Hitec RCD SPEC-24DS SPREAD SPECTRUM TRANSMITTER User Manual Print
Hitec RCD Inc. SPREAD SPECTRUM TRANSMITTER Print
Users Manual
Atom3 Instruction
SPECTRA 2.4DS: 2.4GHz DSSS Module Spec & Features
Atom 3: 3 Channel Surface Receiver Specifications & Features
Service & Support
HITEC 2.4GHz DSSS System
SPECTRA 2.4DS & ATOM 3
Instruction Manual ver 1.0
Servo manufacturer will specify maximum voltage of their servo model.
Please refer each servo’s specification.
Note
Warning!
SPECTRA 2.4DS Frequency Output Stock No.
US Bandwidth 2.403GHz~2.476GHz 18dBm 28724
Japan Bandwidth 2.403GHz~2.476GHz 10dBm xxxxx
Europe Bandwidth 2.403GHz~2.476GHz 10dBm xxxxx
France Bandwidth 2.454GHz~2.476GHz 10dBm xxxxx
Model Name Size Weight Stock Number
ATOM 3 1.18 x 0.79 x 0.47in (30 x 20 x 12mm) 0.23oz(6.5g) 29324
Thank you for your purchase of the Hitec Direct Sequence Spread Spectrum or
DSSS, 2.4GHz surface module and receiver system. This manual contains the
complete directions on how to use the Atom3 3 channel surface receiver. We
encourage you to review the entire manual before using these products.
Hitec Customer Service
Help is available from the Hitec office through phone support and e-mail inquiries.
Our US office is generally open Monday thru Friday, 8:00AM to 4:30PM PST.
These hours and days may vary by season. Every attempt is made to answer every
incoming service call. Should you get voice mail, leave your name and number and
a staff member will return your call..
Hitec Website
Make plans to visit the Hitec website, www.hitecrcd.com, on a regular basis. Not only
is it full of specs and other information about the entire Hitec product line, our FAQ
pages will eventually hold valuable information and program update about the
Spectra 2.4DS module and Atom 3 receiver.
The On-Line Community
One of the benefits of the extensive R/C online community is the vast wealth of
archived knowledge available.
Hitec sponsors forums on most of the popular R/C web sites where a Hitec staff
member or representative tries to answer all manner of product related questions.
Bringing together strangers with common interests is proving to be one of the
greatest gifts of the internet. If past history is any guide to the future, we are certain
forums will be started about the Hitec 2.4 system and several are certain to stand out
as valuable archives of information
Warranty and Non-Warranty Service
All Hitec products carry a two year from date of purchase warranty against manufac-
tures defects. Our trained and professional service representative will determine if
the item will be repaired or replaced. To provide all the necessary information we
need to administrate your repair, visit our website at www.hitecrcd.com and
download the repair form, fill it out and send in your item for repair.
Func. Button
LED
Channel & Battery Port
Antenna
1. The receiver antenna should not be placed near the engine, metal parts,
or high current batteries.
2. The receiver Antenna should not get damaged.
To prevent antenna damage, do not install the antenna near the sharp
edge or bend it more than 90 degree in angle.
3. Use a Velcro or think double sided tape to install to absolve the shock
during the operation.
4. When LED indicator irregularly blinks, indicates unstable frequency
environment, stop operating and look for the possible cause of problems.
LED
Func. Button
Antenna
1177
2.403GHz ~ 2.476GHz
2.454GHz ~ 2.476GHz
1. Function/Link Button
Button for Link (ID-Setting)
2. LED Status Indicator
Indicates current status of module
3. Antenna
2.4GHz Rubber duck Antenna
Operating Voltage: Rechargeable four to six cell NiMH, NiCd, or LiPo batteries
(4.8~7.4V). From the receiver battery power or speed control (ESC) power. Select
the suitable voltage depends on the servos capability.
Current Consumption: 40mA
1. Function Button
- Used for linking the receiver to a module and entering the FAIL-SAFE or Hold
feature.
2. RED LED Status Indicator
- Indicates the set-up process codes and current status of Atom 3.
- Frequency environment indication feature: when the reception is bad the red LED
irregularly blinks.
3. Channel Output and Battery Input Ports
- The ports for battery, servos and other accessories
Compatibility
- The Atom3 receiver is compatible with transmitters using the Hitec DSSS 2.4
system
Spectra 2.4DS module or future dedicated built-in DSSS 2.4 Hitec transmitters.
