for special characters or functions as indicated on the keyboard.
- Space/Enter: Dedicated keys for space and enter functions.
5. Maintenance
5.1. Cleaning
To clean the remote control, use a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner. Do not use harsh chemicals or immerse the remote in water.
5.2. Battery Replacement
Replace batteries when the remote's response becomes sluggish or it stops functioning. Always replace all batteries at the same time with new ones of the same type. Dispose of used batteries according to local regulations.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote not responding (IR functions) | Dead batteries; Obstruction between remote and TV; Remote not pointed correctly. | Replace batteries; Remove obstructions; Ensure direct line of sight to TV's IR receiver. |
| Air mouse not working or cursor drifting | USB receiver not connected; Batteries low; Gyroscope needs calibration. | Ensure USB receiver is securely plugged into TV; Replace batteries; Place remote on a flat surface for a few seconds to recalibrate. |
| Keyboard not responding | Remote not flipped to keyboard side; Batteries low. | Ensure the remote is oriented with the keyboard facing upwards; Replace batteries. |
| Limited range | Low batteries; Interference (for wireless functions). | Replace batteries; Reduce interference from other wireless devices. |
7. Specifications
- Model Number: RM-C3302
- Use: Television
- Wireless Communication: Infrared (IR), 433 MHz (for gyroscope/air mouse)
- Special Feature: Six-axis gyroscope, Ergonomic design, Integrated QWERTY keyboard
- Max Number of Supported Devices: 1
- Compatible Devices: JVC, Kenwood LCD LED Televisions
- Connectivity Technology: Infrared, Wireless (via USB receiver)