1. Introdución
This manual provides essential information for the safe and effective operation, setup, and maintenance of your ARRMA 1/10 SENTON 4X4 223S BLX BRUSHLESS Short Course Truck. Please read this entire manual before operating the vehicle to ensure proper function and to prevent damage or injury.

Fronte view of the ARRMA SENTON 4X4 223S BLX Short Course Truck.

Lado view of the ARRMA SENTON 4X4 223S BLX Short Course Truck.
2. Pautas de seguridade
ADVERTENCIA: Lea o manual de instrucións COMPLETO para familiarizarse coas características do produto antes de utilizalo. Se non utiliza o produto correctamente, pode causar danos neste, en bens persoais e lesións graves.
Este é un produto sofisticado para afeccionados. Debe operarse con precaución e sentido común e require certa habilidade mecánica básica. O incumprimento do funcionamento deste produto dun xeito seguro e responsable podería provocar lesións ou danos ao produto ou a outros bens. Este produto non está destinado ao uso por parte de nenos sen a supervisión directa dun adulto. Non o use con compoñentes incompatibles nin altere este produto de ningún xeito fóra das instrucións proporcionadas por Horizon Hobby, LLC. O manual do produto contén instrucións de seguridade, funcionamento e mantemento. É esencial ler e seguir todas as instrucións e advertencias do manual antes da montaxe, configuración ou uso para funcionar correctamente e evitar danos ou lesións graves.
3. Contido do paquete
The ARRMA 1/10 SENTON 223S BLX 4X4 Short Course Truck RTR package includes the following items:
- (1) SENTON 223S BLX 4X4 1/10 Scale Short Course Truck RTR
- (1) Spektrum SLT 80A 2 en 1 ESC e receptor impermeables 2S/3S con DSC
- (1) Motor sen escobillas Spektrum 3100Kv
- (1) Transmisor Spektrum SLT3 de 2.4 GHz
- (1) Servo dixital impermeable Spektrum S662 Metal-Geared 25T
- (4) Pilas AA (para o transmisor)
- (1) Manual de instrucións
- 2.5 and 3.0mm hex wrenches
4. Configuración
4.1 Required Items (Not Included)
To operate your ARRMA SENTON truck, you will need to provide a compatible battery and charger. The vehicle supports 2S or 3S LiPo batteries.

Illustration of required batteries (2S or 3S LiPo) and a charger, which are not included with the truck. The maximum battery tray dimensions are 165mm x 51mm x 48mm (6.5" x 2.01" x 1.89").
4.2 Instalación da batería
Follow these steps to install the main drive battery:
- Ensure the vehicle's power switch is OFF.
- Remove the body clips and lift the truck body.
- Place your chosen 2S or 3S LiPo battery into the battery tray. Ensure it fits within the maximum dimensions.
- Secure the battery using the integrated battery strap system.
- Connect the battery to the ESC (Electronic Speed Controller).
- Volva colocar a carrozaría do camión e asegúreaa cos clips da carrozaría.

Example of compatible 2S and 3S LiPo batteries.
4.3 Configuración do transmisor
The Spektrum SLT3 2.4GHz Transmitter is included. Install the four AA batteries (included) into the transmitter. Refer to the separate transmitter manual for detailed setup and calibration procedures.

The Spektrum SLT3 2.4GHz Transmitter.
4.4 Procedemento vinculante
Your vehicle and transmitter are factory-bound. If re-binding is necessary, follow these general steps:
- Ensure the transmitter is off and the vehicle is off.
- Power on the receiver/ESC in the vehicle while holding the bind button (if available) or following the specific bind sequence for your Spektrum system.
- Power on the transmitter while holding its bind button (if available).
- Observe the LED indicators on both the receiver and transmitter for successful binding confirmation. Consult the Spektrum manual for precise instructions for your specific components.
5. Funcionamento
5.1 Controis básicos
Familiarize yourself with the transmitter controls:
- Volante: Controls left and right direction.
- Gatillo do acelerador: Tirar para avanzar, empurrar para retroceder/frear.
- Diales de axuste: Adjust steering and throttle neutral points.
5.2 Driving Environment
The ARRMA SENTON is designed for various terrains. Avoid operating in deep water or extremely muddy conditions to prevent damage to electronics, despite its waterproof components. Always operate in open areas free from obstacles, people, and pets.

The ARRMA SENTON truck operating in shallow water.

The ARRMA SENTON truck performing a jump.
5.3 Dynamic Stability Control (DSC) and Throttle Limiting
The Spektrum DSC (Dynamic Stability Control) system assists in maintaining control during aggressive driving. The throttle limiting feature allows you to adjust the maximum power output, which is useful for new drivers or when operating in confined spaces.
6. Mantemento
6.1 Limpeza xeral
After each use, clean your truck to remove dirt, dust, and debris. Use a soft brush or compressed air. Avoid using water directly on electronics unless specified as waterproof.

Chasis view with the body removed for maintenance access.
6.2 Drivetrain Inspection
Regularly inspect the 4X4 drivetrain, including the center differential, for wear or damage. Ensure all gears are free of debris and lubricated as per the detailed service manual (available from ARRMA support).

Detail of the differential gear assembly.

Parte inferior view of the chassis, highlighting drivetrain components.
6.3 Suspension Check
Check the all-terrain suspension package for proper function. Inspect shock absorbers for leaks and ensure springs are not damaged. Adjustments to oil and ride height can optimize performance.

Detail of a shock absorber.
6.4 Coidado dos pneumáticos
Inspect tires for wear, tears, or punctures. Soft tires can wear quickly, especially on abrasive surfaces. Replace worn tires to maintain optimal traction and handling.
7 Solución de problemas
7.1 Problemas comúns
- Sen enerxía: Check battery charge, connections, and vehicle power switch. Ensure transmitter batteries are fresh.
- Perda de control: Re-bind the transmitter and receiver. Check for interference or damaged antenna wires.
- Baixo Voltage Cutoff (LVC): If the vehicle stops or slows down unexpectedly, the battery may be depleted. Use batteries with sufficient 'C' rating (80C or higher recommended) to avoid premature LVC.
- Motor/ESC Issues: Ensure cooling fans (if installed) are clear. Check for loose motor wires or damaged ESC.

ESC and motor cooling fans.
8. Especificacións
| Característica | Detalle |
|---|---|
| Dimensións do produto | 21.97 x 12.01 x 8.27 polgadas |
| Peso do elemento | 7.83 libras |
| Número de modelo | ARA4303V4T1 |
| Idade recomendada polo fabricante | 14 anos en diante |
| Data de lanzamento | 7 de novembro de 2024 |
| Fabricante | Horizon Hobby |

Detailed vehicle dimensions.
9. Garantía e soporte
For warranty information, technical support, or to purchase replacement parts, please visit the official ARRMA website or contact Horizon Hobby customer service. Keep your proof of purchase for warranty claims.





