Hobbico TTX850 TTX850 8-Channel 2.4GHz Transmitter User Manual TACJ2850 TTX850 FCC Manual indd

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Date Submitted	2014-04-23 00:00:00
Date Available	2014-04-24 00:00:00
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Document Title	TACJ2850 TTX850 FCC Manual.indd
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TTX850
TM
2.4GHz 8-CHANNEL
COMPUTER RADIO
INSTRUCTION MANUAL
Tactic’s TTX850 computer transmitter uses
the advanced 2.4GHz spread spectrum SLT
“Secure Link Technology” protocol for solid,
interference-free control of R/C models. A
large backlit LCD, wired and wireless trainer
systems, 30 model memories, plus advanced
programming options are just a few of the
benefits which can be used for models of all
sizes. Tactic 2.4GHz transmitters are compatible only with Tactic brand receivers and
those utilizing the SLT protocol.
™
For safe operation and
best results, it’s strongly
recommended to read
this manual in its entirety before
use! Also read and understand the
instructions included with the model.
Damage resulting from misuse or
modification will void your warranty.
TABLE OF CONTENTS
SLT TECHNOLOGY, Tx-R, AND
COMPATIBLE RECEIVERS . . . . . . . . . . . . . 3
RECEIVER INSTALLATION . . . . . . . . . . . . . . . . 3
TTX850 POWER SYSTEM . . . . . . . . . . . . . . . . . 4
Input Power . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Charge Jack and Charging
Rechargeable Batteries . . . . . . . . . . . . . . 4
Power LED . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
FLIGHT CONTROLS . . . . . . . . . . . . . . . . . . . . . . 4
Gimbal Sticks. . . . . . . . . . . . . . . . . . . . . . . . . 5
Stick Tension and Throttle Rachet. . . . . . . . . 5
Case Separation and Assembly . . . . . . . . . . 5
Digital Stick Trims . . . . . . . . . . . . . . . . . . . . . 5
Toggle Switches. . . . . . . . . . . . . . . . . . . . . . . 5
HOME SCREEN. . . . . . . . . . . . . . . . . . . . . . . . . . 6
LCD, PROGRAMMING CONTROLS,
MENU NAVIGATION . . . . . . . . . . . . . . . . . . . 6
MENUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
SYSTEM SETUP . . . . . . . . . . . . . . . . . . . . . . . . . 7
User Name. . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Stick Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Contrast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Speaker Volume. . . . . . . . . . . . . . . . . . . . . . . 7
Battery Alarm . . . . . . . . . . . . . . . . . . . . . . . . . 8
Vibration Power . . . . . . . . . . . . . . . . . . . . . . . 8
Back Light . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
MODEL SETUP MENU – AIRPLANES. . . . . . . . 8
Model Select . . . . . . . . . . . . . . . . . . . . . . . . . 8
Model Management . . . . . . . . . . . . . . . . . . . . 8
Wing Type . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Channel Assignments . . . . . . . . . . . . . . . . . 10
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Trainer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Trim Step Setting . . . . . . . . . . . . . . . . . . . . . 10
SETTINGS MENU – AIRPLANES . . . . . . . . . . 11
Servo Set . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Dual-Rates, Exponential . . . . . . . . . . . . . . . 11
Ch5-Ch8 Set . . . . . . . . . . . . . . . . . . . . . . . . 12
Throttle Curve . . . . . . . . . . . . . . . . . . . . . . . 12
Throttle Cut . . . . . . . . . . . . . . . . . . . . . . . . . 13
Advanced Gyro Gain . . . . . . . . . . . . . . . . . . 14
Aileron Mixer . . . . . . . . . . . . . . . . . . . . . . . . 14
Rudder Mixer . . . . . . . . . . . . . . . . . . . . . . . . 14
Aileron Differential . . . . . . . . . . . . . . . . . . . . 14
Flap Mixer . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Air Brake Set . . . . . . . . . . . . . . . . . . . . . . . . 15
Flight Condition . . . . . . . . . . . . . . . . . . . . . . 15
Programmable Mixer . . . . . . . . . . . . . . . . . . 15
Rf Output . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Digital Switch Assignments . . . . . . . . . . . . . 16
MODEL SETUP MENU – HELICOPTERS . . . . 17
Swashplate Type . . . . . . . . . . . . . . . . . . . . . 17
SETTINGS MENU – HELICOPTERS . . . . . . . . 17
Throttle Curve . . . . . . . . . . . . . . . . . . . . . . . 17
Throttle Hold . . . . . . . . . . . . . . . . . . . . . . . . 18
Pitch Curve . . . . . . . . . . . . . . . . . . . . . . . . . 18
Pitch Curve Hold . . . . . . . . . . . . . . . . . . . . . 18
Swashplate Ring . . . . . . . . . . . . . . . . . . . . . 18
Throttle Mixing . . . . . . . . . . . . . . . . . . . . . . . 18
Swash Mixing. . . . . . . . . . . . . . . . . . . . . . . . 18
Cyclic Mixer . . . . . . . . . . . . . . . . . . . . . . . . . 19
