CopterX CX-Ct9A User manual

CX-CT9A
2.4GHz 9 channel
Radio System
www.copterx.com
Copyright © 2011 KY MODEL Company Limited.
INSTRUCTION MANUAL
INSTRUCTION MANUAL

01
MENU
1
2
3
4
5
5.1
5.2
5.3
6
6.1
6.2
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
8
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
8.10
8.11
8.12
8.13
8.14
8.15
8.16
8.17
8.18
8.19
8.20
8.20.1
8.20.2
8.20.3
9
9.1
9.2
9.3
9.4
9.5
Table of content
Introduction
Service
Meaning of special markings
Transmitter Controls
Radio Installation
Receiver and Servo Connections
Charing the Ni-CD Batteries
Range Testing Your R/C System
Multi LCD and Programming Controls
Display
Main Menu
System Setting
Model Selection
Name Edit
Type Selection
Modulation Selection
Stick Mode Selection
Copy
LCD Adjust
Function Setting (Helicopter)
REVERSE
THRO CURVE
PITCH CURVE
SUB TRIM
END POINT
THRO HOLD
AUX-CH
SWASH MIX
D/R & EXP
TRIM
REVO CURVE
FAIL SAF
HOV THR
HOV PITCH
TRAINER
DISPLAY
TIMER
GYRO SENS
STNT TRIM
PROG<123>
PRAGRAM MIXING 1
PRAGRAM MIXING 2
PRAGRAM MIXING 3
Function Setting (Airplane)
REVERSE
TRAINER
SUB TRIM
END POINT
THRO HOLD
1
2
5
7
9
10
11
12
13
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
CX-CT9A
2.4GHz 9 channel Radio System
9.6
9.7
9.8
9.9
9.10
9.11
9.12
9.13
9.14
9.15
9.16
9.17
9.18
9.19
9.20
9.21
9.21.1
9.21.2
9.22
9.23
9.24
10
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
10.10
10.11
10.12
10.12.1
10.12.2
10.13
10.14
10.15
10.16
10.17
10.18
10.19
10.20
FLAPERON
D/R & EXP
TRIM
IDLEDOWN
FAIL SAF
TIMER
DISPLAY
FLAPTRIM
AILDIFF
AIRBRAKE
ELEFLAP
V-TAIL
ELEVON
SNAPROLL
THRONEEDLE
PROG. MIX
MIX1-5
MIX6-7
AILVATOR
THRODELAY
AUX-CH
Function Setting (Glid)
REVERSE
SUB TRIM
END POINT
D/R & EXP
TRIM
FAIL SAF
TIMER
FLAPTRIM
AILDIFF
ELEVFLAP
V-TAIL
PROG. MIX
MIX1-5
MIX6-7
BUTTERFLY
START OFS
SPEED OFS
DISPLAY
TRAINER
FLAPERON
ELEVON
AUX-CH
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54

1. Introduction
Thank you for purchasing the CopterX CX-CT9A digital proportional remote control system. If this is
your first computer radio, rest assured that it is designed to make initial setup and field-tuning of
your more accurate than would be if using a non-computer radio. Although this is a beginner or
sport system with the requirements of those flyers in mind, in order to make the best use of your
CopterX CX-CT9A and to operate it safely, you must carefully read all of the instructions.
Suggestion: If, while reading the instructions, you are unclear of some of the procedures or func-
tions and become stuck, continue to read on anyway. Often, the function or procedure will get
explained again later in a different way providing another perspedctive from which to understand
it. Another suggestion is to connect the battery, switch and servos to the receiver and actually oper-
ate the radio of your wordbench as you make programming changes. Then, you'll be able to see the
effects of your programming inputs.
2. Service
If any difficulties are encountered while setting up or operating your system, please consult the
instruction manual first. For further assistance, you may also refer to your hobby dealer or contact
CopterX technical service: [e-mail]
3. Meaning of special markings
Pay special attention to safety where indicated by the following marks:
Warning: Always keep electrical components away from small children.
FLYING SAFETY - To ensure the safety of yourself and others, please serve the following precautions:
Procedures which may lead to dangerous conditions and cause death / serious
injury if not carried out properly.
Have regular maintenance performed. Although our CX-CT9A super protects the model
memories with non-volatile EEPROM memory (which does not require periodic replace-
ment) and not a battery, it still should have regular checkups for wear and tear. We recom-
mend sending your system to the CopterX service annually during your non-flying-season
for a complete checkup and service.
02
CX-CT9A
2.4GHz 9 channel Radio System
Procedures where the possibility of serious injury to the user is small, but there is
a danger of injury, or physical damage, if not carried out properly.
Procedures which may lead to a dangerous condition or cause death / serious
injury to the user if not carried out properly, or procedures where the probability
of superficial injury or physical damage is high.

