Introduction
Thank you for choosing the CALLPHA Turbo Racing 1:76 Scale Sport RC Car C75 Black. This miniature remote control car offers a full proportional driving experience with advanced features in a compact design. This manual provides essential information for safe operation, setup, maintenance, and troubleshooting to ensure optimal performance and enjoyment of your RC car.
Safety Information
WARNING: CHOKING HAZARD - Small parts. Not for children under 14 years.
- Always operate the RC car in a safe environment, away from people, pets, and obstacles.
- Do not operate near water or in wet conditions to prevent electrical damage.
- Keep fingers, hair, and loose clothing away from moving parts.
- Ensure the battery is charged under supervision and disconnected when not in use.
- Use only the provided charging cable and battery.
Package Contents
Please verify that all items listed below are included in your package:
- 1x Turbo Racing 1:76 Scale Sport RC Car (C75 Black)
- 1x 2.4GHZ Remote Control
- 1x Charging Cable (Type-C)
- 1x Screwdriver
- 2x Replaceable Body Shells (original color)
- 1x Instruction Manual

Product Overview
The CALLPHA Turbo Racing C75 Black is a highly detailed 1:76 scale RC car designed for enthusiasts. It features full proportional control, advanced lighting, and a customizable body.
Key Features:
- High Simulation Headlights: Features a spotlight effect and double flash function.
- LED Chassis Lights: Controllable via Channel 3 on the remote.
- THR-Curve Upgrade: Provides a gentle linear acceleration initially, followed by a powerful output for an exciting driving experience.
- Type-C Charging Port: Convenient and widely compatible charging.
- Long Battery Life: 55mAh battery offers up to 30 minutes of runtime with a 40-minute charge time.
- Tail Light Stop Lights: Cool taillight design with functional stop lights during braking.
- DIY Removable Car Shell: Easily swap body shells for customization; two original color shells are included.

Setup Guide
Charging the Battery
- Locate the Type-C charging port on the RC car.
- Connect the provided Type-C charging cable to the car and a suitable USB power source (e.g., computer USB port, USB wall adapter).
- The charging indicator light on the car will illuminate during charging and turn off or change color when fully charged.
- Charging typically takes approximately 40 minutes for a full charge, providing up to 30 minutes of playtime.

Installing/Replacing Body Shells
The C75 RC car features a DIY removable car shell design, allowing for easy customization and replacement.
- Gently unclip the existing body shell from the chassis. No screws are required for removal.
- Align the new body shell with the chassis and carefully press down until it securely clips into place.
- Ensure all clips are engaged to prevent the shell from detaching during operation.

Operating Instructions
Remote Control Functions
The 2.4GHz remote control provides full proportional steering and throttle for precise control.
- Beginner Mode: The accelerator speed can be adjusted to 20%, 50%, or 100% for different skill levels. Refer to the remote control diagram for the specific switch.
- Colorful Light / Breathing Light: When the remote control car is charged, the red light is on by default. Short press Channel 3 to switch among 7 colors. Long press Channel 3 to switch to the breathing light mode.
- Removable Handle: The remote control handle can be removed for easy storage and portability.

Driving the RC Car
The C75 features an upgraded THR-Curve for enhanced driving dynamics.
- Upon startup, the first 50% of the accelerator range provides a slow, linear speed increase, offering gentle and smooth control.
- The latter 50% of the accelerator range delivers faster acceleration and strong power output for an exciting experience.
- Utilize the full proportional steering for precise turns and maneuvers.

Lighting Control
- Headlights: The high simulation headlights provide a realistic spotlight effect and a double flash function.
- Chassis Lights: The LED lights on the chassis can be controlled using Channel 3 on the remote control.
- Tail Lights / Stop Lights: The car is equipped with cool taillights. During braking, the stop lights will illuminate.

Adjustable Wheelbase
The C75 features an adjustable wheelbase, allowing for DIY retrofitting to accommodate different scales (1:76 to 1:64). The original wheelbase is 38.8mm, with possible adjustments between 38.8mm and 41.2mm.

Maintenance
- Cleaning: Use a soft, dry cloth to clean the car body and chassis. Avoid using water or chemical cleaners.
- Battery Care: Always fully charge the battery before storage and recharge it every 3 months if not in use to maintain battery health. Do not overcharge or completely discharge the battery.
- Storage: Store the RC car and remote control in a cool, dry place away from direct sunlight and extreme temperatures.
- Inspection: Periodically check for loose screws or damaged parts. Use the provided screwdriver for minor adjustments.
Troubleshooting
- Car Not Responding:
- Ensure both the car and remote control are powered on.
- Check if the car's battery is fully charged.
- Verify that the remote control batteries are fresh and correctly installed.
- Re-pair the remote control with the car if necessary (refer to remote control instructions).
- Car Not Charging:
- Ensure the Type-C cable is securely connected to both the car and the power source.
- Try a different USB power source or charging cable.
- Check for any debris in the charging port.
- Lights Not Working:
- Ensure the car is powered on.
- For chassis lights, verify Channel 3 on the remote is correctly operated.
- Check for any physical damage to the LED lights.
- Poor Performance / Lack of Power:
- Ensure the battery is fully charged.
- Check for any obstructions in the wheels or drivetrain.
- If the car feels sluggish, the battery may be nearing the end of its charge cycle.
Technical Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 1.97 x 1.18 x 0.79 inches |
| Item Weight | 1.32 pounds |
| Model Number | C-75 Black |
| Manufacturer Recommended Age | 14 years and up |
| Batteries | 1 Lithium Polymer battery required (included) |
| Manufacturer | CALLPHA |
Warranty and Support
For any questions, technical assistance, or warranty claims, please contact CALLPHA customer support through the retailer's platform or the official brand website. Please retain your proof of purchase for warranty validation.