Rudder Mixing . . . . . . . . . . . . . . . . . . . . . . . 19
Flight Condition . . . . . . . . . . . . . . . . . . . . . . 19
MODEL SETUP – QUADCOPTERS . . . . . . . . . 19
SETTINGS MENU – QUADCOPTERS . . . . . . . 19
LINK THE RX TO THE TX. . . . . . . . . . . . . . . . . 19
FAILSAFE FUNCTION . . . . . . . . . . . . . . . . . . . 19
WIRELESS TRAINER . . . . . . . . . . . . . . . . . . . . 20
WIRED TRAINER . . . . . . . . . . . . . . . . . . . . . . . 22
RANGE TEST . . . . . . . . . . . . . . . . . . . . . . . . . . 22
FIRMWARE UPDATES . . . . . . . . . . . . . . . . . . . 22
WARNING INDICATIONS . . . . . . . . . . . . . . . . . 23
SYSTEM CHECK AND OPERATION . . . . . . . . 23
FLYING THE AIRCRAFT. . . . . . . . . . . . . . . . . . 24
IMPORTANT WARNINGS
AND PRECAUTIONS . . . . . . . . . . . . . . . . . 24
TTX850 SPECIFICATIONS . . . . . . . . . . . . . . . . 25
TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . 25
SAFETY GUIDE. . . . . . . . . . . . . . . . . . . . . . . . . 26
ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . 26
FCC STATEMENT . . . . . . . . . . . . . . . . . . . . . . . 27
CE COMPLIANCE INFORMATION
FOR THE EUROPEAN UNION . . . . . . . . . . 27
1-YEAR LIMITED WARRANTY. . . . . . . . . . . . . 28
Carrying
Handle
LED Power
Indicator
Toggle
Switches
Neck
Strap
Eyelet
Trim
Levers
Side
Lever
Power
Switch
Charge
Jack
Accessory
Port
LCD
Trainer
Jack
Pushbuttons
Battery
Connector
Socket
Firmware Upgrade Jack
SLT TECHNOLOGY, Tx-R, AND COMPATIBLE RECEIVERS
SLT technology ensures that transmitters emit a strong, clear, frequency-hopping
2.4GHz signal, and that your compatible receiver accepts no signal except yours.
Binding Tactic brand receivers is as simple as pushing a button, which creates a
locked-in, interference free link. The TTX850 is also compatible with non-Tactic
brand receivers which use the *SLT protocol, for the ultimate in convenience and flexibility.
™
* Make sure optional receivers have the genuine SLT protocol before use with the TTX850.
TM
The TTX850 is also compatible with all transmitter-ready aircraft bearing the
“Tx-R” logo. Such aircraft include receivers having the SLT protocol.
RECEIVER INSTALLATION
Always mount the optional receiver, servos, switch harness, battery, electronic speed control, etc. as explained
in the manual included with such equipment and/or the model. Keep the Rx and its antenna(s) as far away
from the engine/motor, servos, and ESC and other electronic items as possible. It may also be a good idea
to mount the Rx inside certain models using Velcro ®, and wrap it in foam rubber to prevent damage from
strong vibrations or crash damage (except in extremely warm environments). It’s best to have as few items
surrounding the receiver’s antenna tips as possible inside the model, to allow for the most obstruction-free
signal path to the transmitter. Exposing the receiver’s antenna tip outside the model is recommended if
possible. For receivers with two antennas, position the antennas at 90 degree angles with the tips resting
at least 5 inches apart. If possible, allow one antenna to point vertically above the receiver itself.
TTX850 POWER SYSTEM
INPUT POWER
Four 1.2V “AA” NiMH cells are included. NiCd or 1.5V alkaline batteries can also be used. Do not mix cell
types, or old and new cells, etc. Slide open the battery door to find the battery holder. Insert all cells with
the proper polarity as shown inside the battery holder. Carefully tuck the wires and battery holder inside
the battery compartment so not to damage them when closing the battery door.
Battery voltage is shown on the LCD’s home screen for easy monitoring. A “LOW BATTERY” warning will
show when battery power drops to the voltage value shown in the BATTERY ALARM screen as described
on page 8.
WARNING! Never operate an R/C model with weak Tx batteries! Reduced operational
range and/or possible loss of control of the aircraft could result. Replace weak alkaline
batteries, or re-charge NiCd or NiMH batteries, before attempting a flight!
A “Tx Battery” timer in the TIMER menu described on page 16 can track the total amount of time the
transmitter has been operational.
See the ACCESSORIES section on page 26 for optional batteries and chargers available at local hobby
retailers.
CHARGE JACK AND CHARGING RECHARGEABLE BATTERIES
The charge jack should only be used for rechargeable batteries. Do not try to
recharge alkaline batteries. Charge adapters for Futaba® brand transmitters are
compatible, with the center pin being positive polarity. The Tx power switch must
TTX850 Charge Jack
be in the OFF position to recharge batteries. Do not charge batteries at greater
than 1 amp. Cycling of the Tx batteries can be accomplished through this jack.