03
CX-CT9A
2.4GHz 9 channel Radio System
Ni-CD Battery
If you must fly away from a club field, be sure there are no other modelers flying within a three-to-
five-mile range, or you may lose control of your aircraft or cause someone else to lose control.
At the flying field
1. Pull throttle stick to idle position, or otherwise disarm your motor / engine
2. Turn on the transmitter power and allow your transmitter to reach its home screen
3. Confirm the proper model memory has been selected
4. Fully extend the transmitter antenna
5. Turn on your receiver power
6. Test all controls, if a servo operates abnormally, don't attempt to fly until you determine the cause of the problem (for
PCM systems only: Test to ensure that the FailSafe settings are correct by waiting at least 2 minutes after adjusting then,
turning the transmitter off and confirming the proper surface / throttle movements, turn the transmitter back on.
7. Start your engine
8. Complete a full range check
9. After flying, bring your throttle stick to idle position, engage any kill switches or otherwise disarm your motor / engine
10. Turn off receiver power
11. Turn off transmitter power
If you do not turn on your system in this order, you may damageyour servos or control surfaces,
flood your engine, or in the case of electric-powered or gasoline-powered models, the engine may
unespectedly turn on and cause a severe injury.
Charge the batteries! (See character "Charging the Ni-CD batteries" for details) Always
recharge the transmitter and receiver batteries for at least 8 hours before each flying
session. A low battery will soon die, causing loss of control and a crash. When you begin
your flying session, reset your CX-CT9A super's built-in timer, and during the session pay
attention to the duration of usage.
Stop flying long before your batteries become low on charge. Do not rely on your radio's
low battery warning systems, intended only as a precaution, to tell you when to recharge.
Always check your transmitter and receiver batteries prior to each flight.
To prevent possible damage to your radio gear, turn the power switches on and off in the
proper sequence:
Always pay particular attention to the flying field's rules, as well as the presence and
location of spectators, the wind direction, and any obstacles on the field. Be very careful
flying in areas near power lines, tall buildings, or communication facilities as there maybe
radio interference in theitvicinity.
Before flying, be sure that the frequency you intend to fly with is not in use, and secure any
frequency control device (pin, tag, etc.) for that frequency before turning on your
transmitter, it is never possible to fly two or more models on the same frequency at the
same time. Even though there are different types of modulation (AM, FM, PCM) only one
model may be flown on a single frequency at any one time.

04
CX-CT9A
2.4GHz 9 channel Radio System
While you are getting ready to fly, if you place your transmitter on the ground, be sure that
the wind won't tip it over. If it is knocked over, the throttle stick may be accidentally moved,
causing the engine to speed up. Also, damage to your transmitter may occur.
Don't fly in the rain! Water or moisture may enter the transmitter through the antenna or
stick openings and cause erratic operation or loss control. If you must fly in wet weather
during a contest, be sure to cover your transmitter with a plastic bag or waterproof barrier.
Never fly if lightning is expected.
Before taxiing, be sure to extend the transmitter antenna to its full length.
A collapsed antenna will reduce your flying range and cause a loss of control. It is a good idea to
avoid pointing the transmitter antenna directly at the model, since the signal is weakest in that
direction.

