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9 CHANNEL 2.4GHz AIRCRAFT COMPUTER RADIO SYSTEM 9 CHANNEL 2.4GHz AIRCRAFT COMPUTER RADIO SYSTEM
Set-up and Use of the Hitec 2.4GHz System
ID-Setup A.K.A, binding or linking
Binding when Transmitter is in Normal Mode
a. For the Aurora, turn on the transmitter. Press and hold the button on the module, and press Transmit Yes, red LED will flash,
release the button.
b. Press and hold the button on the receiver, turn on the receiver, red LED is on solid, release the button on the receiver.
After receiver is powered-up, the red LED glows solid and the blue LED flash’s on the module.
c. Turn off receiver.
d. Turn off transmitter.
e. Turn on transmitter, red LED is solid.
f. Turn on receiver, red LED is solid, after a moment the module will beep 4 times very quickly
g. You should now have control over the model as the transmitter and module are linked in Normal Mode.
Binding when Transmitter is in ScanMode
a. For the Aurora, turn on the transmitter. Press and hold the button on the module, and press Transmit Yes,
red LED will flash, release the button.
b. Press and hold the button on the receiver, turn on the receiver, red LED is on solid, release the button on the receiver.
Solid red and blue LEDs indicator that the receiver is linked with the module.
c. Turn off receiver.
d. Turn off transmitter.
e. Turn on transmitter, red LED is solid, blue LED is blinking.
f. Turn on receiver, red LED is solid, after a moment, the blue LED will also come on, and the module emits one long beep.
g. You should now have control over the model as the transmitter and receiver are bound in Scan Mode.
Each system and module / receiver set is paired at the factory for your convenience. Use the following Linking (ID-Setting)
sequence as you add Optima receivers into other aircraft to be controlled by your Aurora.
Note
- Binding must be done within 15ft. (5m) of the transmitter and receiver.
- Transmitter and receiver need to be at least 18in. (45cm) from each other to binding properly.
- In the ScanMode, if the transmitter or receiver has been shut off or disconnected for more than one second,
both module and receiver need to re-boot (turn the power off, and back on).
Note
To turn the system on and off, use the following sequence at all times
Turning On -Turn on the transmitter, select “transmit”, then turn on the receiver.
Turning Off -Turn off the receiver, then turn off the transmitter.
Warning
Always do a pre-flight function check
Before the engine or motor is started, turn on the system as explained above. Then make sure all the servos and control surfaces are
working properly. If any control surface is not moving properly, do not fly the aircraft until the problem is solved.
Range Check
Do a complete range check as described on page 20 before each flying session to confirm the radio system is working properly.
Your Hitec AFHSS system uses a communication protocol that links and binds the Optima receiver to your Aurora transmitter. Once their
ID is set, no other transmitter can interfere with your receiver during its operation. In the case of multiple model memory transmitters like
the Aurora, you can bind or link as many Optima receivers to your transmitter as necessary.
Normal Mode
- In this mode the receiver/transmitter uses the frequencies which selected at the time it was initially set-up.
- After the initial set-up, the everyday start-up is quicker in the Normal Mode. In 90% of cases the Normal Mode is preferred by users.
- In the Normal mode, if the transmitter or receiver loses power, then power is restored, the system will re-link and function normally.
- The factory default setup is Normal Mode.
Scan Mode
- In ScanMode the receiver/transmitter will scan all available channels every time you turn it on. It will then choose the cleanest
frequencies to use. ScanMode is preferable to use when flying in a crowded 2.4GHz environment.
- While in ScanMode if the transmitter loses power it will not rebind to the receiver, if the receiver loses power it will take longer
to re-bind than when in Normal Mode.
- In all cases the ScanMode binding function will take longer than in Normal Mode when you boot-up the system.
Changing from Normal Mode to Scan Mode
a. Turn on transmitter, then the receiver.
b. After linking and you have control over the model, press the button on the module for 6 seconds, you will hear one beep
followed by two beeps then release the button.
c. The module will now switch to ScanMode noted by the red and blue LED and one beep.
d. Turn off the transmitter and receiver.
e. Turn the system back on and wait for the system to boot and you have control over the model in ScanMode.
Changing from Scan Mode to Normal Mode
a. Turn on transmitter, then the receiver.
b. After linking and you have control over the model, press the button on the module for 6 seconds, you will hear one beep
followed by two beeps then release the button.
c. The module will now switch to Normal Mode noted by the red LED and two beeps.
d. Turn off the transmitter and receiver.
e. Turn the system back on and wait for the system to boot and you have control over the model in Normal Mode.
Set-up and Use of the Hitec 2.4GHz System
Scan Mode and Normal Mode Selection
Hitecs Spectra 2.4GHz module and Optima series receivers have two different operational modes to choose from,
“Normal” or ScanMode.
There are available 2.4GHz channels that can be used by your Hitec AFHSS 2.4 system. The following will explain
how Normal Mode and ScanMode use the channels.
FAIL-SAFE and Hold Mode
If you use the FAIL-SAFE function, and set it up properly, should the receiver signal somehow be interrupted or
interference were to occur, the servos will move to your pre-set FAIL-SAFE point you previously stored in the
receiver during the FAIL-SAFE set-up process.
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, airbrakes extended, aero-tow release open, etc).
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