Misuse, improper charging, or over-charging of rechargeable cells can result in damage to the cells that
could include cell rupture, explosion, or fire!!
WARNING! Do not accidentally short circuit the terminals inside the charge jack, as
this can cause permanent damage to the radio’s charge circuitry and battery and void
the warranty.
POWER LED
The blue LED illuminates when the power switch is turned on and ample voltage is supplied by the battery.
This LED will flash if battery voltage drops to the voltage set in the BATTERY ALARM setting described
on page 8.
FLIGHT CONTROLS
All channels are fully proportional, depending if controlled by a switch or mixed to another proportional
channel. Channels 5-8 can be controlled by a non-proportional switch or proportional side lever. However,
if a proportional channel (1-4) is mixed to channel 5-8 these channels can provide proportional control.
Aircraft control is accomplished through various devices by the pilot (sticks, switches, etc.), and other control
inputs can be manipulated electronically by the Tx to alter the control signals before they are delivered to the
receiver (mixes, exponential, etc.). Some electronic functions can be turned on/off by the pilot during flight
such as a timer. Other functions can only be altered while the model is on the ground, such as changing
travel limits or reversing for a particular channel.
GIMBAL STICKS
Ball-bearing construction allows both sticks to provide the ultimate in smooth, precise control. Stick length
can be adjusted for optimum feel and control. Each stick consists of a base and a tip. To adjust, hold the base
tightly, then loosen the tip by turning it counter-clockwise. Adjust the stick tip to the desired length. Tighten
the stick by holding the tip in place and turning the base counter-clockwise until it’s tight against the tip.
STICK TENSION AND THROTTLE RACHET
Each control stick can be adjusted for softer or stiffer movement tension. A ratchet is also included for the
throttle stick which can be adjusted for feel depending on personal preference. Adjustment of either feature
requires removal of the rear of the Tx case as explained in the CASE SEPARATION AND ASSEMBLY
section below.
CASE SEPARATION AND ASSEMBLY
WARNING! Failure to follow these instructions for separating and re-assembling the Tx
case can result in permanent damage to the transmitter and void the warranty. Contact
Hobby Services if you do not feel comfortable that you can safely and accurately perform
these steps.
ALWAYS disconnect and remove the batteries from the battery compartment FIRST. Failure to
do so can result in permanent damage to the Tx.
Remove the six screws from the back of the Tx case. Carefully pull the case rear away from the case
front and note exactly how all wires are routed inside the case.
After adjustments are made as described in other sections of this manual, close the case by first carefully
tucking all cables back inside as when the case was opened. Align the case rear back onto the case front,
making sure that no wires are pinched between the case parts. Press the case halves together. Insert
the screws back into their positions and carefully tighten them until snug - making sure not to cross the
threads or over-tighten the screws. Re-connect the battery holder’s connector to the socket inside the
Tx. Insert the battery into the compartment, and carefully tuck the wires inside the cavity so they do not
become pinched when the door is closed. Close the battery door.
STICK TENSION: Silver screws on the back of each gimbal are used to adjust the stick tension. Turn the
screw clockwise to make stick tension more firm. Turn the screw counter-clockwise to make stick tension
more light.
THROTTLE RATCHET: A silver ratchet bar is mounted across the throttle gimbal. For airplane use, a
more firm ratchet feel might be desired for the throttle. In this case, turn the adjustment screw clockwise.
For helicopter use, less of a ratchet feel might be desired. Turn this adjustment screw counter-clockwise
to achieve the desired feel.
DIGITAL STICK TRIMS
The trim controls for the four main channels are digital. Holding the trim lever will cause the servo output
to move repeatedly. Trim positions are visible on the LCD’s home screen, and stored into that respective
memory. Changing the model memory will also cause trim settings to change accordingly.
For aircraft with glow engines, the precise position of the trim lever is helpful when determining the engine’s
preferred idle point. When the throttle stick is above 50% full throttle it will not be possible to trim the throttle
servo – even though the indicator on the LCD will move.
The amount of servo movement for each increment of a digital trim can be adjusted as desired, as explained
in the TRIM STEP SETTING section on page 10.
TOGGLE SWITCHES
Each switch can be assigned to control one of a variety of functions as desired and described throughout
this manual. The identification of each switch by letter is marked on the Tx. The factory default switch
assignments are as follows:
Switch
Type
Default Function
Airplane
3-position
3-position
3-position
3-position
Ch2 Elevator Dual-rate
Flaps
(No Setting)
Aileron Dual-rate
3-position
2-position Momentary
3-position
2-position
Sweep Lever
Sweep Lever
Rudder Dual-rate
Trainer
(No Setting)
(No Setting)
(No Setting)
(No Setting)
Default Function
Helicopters
Timer Control
Gyro Gain
(No Setting)
Aileron, Elevator, & Rudder
Dual-rates (All)
Normal / Idle-up
Throttle Cut
(No Setting)
Throttle Hold
(No Setting)
(No Setting)
HOME SCREEN
The factory default screen and menus will be for airplanes. See the next section for navigating and changing
menus for model type and other functions.
