1. Product Overview
The ZKSJ CT01 is an advanced 8-channel 2.4GHz remote control radio transmitter designed for various RC models, including cars, trucks, crawlers, and boats. It features a bi-directional O2 protocol for reliable communication and real-time telemetry. The system includes the CT01 transmitter and the CR1800 receiver, offering a signal reception range of up to 400 meters.
Figure 1: ZKSJ CT01 Transmitter, CR1800 Receiver, and included rechargeable battery.
Key Features:
- 8-Channel Control: Provides extensive control options for complex RC models.
- 2.4GHz Bi-directional O2 Protocol: Ensures stable and responsive communication with a 400-meter signal range.
- LCD Display: Integrated 128x64mm screen for real-time information and settings adjustment.
- Real-time Telemetry: Displays vehicle battery voltage and receiver signal strength directly on the transmitter screen.
- Rechargeable Battery: Includes a 3.7V lithium-ion battery, rechargeable via a Type-C port.
- Failsafe Setting: Enhances safety by defining default actions in case of signal loss.
- Lock Mode: Prevents accidental input during operation.
Figure 2: The CT01 utilizes a bidirectional 2.4GHz wireless system with upgradable firmware.
2. Package Contents
Before proceeding with setup, please verify that all items listed below are present in your package:
- CT01 Remote Control Transmitter (x1)
- CR1800 Receiver (x1)
- Charging Cable (x1)
- Double-sided Sticker (x1)
- Rechargeable Lithium-ion Battery (pre-installed or separate, check packaging)
Figure 3: All components included in the ZKSJ CT01 product package.
3. Setup Guide
3.1. Transmitter Battery Installation and Charging
- Locate the battery compartment on the underside of the CT01 transmitter.
- Insert the provided 3.7V lithium-ion battery, ensuring correct polarity.
- Close the battery compartment cover securely.
- To charge the transmitter, connect the provided Type-C charging cable to the charging port on the transmitter and to a suitable USB power source (e.g., computer USB port, USB wall adapter). The LCD display will indicate charging status.
3.2. Receiver Installation
The CR1800 receiver is compact and designed for easy integration into your RC model.
- Identify a suitable, secure location within your RC model for the CR1800 receiver. Ensure it is away from excessive heat, moisture, and potential interference sources.
- Use the provided double-sided sticker to firmly attach the receiver to the chosen surface.
- Connect the receiver to your model's electronic speed controller (ESC) and servos according to your model's specific wiring diagram. The CR1800 supports 8 channels.
Figure 4: The CR1800 receiver features 8 channels and supports 5-8.4V input voltage.
3.3. Binding the Transmitter and Receiver
Binding establishes a secure wireless connection between your CT01 transmitter and CR1800 receiver.
- Ensure both the transmitter and receiver are powered off.
- On the CR1800 receiver, locate the BIND button. Press and hold this button.
- While holding the BIND button, power on the receiver. The receiver's LED indicator should flash rapidly, indicating it is in binding mode.
- Power on the CT01 transmitter.
- Navigate to the binding menu on the transmitter's LCD screen (refer to Section 4.1 for menu navigation). Select the 'Bind' option.
- Once binding is successful, the receiver's LED indicator will turn solid, and the transmitter's screen will confirm the connection.
- Turn off both the transmitter and receiver, then power them on again to confirm the binding is retained.
3.4. Changing Display Language (Chinese to English)
If your transmitter display is in Chinese/Mandarin upon first use, follow these steps to change it to English:
- Ensure the transmitter is powered OFF.
- Press and hold the rotating dial (which also functions as a push-button) located on the top right of the transmitter.
- While holding the dial down, power ON the transmitter. This action will enter the setup menu.
- Use the rotating dial to navigate through the menu options. Look for an option related to 'Language' or 'System Settings'.
- Select 'English' from the available language options.
- Confirm your selection and exit the setup menu. The display should now be in English.
4. Operating Instructions
4.1. Transmitter Controls and LCD Display
The CT01 transmitter features a steering wheel, throttle trigger, various buttons, and an LCD screen for comprehensive control and feedback.
Figure 5: The ergonomic design of the CT01 transmitter for comfortable handling.
