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Tower Hobbies 424 User Manual

4-channel 2.4ghz spread spectrum sct
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It is strongly recommended to completely read this manual before use!
Damage resulting from misuse or modification will void the warranty.
FEATURES
•
Power LED with low voltage warning
•
Wireless training function
•
Digital trims for aileron, elevator, rudder
•
Gimbals with smooth ball-bearing feel
•
Charge jack for optional rechargeable batteries
•
Failsafe in the included receiver
SLT TECHNOLOGY, TX-R, & COMPATIBLE RECEIVERS
This radio includes SLT technology to ensure a strong,
clear, frequency-hopping 2.4GHz signal is emitted, and
that your compatible receiver accepts a signal only from
your transmitter. Linking the included Tower Hobbies
brand receiver is accomplished by the simple push of a
button. This radio is also compatible with all transmitter-
ready aircraft bearing the Tx-R
having the SLT * protocol.
* Make sure optional receivers have the genuine SLT protocol before use with this radio.
®
™
logo, and Tactic and other brand receivers
1

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Summary of Contents for Tower Hobbies 424

  • Page 1 2.4GHz signal is emitted, and that your compatible receiver accepts a signal only from your transmitter. Linking the included Tower Hobbies brand receiver is accomplished by the simple push of a button. This radio is also compatible with all transmitter- ™...
  • Page 2 Pay special attention to all precautions and warnings to ensure the safest operation. This radio system is intended for sport and recreational fl ying of R/C models only. Tower Hobbies is not responsible for incidental damage or personal harm resulting from improper usage or unauthorized alteration of this product. Physical modifi cations of any component in this system will void the warranty.
  • Page 3 CHARGE JACK: A built-in charge jack is included for recharging of NiCd or NiMH rechargeable batteries. This jack can accept charge leads designed for Tactic brand transmitters, with the center pin being positive polarity. This jack is NOT compatible with charge leads designed for other radio brands. If using rechargeable batteries, make sure to only use a charger which is compatible with those battery types.
  • Page 4 right should cause the aileron on the right wing to move upwards, causing the right wing to dip and bank the plane to the right. Conversely, moving the stick to the left should cause the left wing to dip and bank the plane to the left. If movement of the stick causes the aileron surfaces to move in the opposite direction, move the reversing switch for aileron channel 1 to the opposite position.
  • Page 5 See the model’s instructions for specifi c details relating to operation of the model. TRAINER FUNCTIONS The Tower Hobbies 424 radio includes a wireless trainer function. This radio can also be connected by wireless means to another Tower Hobbies 424 transmitter or ™...
  • Page 6 V-TAIL AND ELEVON MIXING This radio includes mixing functions for controlling models having elevons on the wings or a V-tail. Certain model types have a tail shaped like a “V”, instead of the normal “T” shape. Mixing the transmitter’s elevator and rudder channels can allow for independent and combined control of both the “pitch”...
  • Page 7 FLIGHT EQUIPMENT INSTALLATION Link button CH4 Rudder servo CH3 Throttle (electronic speed control or servo) CH2 Elevator servo CH1 Aileron servo BAT Battery RECEIVER (RX): Follow the instructions included with the model for installation of the receiver. It’s a good idea to protect the Rx by wrapping it with foam rubber, and attach it fi...

  • Page 8: Link The Receiver To The Transmitter

    LINK THE RECEIVER TO THE TRANSMITTER Linking the 424 transmitter to the included receiver allows for direct communication between the two, and ensures no other radio equipment can interfere with operation. 1. Move the transmitter throttle stick to minimum. Turn the transmitter power switch ON.

  • Page 9: Failsafe Function

    FAILSAFE FUNCTION The failsafe function for this radio system is established in the receiver. If the control signal from the transmitter is suddenly lost, the receiver will automatically activate the failsafe. The aileron, elevator, and rudder channels (1,2, and 4) will hold the last positions as received.
  • Page 10 5. Carefully check for proper control of the throttle. For electric powered models, when the throttle stick is at maximum the ESC should give the proper indications to identify full forward motion is active. When throttle is at minimum, the ESC should give the proper indications to identify power is off or zero throttle.

  • Page 11: Safety Guide

    Practice good safety precautions at all times when fl ying model aircraft. The AMA can assist in locating authorized local fl ying clubs and fi elds. The Tower Hobbies 424 is intended for use with radio control model hobby airplanes. Use with non- hobby related products for non-hobby related activities is not recommended or encouraged.

  • Page 12: Important Warnings

    Antenna: built-in non-removable Charge jack: built-in (Tactic compatible, for use with optional NiCd or NiMH cells) ® Trainer function: wireless (compatible with Tower Hobbies and Tactic brand transmitters only) Optional mixes: elevon, v-tail TOWER HOBBIES 6 CHANNEL RECEIVER: Channels: Frequencies: 2.403 –...

  • Page 13: Troubleshooting

    • NEVER allow the transmitter’s throttle stick to accidentally be moved away from the “idle” or minimum position while the model’s engine/motor is moving. • ALWAYS range check the radio system before use. • ALWAYS make sure that all transmitter stick movements operate all servos properly in the model.

  • Page 14: Fcc Statement

    ONLY ONE SERVO GLITCHES: Servo is bad – replace the servo or send to Hobby Services for repair. FAILSAFE NOT WORKING CORRECTLY: Rx not properly linked to the Tx – re-link and re-try. Contact Hobby Services for further details. WIRELESS TRAINER FUNCTION NOT LINKING: Confi rm that another Tower Hobbies or Tactic brand 2.4GHz system or radio utilizing the SLT protocol is not on in your area.

  • Page 15: Year Limited Warranty

    This warranty gives you specifi c rights. You may have other rights, which vary from state to state. For service on your Tower Hobbies product in North America, send it postpaid and insured to: HOBBY SERVICES 3002 N.

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