LCD, PROGRAMMING CONTROLS, MENU NAVIGATION
LCD contrast and backlight intensity are adjustable for optimum viewing. Six pushbuttons navigate
the menus and settings. Single button pushes will result in a single incremental adjustment on-screen.
Holding a button for a short time will result in slow scrolling of adjustments; continued holding will result
in fast adjustments.
LEFT SIDE BUTTONS
Press any time to see the servo position screen. Indicators for certain channels will change
depending on model type, wing type, etc. Moving any Tx control will graphically be shown
on this screen. When setting / adjusting mixes to determine if the mix is as desired, set the mix and then
view this screen. Move all controls to determine if the mix moves each respective channel as needed.
Quickly resets certain values and settings back to factory defaults. Press to backspace in
the model and user name screens.
Jumps back to the previous screen, and removes certain pop-up messages from the screen.
RIGHT SIDE BUTTONS
Adjustment of values on-screen.
Moves the cursor up, and for increasing highlighted values/settings.
Moves the cursor down, and for decreasing highlighted values/settings.
To select or de-select a setting, or enter a screen. Press briefly to access the SETTINGS
menu. Press and hold to access the MODEL SETUP menu.
MENUS
The TTX850 has three types of menus.
The SYSTEM SETUP menu allows for setting basic operational functions for the radio itself.
Selecting and managing the model memories, configuring the radio for the structure of the airplane,
helicopter, or quadcopters is done in the MODEL SETUP menu. Most functions apply for all model types.
Select functions are available for certain model types only.
Setting various radio functions to control the model is done in the SETTINGS menu. Some settings apply
for all model types, while certain functions are available for certain model types only.
SYSTEM SETUP
Fundamental settings for the transmitter itself are located in this menu. With the power switch in the OFF
position, press and hold ENTER, turn the power switch ON and wait for the SYSTEM SETUP screen to
show. Move the cursor and press ENTER to select any setting. Press
and
to change settings. Press
ENTER to confirm the setting.
USER NAME
Enter your name to identify the radio. The cursor will be under the first character. Press ENTER to highlight
this character. Press
and
to find the desired character, then ENTER to confirm. The cursor will
automatically move to the next cursor. Repeat as necessary for up to 11 characters. Pressing CLEAR will
move the cursor back one space and erase the character in that space. Press ESC when finished.
STICK MODE
The TTX850 is factory set to Mode 2 configuration,
but can be changed to Mode 1, 3, or 4 as explained
below. To change modes in the programming, move
the cursor to the STICK MODE line, highlight and
press ENTER, then press
or
to find the
desired mode. Press ENTER to confirm.
Mode
Left Stick
Right Stick
aileron/rudder
throttle/rudder
aileron/elevator
throttle/aileron
throttle/elevator
aileron/elevator
throttle/rudder
elevator/rudder
In addition to programming changes, stick mode changes require relocation of gimbal stick parts to achieve
the proper control. Go to www.tacticrc.com and click on the TTX850 link to find directions for how to change
gimbal settings.
CONTRAST
Adjust the LCD’s contrast level for optimum viewing.
SPEAKER VOLUME
Adjust the loudness of the radio’s beeper as desired. This volume setting affects all tones that are emitted
from the radio including trim adjustments, alarms, programming changes, etc. Speaker volume for all alarms
is not adjustable.
BATTERY ALARM
An alarm will sound and the display will show a warning when the Tx battery’s voltage drops to the level
shown in this setting. Do NOT set this value too low, as the radio could lose power very rapidly as the
battery nears full discharge and cause a loss of control of the model. Land the model immediately once
this alarm has sounded!
VIBRATION POWER
Adjust the intensity of the vibration from the internal vibration motor system.
BACK LIGHT
Adjust the intensity of the LCD’s red backlight.
Once all functions in this menu are set, press ESC to return to the home screen.
MODEL SETUP MENU – AIRPLANES
From the home screen, press and hold ENTER for 2 seconds to find the MODEL SETUP menu for setting
of fundamental operating parameters as explained here.
MODEL SELECT
Memories are available to store parameters for up to 30 different models. With this selection highlighted
press ENTER. Press
or
to move the cursor up/down the screen to find the desired memory to make
active, and press ENTER twice to confirm the selection and automatically return to the home screen. Or
press ESC to return to the home screen.
Changing the model memory is not possible if the Tx battery voltage is too low. See the INPUT POWER
section on page 4. It’s a good idea to keep a record of all settings in each memory as a backup in case
parameters in a particular memory are accidentally changed, etc.
MODEL MANAGEMENT
Shows basic information regarding the model setup in the “Model” memory number at top-left. Move the
cursor up or down to select / change the function to adjust, and press ENTER to adjust the function.
