1. Introduction
This manual provides detailed instructions for the safe and efficient operation of your LDARC CT01 2.4GHz 8-channel radio transmitter and CR1800 receiver. Designed for use with RC cars, mini boats, and tanks, this system offers reliable control and advanced features. Please read this manual thoroughly before using the product to ensure proper setup and to maximize your enjoyment.
2. Product Overview
2.1. Key Features
- 8-channel control with 5-group model memory.
- Atmosphere tail lamp for enhanced visibility.
- Firmware upgrade capability.
- Out-of-control protection for safety.
- Locking mode for secure operation.
- Rocker calibration for precise control.
- Dual track model support.
- Convenient USB charging.
- Option to restore factory settings.
- 128x64 dot matrix LCD screen for clear information display.
- Sound and vibration alarms for alerts.
- Single and two-way mode switching.
- Removable 18650 battery.
- Fine and linear feel with a clear neutral point for comfortable, long-duration operation.
- Two-way data telemetry: signal strength and power voltage return.
2.2. Transmitter Components (CT01)
- LCD Screen: Displays operational information.
- Roller Wheel: For menu navigation and value adjustment.
- ST Trim: Steering Trim adjustment.
- TH Trim: Throttle Trim adjustment.
- SWC, SWB, SWA, SWD, SWE: Assignable switches for various functions.
- Rear RGB: Customizable LED lighting.
- CH1 ST: Channel 1 Steering control.
- CH2 TH / REV: Channel 2 Throttle/Reverse control.
- 18650 Battery Compartment: Houses the removable 18650 battery.
- Battery Door: Secures the battery compartment.
2.3. Receiver Components (CR1800)
The CR1800 is an 8-channel receiver compatible with the O2 protocol, designed to work seamlessly with the CT01 transmitter. It features multiple ports for connecting servos and other components.
3. Specifications
3.1. CT01 Remote Control
| Parameter | Value |
|---|---|
| Channels | 8 Channels |
| Frequency | 2.4GHz Bidirectional |
| Protocol | O2 Protocol |
| Application | RC Car, Mini Boat, Tank |
| Weight | 227g |
| Dimensions | 165 x 150 x 90mm |
| LCD Screen | 128x64 Dot Matrix |
| Battery | Removable 18650 (Included) |
| Material | Composite Material |
| Recommended Age | 14+ years |
3.2. CR1800 Receiver
| Parameter | Value |
|---|---|
| Channels | 8 Channels |
| Frequency | 2.4GHz Bidirectional |
| Protocol | O2 Protocol |
| Application | RC Car, Mini Boat, Tank |
| Input Voltage | 5-8.4V |
| Weight | 7.5g |
| Dimensions | 35 x 25 x 13mm |
4. Setup
4.1. Battery Installation (CT01 Transmitter)
- Locate the battery door at the bottom of the CT01 transmitter.
- Open the battery door.
- Insert a fully charged 18650 battery into the compartment, ensuring correct polarity.
- Close the battery door securely.
4.2. Receiver Connection (CR1800)
Connect your servos, ESC (Electronic Speed Controller), and other components to the appropriate channels on the CR1800 receiver. Ensure the input voltage to the receiver is within the specified range of 5-8.4V.
4.3. Binding Procedure
To establish communication between the CT01 transmitter and CR1800 receiver, a binding process is required. Refer to the specific binding instructions provided with your RC model or the full LDARC manual for detailed steps. Generally, this involves putting both the transmitter and receiver into bind mode simultaneously.
4.4. Model Memory Setup
The CT01 transmitter supports 5-group model memory. This allows you to save and quickly switch between settings for different RC models. Use the LCD screen and roller wheel to navigate to the model memory settings and configure each model as needed.
5. Operating Instructions
5.1. Powering On/Off
- To power on the transmitter, press and hold the power button until the LCD screen illuminates.
- To power off, press and hold the power button again until the screen turns off.