05
CX-CT9A
2.4GHz 9 channel Radio System
Antenna
HOV PIT
THRO CUT
RUDD D/R
ELE D/R
PIT TRIM
Programmable Stick
Programmable Trim
UP
+
-
Down
HOV THR
TRN
GEAR
AILE D/R
F. MOD
AIL / THR Stick
Programmable Trim
Power Switch
Menu
Exit
LCD
MENU: The function of the main menu for button
EXIT: Withdraw from the button
UP: The menu is chosen upwards
DOWN: The menu is chosen downwards
+: Increase the value of the parameter
- : Reduce the value of the parameter
NOTE:
Press for short and long
1. Press long: Lasting button is more than 2 seconds
2. Press short: The lasting button does not exceed one second
4. Transmitter Controls

06
CX-CT9A
2.4GHz 9 channel Radio System
Carrying handle
RF module
Trainer function / DSC function connector
Battery cover
To remove, press the tabs together
and gently pull rearwards. To install,
line up the connector pins with the
socket in the rear of the module and
gently snap into position.
NOTE: If you need to remove or replace the transmitter battery, do not pull on its wires to remove
it. Instead, gently pull on the connector's plastic housing where it plugs into the transmitter.
Stick lever tension adjustment:
You may change the length of the control sticks to make your transmitter more comfortable to hold
and operate. To lengthen or shorten your transmitter's sticks, first unlock the stick tip by holding
locking screw B and urning stick tip A counterclockwise. Next, move the locking screw B up or
down (to lengthen or shorten). When the length feels comfortable, lock the position by turning
locking screw B counterclockwise.

07
CX-CT9A
2.4GHz 9 channel Radio System
You may adjust the tension of your sticks to provide the feel that you prefer for flying. To adjust your
springs, you'll have to remove the rear case of the transmitter. First, using a ascrewdriver, remove
the six screws that hold the transmitter's rear cover in position, and put them in a safe place. Gently
ease off the transmitter's rear cover. Now you'll see the view shown in the figure below.
Using a small phillips screwdriver, rotate the adjusting screw for each stick for the desired spring
tension. The tension increases when the adjusting screw in turned clockwise.
When you are satisfied with the spring tensions, reattach the transmitter's rear cover. Check that the
upper PCB is on its locating pins, reinstall the rear cover and tighten the six screws.
Follow these guidelines to properly mount the servos, receiver and battery
Make certain the alignment tab on the battery, switch and servo connectors are oriented correctly
and "key" into the corresponding notch in the receiver or connectors before plugging them in.
When unplugging connectors, never pull on the wires. Always pull on the plastic connector
instead.
If any servo wires are not long enough to reach the receiver, servo extension wires (available sepa-
rately ) may be used.
Always mount the servos with the supplied rubber grommets. Do not over tighten the screws. No
part of the servo casting should contact the mounting rails, servo tray or any other parl of the
airplane structure. Otherwise, vibration will be transmitted to the servo causing premature wear
and / or servo failure.
5. Radio Installation

08
CX-CT9A
2.4GHz 9 channel Radio System
Note the small numbers (1, 2, 3, 4) molded into each
arm on the Futaba 4-arm servo arms. The numbers
indicate how many degrees each arm is "off" from
90 degrees to correct for minute manufacturing
deviations from servo to servo.
To center the servos, connect them to the receiver
and turn on the transmitter and receiver, center the
trims on the transmitter, then find the arm that will
be perpendicular to the pushrod when placed on
the servo.
After the servos are installed, operate each servo over its full travel and check that the pushrods and
servo arms do not bind or contact each other. Also make sure the controls do not require excess
force to operate. If there is an objectionable buzzing sound coming from a servo, there is probably
too much resistance in the control. Find and correct the problem. Even if there is no servo damage
excess battery drain will result.
Use the mounting plate from the receiver on/off switch as a template for the cutout and screw
holes. Mount the switch on the side of the fuselage opposite the engine exhaust, and where it
won't be inadvertently turned on of off during handling or storage. Be certain the switch moves
without restriction and "snaps" from ON to OFF, and that the cutout allows full motion of the switch
in both directions.
IMPORTANT: NEVER cut the receiver antenna or mount it in the model folded back on itself. Doing
so will change its electrical length, possibly reducing the distance from the model can be controlled
("range").
The receiver antenna may be mounted inside or outside the model.