Name: With the cursor on this line press ENTER. The method for setting the model name is the
same as for entering the USER NAME as described on page 7. The maximum number of characters
is eleven. Press ESC when finished.
Model Type: Press
to place the cursor on this line, and ENTER to highlight the selection. Press
or
to select the model type as airplane, helicopter, or quadcopter. Press ENTER to confirm.
Model Copy: To copy all parameters from one model memory to another, place the cursor at this
line and press ENTER. The “COPY FROM” page will show. Highlight the memory to copy FROM and
press ENTER. Now the “COPY TO” page will show.
Place the cursor over the memory number to copy TO, and press ENTER. The “COPY CONFIRM” screen
will show. To abandon the copy function as shown on-screen, highlight “NO” and press ENTER to return
to the “COPY TO” screen. Press ESC to return to the “MODEL MANAGEMENT” screen.
Otherwise, press
to highlight “YES” and press ENTER. All settings that previously existed in the receiving
memory will be permanently erased. The display will return to the COPY TO screen. Return to the “MODEL
SELECT” screen to confirm the copy function was successful by looking at the memory that was copied “to”.
Model Reset: Use this function to clear all parameters of any single memory except model type back
to factory defaults. Enter this screen, move the cursor over the memory to reset and press ENTER.
Select “NO” to cancel or “YES” to proceed with the reset, and press ENTER. The display will then
return to the “MODEL RESET” screen.
Model Transfer: To transfer all parameters of one memory in this transmitter to another Tactic
TTX850 transmitter, move the cursor to this line and press ENTER. Press
or
to determine if
the data transfer should be done by wireless means or through a cable (through the USB data port
inside the battery compartment).
WING TYPE
This is for setting the type of tail and wing configuration for the model. Depending on the mixes used and
setup of the aircraft, it might be necessary to change the aileron, elevator, or rudder reversing settings to
achieve the proper throw directions for the model.
TAIL SETTINGS
“Normal” is the factory default setting for the “TAIL” type. Move the cursor over “Normal”, press ENTER
then
or
to select from V-Tail, Delta (elevon), and 2 Elevator options. Press ENTER to confirm the
selection. The charts below can aid in determining the preferred tail and flap setting for the model.
Normal: One servo each is used for aileron(s), elevator(s), and rudder.
V-tail: Elevator and rudder channels are mixed. Two servos are used in the tail – one for each control
surface, with connections as shown in the graphic below. V-tail mixing controls the airplane’s “pitch”
and “yaw” axis at the same time. If the elevator and rudder functions appear reversed at the control
surfaces, it may be necessary to swap the channel 2 and channel 4 servo plug positions in the Rx. The
travel limits for each servo can be adjusted independently.
Delta wing (elevon): Elevator and aileron channels are mixed, useful for aircraft such as flying
wings and other models not having a tail. Elevon mixing controls the airplane’s “pitch” and “roll” axis at
the same time. One servo is used for each control surface. Travel limits for each servo can be adjusted
separately. If the elevator and aileron functions appear reversed at the control surfaces, it may be
necessary to swap the channel 1 and channel 2 servo plug positions at the Rx for the delta wing mix.
If the delta wing option is selected, and the “FLAP” option below is set to 2AI1FL, the elevator channel
will mix 100% to the aileron channel.
2-Elevators: Elevator channel 2 and channel 6 are mixed for aircraft which have two separate
servos moving separate elevator surfaces. Both elevators move independently, and are independently
adjustable for travel limits, etc.
FLAP SETTINGS
The “FLAP” setting allows for configuration of the ailerons and/or flaps of the airplane. Move the cursor over
“1AI” to select from the following options:
1AI: Use this “1 aileron” setting for normal wing types having one aileron on each wing, where one
servo controls the movements of both servos simultaneously.
1AI1FL: This “1 aileron + 1 flap” setting is for wings having one servo that controls the ailerons on
both wings, and another servo (or 2 servos on a Y-harness) that controls the flaps on both wings (both
servos moving in the same direction). Connect the aileron servo to Rx channel 1, and the flap servo
to channel 5 (not available for delta).
2AI: This “2 ailerons” setting is for airplanes having one aileron servo for each wing. Connect one
aileron servo to Rx channel 1, and the other to channel 6. This setting allows each aileron servo to
function independently of the other.
2AI1FL: This “2 ailerons + 1 flap” setting is for airplanes having two separate aileron servos, requiring
one servo to control each aileron, and also one servo (or 2 servos on a Y-harness) that will control flaps
for both wings simultaneously (not available for 2-elevator tail settings).
CHANNEL ASSIGNMENTS
This function allows transmitter channels to be re-assigned to different outputs before being sent to the
receiver. This can be useful for models having unusual configurations.
Some small electric flight models use only elevator, throttle, and rudder channels (not aileron). Here, it’s
often preferred that the rudder be controlled with the opposite stick (right stick for Mode 2 configurations).
Such channel re-assignment can be done in this screen.