What is Fail-Safe Mode?
If you use the FAIL-SAFE function, and set it up properly, should the receiver signal
somehow be interrupted or interference were to occurred, the servos will move to
your pre-set FAIL-SAFE position you previously stored in the receiver during the
FAIL-SAFE set-up.
If FAIL-SAFE has not been activated, the signal is switched off after the HOLD period
of 1 sec. This means that the servos become “soft” and remain in their last
commanded position under no load (this may equate to full-throttle!), until a valid
signal is picked up again.
In the interests of safety, we recommend that FAIL-SAFE should always be
activated, and the FAIL-SAFE settings should be selected so as to bring the model
to a non-critical situation (e.g. motor idle / electric motor OFF, control surfaces
neutral, or full brake, etc.)
When LED On (Fail-Safe Mode On):
Press the function button once to switch to the hold mode, the LED will goes off and
indicates that the receiver is in Hold Mode.
Note: once you switch to the hold mode all the saved Fail-Safe position will be
deleted.
When LED Off (Hold Mode On):
To switch to the Fail-Safe Molde, first adjust all the control knobs to the fail-safe
position you prefer, then press the function button once, the LED turns on at the
same time the fail-safe position will be saved.
Once Fail-Safe/Hold Selection Mode activated , you can keep switching the mode by
pressing the function button.
FAIL-SAFE / HOLD Option Fail-safe or Hold Mode Switch
Fail-Safe Setup Method
Receiver Connection Diagrams
Link (ID-Setting)
How to Link Spectra 2.4DS and Atom 3 receivers
To avoid any interference, the link process should be done
within 3 feet (1 meter) in distance.
Note
If FAIL-SAFE is deactivated, the FAIL-SAFE position settings are also deleted!
Note
The FAIL-SAFE settings should be checked every time before you run the
engine/motor.
Note
SERVO SERVO SERVO
Receiver
Battery
Steering
Engine
AUX
Servos and other accessories may be set with a FAIL-SAFE point or choose HOLD
mode if power to the receiver is lost.
Electric powered car with Electronic Speed Control
Use this method on electric car using ESC’s providing power to the receiver and
servo functions
Glow, gas or electric powered aircraft using a separate receiver battery supply.
Follow this connection diagram when using a regulated Li-Po, or 4.8 to 6V. Receiver
battery,
It is already lined between Spectra 2.4DS and Atom 3, if purchased as a set
* Only for the module/receiver combo set or radio combo sets.
If purchased separate Atom 3, the Link (ID-Setting) process is required.
How to Link additional receivers:
Please refer to the connection diagram and connect all the necessary items before
the process.
How to Link Spectra 2.4DS and Atom 3 receivers:
Atom 3 receiver:
1. Press the Function Button and turn on the power.
2. Release the button and confirm the red LED is blinking. The receiver is waiting
for incoming signal.
3. Once the receiver’s link (ID-Setting) process done. The red LED will stop blinking
and become steady on status.
Spectra 2.4DS:
1. Press the Function Button and turn on the power.
2. Release the button the red LED will blinking and looking for a receiver.
3. Confirm that the receiver’s red LED is solid on.
4. Turn off receiver first then the transmitter power..
5. Turn on receiver first then the transmitter power.
Now you are ready to run.
Power Battery Motor
BEC
ESC
SERVO SERVO
Steering
AUX
Push the button once to switch the mode
d. LED On: Fail-Safe Mode ON d. LED Off: Hold Mode On
Atom 3
b. Press the function button of the
Atom 3 and turn on the power.
c. Check the LED Status
a. Press the function button of the Spectra 2.4DS
and turn on the transmitter.
Spectra 2.4DS
Product Approved to HITEC RCD, INC.
Manufacturer/Country: HITEC RCD, INC./The Philippines
Production Date:
Warning!
This product is designed to be used as a R/C hobby product and should
be operated under local regulation.
Improper use of this product can be dangerous.
Improper usage can cause damage other’s properties and/or cause serious injury.
Never operate your vehicle in a crowded street with traffic
To maintain compliance with FCC’s RF exposure guidelines, this equipment
should be installed and operated with minimum separation distance of 20cm
between the radiator and your body.
Use only the supplied antenna.