09
CX-CT9A
2.4GHz 9 channel Radio System
5.1. Receiver and Servo Connections

10
CX-CT9A
2.4GHz 9 channel Radio System
Please note that different systems demostrate different range checks and the same system will
range check differently in different conditions. Also, the receiver antenna's installation affects the
range test, exiting the top of the model is ideal. This is a brief explanation of range test. For more
in-depth specifics on receiver antenna mounting, additional checks if unsatisfactory rage is
demostrated, range checking with gasoline powered engines, etc.
- Leave the transmitter's antenna retracted and be sure both batteries are fully charged.
- Position the aircraft away from wires, other transmitters, etc.
Test One - engine / motor off, minimum of 100 ft. range:
- Have a friend view the model but not hold it, engine off. (People conduct signals, too!)
- Walk away from the model, working all controls constantly. Stop when the servos jitter
significantly (a jitter here and there is normal), control movement stops (PCM), or you lose control
altogether.
- Measure the distance. If greater than 100 ft., great! Proceed to Test 2. Less than 100 ft. of range
check means you need more information to determine if your system is safe to fly. Please contact
our technical support for additional tests to perform before flying your system.
- Repeat with friend holding the model. Note any differences.
Test Two - engine / motor on:
- Repeat the test with the model's engine running and with someone holding the model. If a
decrease of more than 10% is noted, research and resolve the cause of interference prior to fly your
model.
5.3. Range Testing Your R/C System

6. Multi LCD and Programming Controls
6.1 Display
6.2 Main Menu
11
CX-CT9A
2.4GHz 9 channel Radio System
Throttle / Elevator
trim display
Model number
and name
Rudder trim
display
Aileron trim
display
System setting Function setting
Model type
Throttle / Elevator
trim display
Modulation indicator
(PPM & PCM)
Battery Voltage Timers
Battery voltage: Battery voltage display (If after the voltage of the battery is lower than 8.5V, Buzzer sends the
suggestion sound through 5S once)
Modulation indicator: pulse position modulation & pulse code modulation select
Model number and name: User's parameter serial number showing (8 groups can choose at most)
Rudder trim display: Rudder trim
Aileron trim display: Aileron trim
Elevator / Throttle trim display: Elevator / Throttle trim
Throttle / Elevator trim display: Throttle / Elevator trim
Timers: Competition count-down (99 minutes and 59 seconds for a long time most)
Model type: Airplane / Helicopter / Glider selection
Under the state of the initial picture, press MENU key for long, access the main menu.
System setting: Establish the initializing of the system
Function setting: The function parameter of the mode type is established
Press the UP or DOWN key to select the MENU screen
Press the MENU key into next menu
Press the EXIT key to return last menu
NOTE: The menu acts once and BUZZER sends a sound. If the parameter transfers after the maximum in the menu,
continuing pressing the button, BUZZER will not be pronounced.

7. System Setting
7.1 Model Selection
12
CX-CT9A
2.4GHz 9 channel Radio System

7.2 Name Edit
13
CX-CT9A
2.4GHz 9 channel Radio System
7.3 Type Selection

Heli Type Selection
14
CX-CT9A
2.4GHz 9 channel Radio System

7.4 Modulation Selection
15
CX-CT9A
2.4GHz 9 channel Radio System
7.5 Stick Mode Selection

7.6 Copy
16
CX-CT9A
2.4GHz 9 channel Radio System
7.7 LCD Adjust

8. Function Setting (Helicopter)
8.1 REVERSE
Page 1
Page 2
17
CX-CT9A
2.4GHz 9 channel Radio System

18
CX-CT9A
2.4GHz 9 channel Radio System
8.2 THRO CURVE
8.3 PITCH CURVE

19
CX-CT9A
2.4GHz 9 channel Radio System
8.4 SUB TRIM
8.5 END POINT