Determine which Tx channel input on the left should control which output channel at the receiver as shown
on the right. Move the cursor to the desired output on the left. Press ENTER then
or
to adjust the
output channel as desired. Press ENTER when finished.
WARNINGS
Warnings can be set to alert you of undesireable switch or throttle positions when the radio power switch
is first turned on. For example, if the throttle is at full when the radio is turned on you would see and hear
an alarm. The alarms shown can be set to “ACT” (active) or “INH” (inhibit).
Thro Pos: The throttle position warning sounds when the throttle stick is over 25%. Clear the alarm
by moving the stick down. Note: if in heli mode and you have an idle-up programmed, this alarm will
also sound to indicate that you have an idle-up switch active.
Thro Cut: The warning will sound when the throttle cut function is set and this switch is turned on.
Turn off the switch to clear the alarm.
Thro Hold: The warning will sound when this switch is on. Turn off the switch to clear the alarm.
Flap: The warning will sound when the flap switch is in the on position but the throttle stick is too high.
TRAINER
The process of linking transmitters for wireless training purposes is explained on page 20. When in training
mode with the TTX850 being used by the teacher, this radio can allow the teacher to transfer control of all
or only certain channels to the student if desired.
Enter this screen. Press
or
to select a channel to set. Press ENTER to toggle the setting. Repeat
with other channels as desired. Setting a channel to SLAVE means the student will have control of that
channel when the teacher pulls the trainer switch on the master radio. Those channels which are set to
MASTER will be controlled by the teacher at all times.
The teacher can select which switch will control the training function at the CTRL line at bottom. The control
positions for the trainer switch can also be selected as described on page 12 (for the Control function).
Press ESC to confirm settings and return to the MODEL SETUP menu.
TRIM STEP SETTING
The number of degrees a servo will rotate with each increment of digital trim deflection can be adjusted
from very small up to large steps. Enter this screen, select the channel trim to adjust ranging from “1” for
the smallest steps to “8” for the largest steps.
10
SETTINGS MENU – AIRPLANES
This menu is for setting servo control functions for airplane use. Press ENTER briefly to access this menu.
SERVO SET
Enter this function to adjust any channel’s reversing, travel limits, or sub-trim settings. Press
select the desired function to adjust and press ENTER.
or
to
Reverse: Sets the rotational direction for a channel’s output relative to the movement of the control stick.
Move the cursor to the channel to adjust. Set to “NOR” normal or “REV” reverse. Adjust all reversing
settings before making any other settings or adjustments in the programming.
Travel limits: Sets the maximum travel limits for each channel. Limits can be set for each side of
center. If two channels are mixed, adjusting the travel limits of each individual channel may be necessary
to adjust the travel limits for the entire mix. Move the cursor to the channel to adjust. Deflect the control
stick for that channel to one side and notice the cursor on-screen will move accordingly. Set the percent
for that direction of travel as needed. Move the stick to the opposite direction and repeat. Repeat for
all channels as needed.
Sub-trim: Finely adjusts a channel’s center position. Be aware that extreme adjustments of sub-trim
could possibly result in servo binding if the servo’s output arm moves too far in the model. This is
available for all channels.
DUAL-RATES, EXPONENTIAL
For setting dual-rates and/or exponential travel for the aileron, elevator, and rudder channels. Dual-rates
allows a channel’s maximum travel limits to be switched between two limits. Exponential changes the rate
at which a servo rotates per degree of control stick deflection. The rate of servo movement is non-linear in
relation to the movement of the stick. The higher the exponential percentage, the more the servo will rotate
as the stick is moved away from center position.
To select the desired channel to adjust, press ENTER, then
or
. Press ENTER when finished.
To assign a different switch to change the dual-rate / exponential setting, move the cursor to the CTRL line
and press ENTER. Select the switch that will control this function as explained on page 12. Press ESC
when finished.
Different dual rate and exponential settings can be set for each position of the switch. Highlight the dualrate percentage and move the assigned switch to the position that will allow for the furthest servo travel.
Adjust this percentage to the widest travel distance as needed for this channel. Note that the slope of the
diagonal line in the graph changes as the percent is adjusted. Deflect the control switch to the opposite
position, and adjust the percentage to the lowest travel distance needed. The diagonal line on-screen will
now show the slope for the low dual-rate setting. A low rate can allow for better control of the model while
on the ground, at low altitudes, or while performing certain maneuvers. A high rate can allow for optimum
control of the aircraft in mid-flight.
To set an exponential value, move the cursor to the EXPO line and repeat the steps explained above to set
a different value for each position of the control switch. This function can be handy for optimum control of
the model - especially around center-stick position, and when performing stunts or aerobatic maneuvers.
Moving the control stick for the channel shown on-screen will change the position of the vertical line in the
graph. The point where the vertical line intersects the diagonal line is shown at the bottom-left on the screen.
The “x” (horizontal) coordinate is on the left, and “y” (vertical) coordinate is on the right.
Repeat the above steps for each the aileron, elevator, and rudder channels as desired.
