RADIO CONTROLLED ELECTRIC POWER BOAT

INSTRUCTION MANUAL

ITEM NO.:ST746ST746BL

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• Always carefully follow the directions and warnings for this and any optional support equipment (chargers, rechargeable battery packs, etc.).

• Always keep all chemicals, small parts and anything electrical out of the reach of children.

• Always avoid water exposure to all equipment not specifically designed and protected for this purpose. Moisture causes damage to unprotected electronics.

• Never place any portion of the model in your mouth as it could cause serious injury or even death.

• Never operate your model with low transmitter batteries.

Age Recommendation:

Not for children under 14 years. This is not a toy.

WARNING : Read the ENTIRE instruction manual to become familiar with the features of the product before operating. Failure to operate the product correctly can result in damage to the product, personal property and cause serious injury.

This is a sophisticated hobby product and NOT a toy. It must be operated with caution and common sense and requires some basic mechanical ability. Failure to operate this Product in a safe and responsible manner could result in injury or damage to the product or other property. This product is not intended for use by children without direct adult supervision. Do not attempt disassembly, use with incompatible components or augment product in any way without the approval of Horizon Hobby, Inc. This manual contains instructions for safety, operation and maintenance. It is essential to read and follow all the instructions and warnings in the manual, prior to assembly, setup or use, in order to operate correctly and avoid damage or serious injury.

As the user of this product, you are solely responsible for operating in a manner that does not endanger yourself and others or result in damage to the product or the property of others.

• When handling and/or transporting your boat, always pick up the boat from the front, keeping all moving parts pointed away from you.

• Always keep a safe distance in all directions around your model to avoid collisions or injury. This model is controlled by a radio signal subject to interference from many sources outside your control. Interference can cause momentary loss of control.

• Always operate your model in open spaces away from full-size vehicles, traffic and people.

The following terms are used throughout the product literature to indicate various levels of potential harm when operating this product:

NOTICE

CAUTION

WARNING

: Procedures, which if not properly followed, create a possibility of physical property damage AND little or no possibility of injury.

: Procedures, which if not properly followed, create the probability of physical property damage AND a possibility of serious injury.

: Procedures, which if not properly followed, create the probability of property damage, collateral damage, and serious injury OR create a high probability of superficial injury.

Safety Precautions and Warnings

MEANING OF SPECIAL LANGUAGE

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boat

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As the user of this product, you are solely responsible for operating in a manner that does not

endanger yourself and others or result in damage to the product or the property of others.

• When handling and/or transporting your boat, always pick up the boat from the front, keeping all

moving parts pointed away from you.

• Always keep a safe distance in all directions around your model to avoid collisions or injury. This

model is controlled by a radio signal subject to interference from many sources outside your con-

trol. Interference can cause momentary loss of control.

• Always operate your model in open spaces away from full-size vehicles, traffic and people.

• Always carefully follow the directions and warnings for this and any optional support equipment

(chargers, rechargeable battery packs, etc.).

• Always keep all chemicals, small parts and anything electrical out of the reach of children.

• Always avoid water exposure to all equipment not specifically designed and protected for this

purpose. Moisture causes damage to unprotected electronics.

• Never place any portion of the model in your mouth as it could cause serious injury or even death.

• Never operate your model with low transmitter batteries.

Age Recommendation: Not for children under 14 years. This is not a toy. Safety precautions and

Warnings

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MT-300TX

MT-300TX MT-300RX

MT-300RX

MT-300

04

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VCC

CH3BIND

CH2

CH1

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VCC

CH3BIND

CH2

CH1

VCC

CH3BIND

CH2

CH1

VCC

CH3BIND

CH2

CH1

MT-300RX

MT-300RX

06

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VCC

CH3BIND

CH2

CH1

Steering Trim Lever

CH1

Throttle Trim Lever

CH2

Steering D/R Lever

D/R

Throttle EPA

- + - +

MT-300RX

07

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1

2

3

B

Steering Dual Rate

Lever (D/R)

Steering Trim

Lerer (CH1)

Connects to the steering servo

Motor connector

Battery connector

Power switch

CONNECTION

MT-202

MT-202T

227g

Operating

RF

6.0~8.4V(Ni-cd)

Antenna (Built in)

6.0~7.4V(Li-poly 2s)

0.26oz (7.4g)8

MT-202RE

08

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MT-202T：

1.CH1(Steering) Trim：

Steering neutral adjustments can be made by moving the steering trim lever to the left or right.

When you install a servo, always check to be sure the servo is at its neutral position. Adjust the servo horn position

and linkage so both are parallel. Be sure the steering trim on the transmitter is at the neutral position.

2.CH1(Steering Dual-Rate)D/R：

Use this function to adjust the steering travel of your model. If the model understeers while cornering, add steering by

rotating the CW side of the D/R knob. When the model oversteers, take away steering by rotating the C.CW side of the

D/R knob.

3.CH1(Steering)Reverse：

If the servo operate in the opposite direction,moving the reverse lever

for the servo reversing.

4.Low Battery Indicator：

If the transmitter battery voltage drops below 4.2V the LED will be flashed.