5.2. LCD Screen Overview
The 128x64 dot matrix LCD screen provides real-time information:
- Transmitter Battery Level: Indicates the remaining power of the 18650 battery.
- Model No. & Name: Shows the currently selected model profile.
- Lock Mode: Indicates if the controls are locked.
- Telemetry Voltage: Displays the voltage of the connected RC model (if supported).
- Receiver Signal Strength: Shows the quality of the connection to the CR1800 receiver.
- CH Trims (CH1, CH2, CH3, CH4, CH5, CH6, CH7): Displays current trim settings for each channel.
- Servo Speed: Indicates the speed setting for servos.
- Channel Remap List & Output Value: Shows the mapping and output values for each channel (1-ST, 2-TH, 3-SA, 4-SB, 5-SC, 6-SD, 7-SE, 8-V1).
5.3. Basic Controls
- Steering Wheel (CH1 ST): Controls the steering of your RC model.
- Throttle Trigger (CH2 TH / REV): Controls forward/reverse movement and speed.
5.4. Adjustments and Settings
- Trims (ST Trim, TH Trim): Use these buttons to fine-tune the neutral position of your steering and throttle.
- Switches (SWA, SWB, SWC, SWD, SWE): These are assignable switches for auxiliary functions on your RC model. Refer to your model's manual for specific assignments.
- Roller Wheel: Used for navigating menus on the LCD screen and adjusting parameters.
- Single and Two-Way Mode Switching: The transmitter supports both single and two-way communication modes. Two-way mode enables telemetry data return.
5.5. USB Charging
Connect the CT01 transmitter to a USB power source using a compatible cable for charging the internal 18650 battery.
6. Maintenance
- Cleaning: Keep the transmitter and receiver clean and free from dust and debris. Use a soft, dry cloth. Avoid using solvents or harsh chemicals.
- Storage: Store the unit in a cool, dry place away from direct sunlight and extreme temperatures. Remove the 18650 battery if storing for extended periods.
- Firmware Updates: Periodically check the LDARC website for available firmware updates to ensure optimal performance and access to new features.
- Rocker Calibration: If you notice any drift or inaccuracy in your controls, perform a rocker calibration. This option is available through the transmitter's menu.
- Restore Factory Settings: In case of persistent issues or to clear all custom settings, you can restore the transmitter to its factory default settings via the menu.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Transmitter not powering on | Low or dead 18650 battery; Incorrect battery installation. | Charge or replace the 18650 battery; Check battery polarity. |
| No control over RC model | Not bound to receiver; Receiver not powered; Out of range; Receiver input voltage incorrect. | Perform binding procedure; Ensure receiver is powered (5-8.4V); Operate within range; Check receiver voltage. |
| Controls are erratic or drifting | Rocker calibration needed; Trim settings incorrect; Interference. | Perform rocker calibration; Adjust ST/TH trims; Move to an area with less interference. |
| No telemetry data displayed | Not in two-way mode; Telemetry not supported by model; Poor signal. | Switch to two-way mode; Ensure model supports telemetry; Improve signal strength. |
| Sound/Vibration alarm active | Low transmitter battery; Low model battery (telemetry); Out of range warning. | Check battery levels; Bring model closer to transmitter. |
If issues persist, consider performing a 'Restore Factory Settings' operation as described in the Maintenance section.
8. User Tips
- Practice in an Open Area: Before operating your RC model in confined spaces, practice in a large, open area to get accustomed to the controls.
- Check Battery Levels: Always ensure both your transmitter and RC model batteries are fully charged before use to avoid unexpected power loss.
- Secure Connections: Double-check all connections between the receiver, servos, and ESC to prevent disconnections during operation.
- Experiment with Trims: Use the trim adjustments to make small corrections to your model's straight-line tracking or neutral throttle, especially after initial setup.
- Utilize Model Memory: If you have multiple RC models, take advantage of the 5-model memory feature to save and quickly load specific settings for each, saving setup time.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please contact your retailer or the manufacturer directly. Keep your proof of purchase for any warranty claims.