11
CH5-CH8 SET
Enter this screen to set the functions of channels 5 through 8. At the INPUT line select the desired
channel to adjust. Then, follow the steps below.
Name: A name for the function of this channel can be set as desired. The method for setting this
name is the same as for setting the USER NAME as described on page 7.
Control: Choose which switch will control the selected channel. Switches are identified by letters
A through H, as printed on the transmitter next to each switch.
On-screen the switches will be identified as “SA” for switch A, “SH” for switch H, and so on. Deflect the
switch which will ultimately control this function.
The display will show a graphic representing the switch, and the different control positions of the switch
as shown here (0, 1, and 2 if applicable). The default position for “0” will always be in the up direction.
The control positions of the switch can be assigned to fit personal preference. To use the default settings,
simply press ESC to confirm. To change the control locations of the switch to be high “H”, medium “M”,
or low “L” position, press
or
to move the cursor to the position to be changed. Press ENTER to
highlight the function at this position. Then press
or
to change the control function. Repeat as
necessary for all switch positions. Press ESC when finished.
To remove the switch that has been set in the Control function, press ENTER to highlight the switch
selection and press CLEAR.
Other functions in this radio allow for assigning a switch to a specific function. Refer back to this section
as needed.
Offset: Move the cursor to this function. Press ENTER, then
the center position of the channel shown on this screen.
or
to find the percent to offset
Speed: When a control input for channels 5 through 8 is deflected, the speed at which the device
connected to that channel moves can be custom set. This can be useful for some accessory type
items for certain models. Move the cursor to this function. Press ENTER, then
or
to find the
desired speed (100% = life speed).
While the output channel is being operated normally, any movement of the input channel will be mixed
to - and also affect the movement of - the output channel.
THROTTLE CURVE
The throttle’s output is normally linear in relation to movement of the throttle stick. A non-linear relation
between the two - or curve - can allow for optimum power control in certain models or for specific types
of flying styles.
Make sure the model’s full throttle position can be achieved when the throttle stick is at maximum deflection.
The throttle trim must be able to minimize throttle control completely when the throttle is at minimum.
Enter this function. Up to twelve points can be placed on the throttle curve, as designated next to “Point”
on the graph. Points L (low) and H (high) are each limited to a fixed range on the curve. Points 1, 2, 3, and
4, etc. can be set if desired with respect to the position of the throttle stick.
As the throttle stick is advanced note the point where the vertical line (throttle position) intersects the diagonal
line (curve). The coordinates of this point are shown at the bottom. The “x” (horizontal) coordinate is on the
left, and the “y” (vertical) coordinate on the right.
12
To set points on the curve, start at the minimum throttle position which will be noted as point “L”. A point for
“L” is not marked on the graph, but is the left-most end of the curve line. The vertical position of this point
can be adjusted by moving the cursor to the RATE percentage, press ENTER then
or
as desired.
Press ENTER when finished.
To set point 1 on the graph, advance the throttle stick until * shows next to “Point”. Find the desired throttle
stick position and press ENTER. A + symbol will be placed on the curve to mark this point.
Pressing
or
will adjust the vertical position of curve at this exact point. Adjust as desired.
Repeat these steps to set additional points on the graph as desired. A point for “H” is not marked on the graph,
but is the right-most end of the curve line. The vertical position of this point can be adjusted by moving the
cursor to the RATE percentage, pressing ENTER, then
or
buttons. Press ENTER when finished.
To clear any point on the graph, place the cursor on the RATE percent, move the throttle stick until the
graph’s vertical line intersects the point, press ENTER and then CLEAR.
A switch can be assigned to toggle between the linear curve (for starting the engine, etc.) and the userdefined curve (for forward flight, stunts, etc.). Select the switch on the CTRL line.
The exponential control of the user-defined throttle curve (but not the linear curve) can be active or inhibited.
This will soften or make the transition of the throttle curve more smooth. Move the cursor next to the EXPO
line and toggle between “ACT” and “INH”. Press ENTER when finished.
THROTTLE CUT
Allows the throttle channel’s output to be quickly moved to a user-defined position by flipping a switch. This
is to reduce engine / motor power for safety reasons. Default setting is -100% (idle).
When setting up the model mechanically, make sure the carburetor is at full-open when the throttle stick
is at full position. Use the trim to adjust the engine idle position. Move the throttle stick to idle position and
turn the assigned throttle hold switch on and off repeatedly while changing the offset value until the servo
stops moving.
Select a switch to control the throttle cut function on the CTRL line. Press ESC.
The throttle cut function will only work when the throttle stick position is below the trig point. To set this point,
move the cursor next to TRIG but do not press ENTER. Move the throttle stick to the desired position that
will trigger the throttle channel to move to the cutoff position. The graph will move accordingly as will the
percent shown on the THRO line at bottom. Press ENTER. The arrow on the left will now move and mark
this selected trigger position.
Move the cursor to the CUT percentage, press ENTER and adjust this cutoff value by pressing
or
to the desired position for the throttle channel’s output to move to when the throttle cut function is activated.
