ConsoleXpress C138
ConsoleXpress C138 RC Helicopter User Manual
Model: C138
Brand: ConsoleXpress
1. Introduction
Thank you for choosing the ConsoleXpress C138 RC Helicopter. This 1/33 scale, 2.4G, 6-channel remote control helicopter is designed for stable and enjoyable flight, featuring optical flow positioning and a 6-axis gyroscope. This manual provides essential information for safe operation, setup, maintenance, and troubleshooting to ensure the best experience with your new RC helicopter.
2. Safety Precautions
Please read and understand all safety instructions before operating the C138 RC Helicopter. Failure to follow these instructions may result in injury or damage to the product.
- Age Recommendation: This product is recommended for users aged 12 months to 17 years. Adult supervision is advised for younger users.
- Flight Environment: Operate the helicopter in open, clear areas, away from people, animals, buildings, and power lines. Avoid flying in strong winds or adverse weather conditions.
- Battery Safety: Use only the provided 7.4V Lithium Battery and USB charger. Do not overcharge or short-circuit the battery. Discontinue use if the battery shows signs of damage or swelling.
- Propeller Safety: Keep hands, face, and loose clothing away from rotating propellers. The helicopter features intelligent anti-stuck protection to prevent propeller damage, but caution is always necessary.
- Loss of Control Protection: The helicopter is equipped with loss control protection. If signal is lost, the helicopter may attempt to land automatically.
- Low Voltage Alarm: Pay attention to the low voltage alarm, which indicates the battery needs recharging. Land the helicopter immediately when this alarm activates.
3. Package Contents
Verify that all items listed below are included in your package:
- C138 Helicopter (1)
- Remote Controller (1)
- Instruction Manual (1)
- USB Charger (1)
- Main Rotors (2)
- Tail Rotor (1)
- 7.4V Lithium Battery (1)
- Screwdriver (1)
- Hex Wrench (1)

Image 3.1: Contents of the C138 RC Helicopter package, including the helicopter, remote, battery, charger, and tools.
4. Setup
4.1. Charging the Helicopter Battery
- Connect the provided USB charger to a suitable USB power source (e.g., computer USB port, USB wall adapter).
- Connect the 7.4V Lithium Battery to the USB charger.
- The charging indicator light on the USB charger will show the charging status. Charging typically takes approximately 50 minutes.
- Once charging is complete, disconnect the battery from the charger.
4.2. Installing the Helicopter Battery
- Locate the battery compartment on the C138 helicopter.
- Insert the fully charged 7.4V Lithium Battery into the compartment. The modular design allows for quick installation.
- Secure the battery compartment cover.

Image 4.1: The modular battery system for easy installation and removal.
4.3. Remote Controller Setup
- Install the required batteries (not specified, typically AA or AAA) into the remote controller's battery compartment. Ensure correct polarity.
- Power on the remote controller.
4.4. Pairing the Helicopter and Remote Controller
- Place the helicopter on a flat, level surface.
- Power on the helicopter. The indicator lights will flash.
- Power on the remote controller.
- Move the throttle stick (left stick) all the way up, then all the way down. The indicator lights on both the helicopter and remote will become solid, indicating successful pairing.
5. Operating Instructions
The C138 RC Helicopter features a 6-channel design for precise control and various flight functions.
5.1. Basic Controls
- Throttle (Left Stick Up/Down): Controls ascending and descending.
- Rudder (Left Stick Left/Right): Controls rotation (yaw) of the helicopter.
- Elevator (Right Stick Up/Down): Controls forward and backward movement.
- Aileron (Right Stick Left/Right): Controls left and right sideways flight.
5.2. One-Key Takeoff and Landing
After pairing, press the One-Key Takeoff button on the remote controller. The helicopter will automatically ascend to a stable hovering height. Press the One-Key Landing button to initiate an automatic descent and landing.