- Steering Wheel: Controls the steering of your RC model.
- Throttle Trigger: Controls forward and reverse movement. Pull for forward, push for reverse/brake.
- LCD Display: Provides access to settings, model memory, telemetry data (vehicle battery voltage, signal strength), and other system information. Use the rotating dial and associated buttons to navigate menus and adjust parameters.
- Buttons (C, D, etc.): These auxiliary buttons can be assigned to various functions depending on your model's setup (e.g., lights, winches, gear shifts). Note that these buttons may be stiff or difficult to operate during active driving.
Figure 6: The LCD screen provides real-time telemetry data.
4.2. Advanced Features
- Failsafe Setting: Access the Failsafe menu via the LCD display. Set default positions for your servos (e.g., neutral throttle, slight brake, straight steering) in case of signal loss to prevent runaway models.
- Lock Mode: This feature can be activated through the menu to prevent accidental changes to settings or control inputs.
- Virtual Potentiometer: The CT01 may include a 'Virtual Potentiometer' function. This is typically configured during setup to adjust parameters that do not require real-time changes during operation. Consult the on-screen menu for specific adjustments.
Figure 7: Visual representation of Failsafe Setting, Lock Mode, and warning features.
5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your ZKSJ CT01 system.
- Cleaning: Use a soft, dry cloth to clean the transmitter and receiver. Avoid using harsh chemicals or solvents.
- Storage: Store the transmitter and receiver in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: Regularly charge the transmitter's battery. If storing for extended periods, charge the battery to approximately 50% capacity. Do not fully discharge the battery before storage.
- Firmware Updates: Check the manufacturer's website periodically for firmware updates. The CT01 supports upgradable firmware.
6. Troubleshooting
This section addresses common issues you might encounter with your CT01 system.
6.1. Display is in Chinese/Mandarin
Refer to Section 3.4 for detailed instructions on how to change the display language to English.
6.2. Difficulty with Menu Navigation and Programming
The LCD display is small, and menu navigation can be challenging initially. Take your time to familiarize yourself with the rotating dial and button functions. Practice navigating the menus when the RC model is not in operation. If instructions are unclear, try to interpret the visual cues on the screen or seek online community support.
6.3. Receiver Not Responding or Binding Issues
- Ensure both transmitter and receiver are fully charged or have adequate power.
- Verify that the binding procedure (Section 3.3) was followed correctly. Repeat the binding process if necessary.
- Check all connections between the receiver, ESC, and servos. Loose connections can cause intermittent issues.
- Inspect the receiver for any visible damage. If the receiver appears faulty, contact customer support for assistance or replacement.
6.4. Intermittent Signal Loss or Poor Range
- Ensure the receiver antenna is properly positioned and not obstructed by metal or carbon fiber components in your model.
- Avoid operating in areas with high electromagnetic interference (e.g., near power lines, large metal structures, or other 2.4GHz devices).
- Check the transmitter and receiver battery levels. Low power can affect signal strength.
7. Specifications
CT01 Remote Control Transmitter:
- Channels: 8
- Frequency: 2.4GHz
- Protocol: Bi-directional O2
- Signal Reception Range: 400 meters
- Battery: 3.7V Rechargeable Lithium-ion (included)
- Charging Port: Type-C
- Weight: 227g (approximately 8 ounces)
- Dimensions: 165mm x 150mm x 90mm (6.5 x 5.9 x 3.5 inches)
- Screen Size: 128 x 64mm
CR1800 Receiver:
- Channels: 8
- Frequency: 2.4GHz
- Protocol: Bi-directional O2
- Input Voltage: 5-8.4V
- Weight: 7.5g (approximately 0.26 ounces)
- Size: 35mm x 25mm x 13mm (1.38 x 0.98 x 0.51 inches)
Figure 8: Dimensions of the CT01 Transmitter.
8. Warranty and Support
For warranty information, please refer to the documentation provided with your purchase or contact the retailer where you purchased the ZKSJ CT01 system. If you encounter any issues not covered in this manual or require further assistance, please reach out to ZKSJ customer support through their official website or the contact information provided by your seller.