MT-202RE：Receiver+ESC for 1/18 Car

1.CH1(Steering)Output：Connect the servo for steering operation.

2.Battery connector： Connects to the battery.Red is plus＋,Black is minus－. For Ni-cd battery 5～7cells(6.0～8.4V) or

Lithium-Poly battery 2S(7.4V)

3.Motor connector：Connect to the motor.

4.CH2(Throttle) Operation：Forward 、reverse and brake are all linear.

When switched to reverse operation just returning the throttle trigger from the brake position to the neutral position.

5.Low-battery&Heat protection：When the battery voltage drops below 5.5V or the FET are over heat,the motor will shut

off and the LED will be rapid flash.

MT-202T&MT-202RE Bind：

Binding Process

1.Turn the transmitter power on while pressing the bind sw.

2.The transmitter Red LED will flashing for 20 seconds.

3.Plug the battery into the MR-202, then turn on the power while the transmitter LED is flashing.

4.When the LED on the receiver unit is steady light ,binding is complete.

5.When the binding procedure is successful, the LED on the receiver will stay solid red when both the transmitter and

receiver are turned on.

MT-202T LED Display

LED ON：Power on

LED Rapid Flash：Battery low

LED Slow Flash：Bind mode

MT-202RE LED Display

LED OFF：Indicates that the power is off or no signal reception

LED ON：Receiving signals

LED Rapid Flash：Battery low or heat protector is detected.

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rudder

Motor

Poor

Difficult steer

10

Steering Trim

MT-202 MT-300

Left

Right

boat

boat

rudderthe boat

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Charging Warnings

WARNING: Never leave a charging battery pack unattended. Monitor the battery periodically for heat

and if at any point the temperature exceeds 120F, disconnect from the allow it to cool

fully before reconnecting.

Length: 480mm

Beam: 118.5mm

Height: 150mm

Transmitter:

2.4GHz Radio

Manta Ray

Motor : High Power Motor(ST746)

Brushless Motor(ST746BL)

Speed Control : 2in1 ESC / Receiver(ST746)

Brushless ESC(ST746BL)

Battery :7.2V 800mAh Ni-MH Battery(ST746)7.4V 1500mAh Li-Po Battery(ST746BL)

2

3

4

Boat Battery Pack Installation

1. Lift the back of the canopy lid off the magnet

and pull it back and away from the hull to remove.

2. Adhere loop tape (included) to the battery.

Do not cover the battery warning label.

3. Connect the battery.

4. Secure the boat battery on the hook strip in the boat.

5. Refer to Getting Started instructions about powering

on your boat.

boat boat lots of

boat

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(BL)

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746-011

746-00328029N

21470N(BL)

746-006

MT-202REB

MT-300RX

(BL)

21405E

(BL)

LP7415E

28020

746-025

HTX-243S

746-027

746-030

746-027

746-026

02057S

02057S

746-024

746-024

746-022

746-004

746-023

746-028746-029

746-021

746-015

746-014

746-007

746-008

746-019W

746-013

746-009

746-010

746-010

746-016(OP)

746-018(OP)

746-017(OP)

746-002

746-005

(BL)

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Parts List

Magnet

Button Head Screws 3X8 Button Head Screws 3X10

Button Head Screws2.5X6

O-RingFlat Head Screws 3X8

Grub Screws M3X3

Deck Panel Motor Mount

Trim Flap

Organ Set

Shafting Assembly Propeller

Antenna Pipe

Push Rod

Push Rod Mounts

Foam Double Tape

746-002

Boat Stand

Fuel Pipe

13

Rudder Main Assembly Rudder

746-003

Water Cooling

(ST746 Only)

746-004 746-006

746-007 746-008 746-009 746-010

746-015

746-024

746-020 746-021

02057S

Lock Nuts M3Boat Cover

746-019Y

Boat Cover

746-019W

746-005

746-022 746-023

Cap Head Screws 2X6

746-026 746-027 746-030746-025

746-011

746-012 746-013 746-014

746-017 746-018

Option Part Option PartOption Part

Rudder Main Assembly

746-016

Boat Cover Handle Water OutletMini Servo

HTX-243S

Yellow

White

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Parts List

Brush Version

Brushless Version

MT-202T MT-202REB 746-028 28029N 28020

Mini 2.4Ghz Radio Mini 2in1 ESC/Receiver

E020 E021 E022 E023

NI-MH Battery Charger(UK Standard)(EU Standard) (AU Standard)(US Standard)

NI-MH Battery Charger NI-MH Battery Charger NI-MH Battery Charger

03027

Charger/battery WireConnector

MT-300TX

2.4G Transmitter

MT-300RX

LP7415E

21405E

2.4G Receiver

High Power Motor

Waterproof Brushless EscWatercool Brushless Motor

7.4V 1500mAh Li-Po Battery

A3US

US StandardLi-Po Balance Charger

A3EU

Li-Po Balance Charger

A3AU

Li-Po Balance Charger

A3UK

Li-Po Balance ChargerEU Standard AU Standard UK Standard

14

7.2V 800mAh NiMh BatteryCoupler

746-029 21470N

Coupler

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