Image 5.1: Illustration of the one-key takeoff function, simplifying initial flight.
5.3. Flight Modes and Features
- Optical Flow Positioning: Enhances hover stability and reduces flight time collision risks by maintaining position.
- 6-Axis Gyroscope: Provides stable and accurate flight attitude, making it suitable for novice pilots.
- Three-Speed Adjustment: The helicopter offers low, moderate, and high-speed settings. Adjust the speed according to your operating proficiency and desired flight experience.
- 6G/3D Flips: Perform impressive stunt maneuvers. Refer to the specific instructions in the remote controller manual for executing flips.
- Route Flight: Plan and execute pre-defined flight paths.
- Multidirectional Flight: Enjoy unrestricted movement including ascending, descending, moving forward, backward, flying left, flying right, rotating left, and rotating right.

Image 5.2: Visual representation of various flight modes and maneuvers, including circling and route flight.

Image 5.3: Depiction of the three-speed adjustment feature, allowing pilots to choose flight speed.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your C138 RC Helicopter.
- Cleaning: Gently wipe the helicopter with a soft, dry cloth after each use to remove dust and debris. Avoid using water or chemical cleaners.
- Propeller Inspection: Regularly check the main and tail rotors for any damage, cracks, or bends. Replace damaged propellers using the provided spare parts and screwdriver/hex wrench.
- Battery Care: Store the lithium battery in a cool, dry place away from direct sunlight. Do not leave batteries fully charged or fully discharged for extended periods. Charge the battery before storage if it will not be used for a long time.
- Storage: When not in use, store the helicopter and remote controller in a safe place to prevent damage.
7. Troubleshooting
If you encounter issues with your C138 RC Helicopter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Helicopter does not respond to remote. | Not paired; low battery in remote or helicopter. | Re-pair the helicopter and remote; charge helicopter battery; replace remote batteries. |
| Unstable flight or difficulty hovering. | Propellers damaged; gyroscope not calibrated; strong wind. | Inspect/replace propellers; ensure helicopter is on a flat surface during power-on for gyro calibration; fly in calm conditions. |
| Helicopter crashes or lands unexpectedly. | Low voltage alarm; loss of control signal. | Land immediately when low voltage alarm sounds; ensure clear line of sight between remote and helicopter. |
| Propellers stop during flight. | Stuck protection activated (e.g., propeller hit an obstacle). | Check for obstructions; power cycle the helicopter and remote. |
8. Specifications
Detailed technical specifications for the ConsoleXpress C138 RC Helicopter:
- Model: C138 (BELL 206)
- Item Model Number: P39M52W1G139KG
- Material: PA/PC Composite Engineering Materials/Electronic Components
- Scale: 1/33
- Rotor Diameter: 306mm
- Fuselage Dimensions: 312mm (Length) x 79mm (Width) x 101mm (Height)
- Helicopter Weight: 105g
- Helicopter Battery: 7.4V Lithium Battery (Capacity: 350mAh)
- Remote Control Frequency: 2.4G
- Channels: 6CH
- RC Distance: 80-100m (up to 120-200 meters in optimal conditions)
- Charging Time: Approximately 50-60 minutes
- Usage Time: 11-13 minutes
- Gyroscope: 6-axis Gyro
- Positioning: Optical Flow Positioning
- Features: No Aileron Design, Variable Pitch Design, 3 Steering Gear, Air Pressure Height, Modular Battery, One-Click Lift, Rise, Fall, Forward, Backward, Left Side Fly, Right Side Fly, Rotate Left, Rotate Right, Flight Course, Brush Trick, 6G Mode, Low Voltage Alarm, Locked-Rotor Protection, Out-of-Control Protection, Large and Small Volume Control.

Image 8.1: Diagram illustrating the key product parameters and dimensions of the C138 helicopter.
9. Warranty and Support
For warranty information or technical support, please contact ConsoleXpress customer service through your purchase platform or the contact details provided with your product packaging. Please retain your proof of purchase for any warranty claims.
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