This position will be marked by the arrow on the right. Press ENTER to confirm this mark.
When the throttle cut switch is in the ON position and the throttle stick is positioned above the trigger mark,
reducing the throttle stick to the trigger mark will automatically drop the throttle channel to the throttle cutoff
mark. The throttle channel will remain in this position. To regain full control of the throttle channel, move
the control switch to the OFF position.
NOTE: The method for setting the various following mixer screens is the same for each mixer. Refer to the
instructions for the DIFFERENTIAL mixer screen for adjustment of all other mixer screens. Any difference in
any one mixer screen will be noted accordingly. Normal wing mixing is the factory default setting. Depending
on the mixes used and setup of the aircraft, it might be necessary to change the setting of the aileron,
elevator, or rudder reversing settings to achieve the proper throw directions for the model.
13
ADVANCED GYRO GAIN
This screen is for setting gain sensitivities if using a stabilization gyro in the aircraft. Up to three sensitivity
adjustments can be set for a gyro’s X, Y, and Z axes (if applicable).
For each respective axis, move the cursor to the rate percentage at top and press ENTER. Adjust this value
to the desired gain sensitivity for this axis. Then move the cursor to the output channel “OUT.CH” selection
at bottom to set which channel that this sensitivity will control. A control switch can also be selected by
moving the cursor to the “CTRL” line at bottom and selecting a switch as explained earlier in the manual.
Once all gyro gain sensitivities are set press ESC to exit this screen.
AILERON MIXER
The aileron channel can be mixed to the rudder channel, which can be useful with certain wing/airplane types.
To make this AILE
RUDD mix active at all times do NOT assign a switch at the CTRL line. Adjust the
mixture percentage and press ENTER. On/off control of this mix can be assigned to a switch. Set the mix
rates as desired for each switch position. Press ESC when finished.
RUDDER MIXER
Mixing the rudder channel to the aileron and/or elevator channels can be very useful for trimming an airplane
to be neutral when using the rudder. Select the rudder channel to mix to the aileron or elevator channels
as needed. This mix can be active at all times by not selecting a switch on the CTRL line. Or, for on/off
control of this mix, select a control switch at the bottom of the screen.
AILERON DIFFERENTIAL
Only available when 2AI and 2AI1FL wing types are selected, to help offset unwanted yaw which can occur
when ailerons are moved. One servo must be connected to each aileron for this mix. Instead of equal linear
movement between both ailerons, a differential percentage can be assigned so that the deflection of one
aileron is at a lower or higher rate than the opposite aileron. Certain applications may require a reduction
in the aileron differential rate when an airbrake is applied. This feature is useful for glider and/or sailplane
applications which use other settings to achieve “butterfly” or “crow” functionality.
Enter the DIFFERENTIAL function. There are two ways to control the mix. One is to make the mix be active
at all times. Another is to control the mix with an otherwise unused switch.
Normal: To make AILE DIFFERENTIAL active at all times do NOT assign a switch at the CTRL line.
Press ENTER to highlight the differential rate percent and press
or
to find the desired value.
Press ENTER when finished.
Switch Control: To control the mix with a switch, move the cursor to the CTRL line and press
ENTER. Deflect the switch that will control the mix. The screen will show the functional assignments
for each position of the switch as described previously. Press ESC to confirm the switch selection.
The display will now show the different switch positions (SP.0, SP.1, SP.2). A different rate can be set
for each switch position.
Deflect the switch to one position, and note the cursor on-screen will move automatically to the rate for that
position. Adjust that rate as desired. Deflect the switch to the remaining positions and repeat. To remove
a switch which might have been assigned previously, highlight the switch selection in the CTRL line and
press CLEAR.
Press ESC once all mixing values are set to return to the FUNCTION menu screen.
14
FLAP MIXER
This function allows flaps to be set, adjusted, and mixed to the ailerons and/or elevator channels. Mixes
such as flaperons, air brake, and spoilers can be achieved in the FLAP MIXER. These settings or mixes
can be assigned and activated by a two or three position switch. Not available for 1AI or 2AI wing types.
Different setup options are available depending on the selected wing type, where the flaps can be mixed
to the aileron, elevator, or back to the flaps.
1AI1FL: Highlight the FLAP -> ELEV mix percent and adjust as desired. Press ENTER when finished.
Assigning a switch can allow on/off control of the mix. Set a mix percentage for each position of the
switch (SP.0, SP.1, SP.2).
2AI1FL: If this wing type was set, the flap channel can be mixed with the aileron, elevator, or back to
the flap. Set the mix percent for each channel to be mixed, for all switch positions that control the mix.
Do NOT assign a switch at the CTRL line to make the mix active at all times. Press ENTER when done.
AIR BRAKE SET
This function will allow you to define the air brake position and activate it with a switch.
When the 1AI1FL wing type is selected the brake can be mixed to elevator and/or flaps. Adjust each mix
percentage as needed. Select a switch to turn the mix on/off.
When the 2AI wing type is selected the brake can be mixed to elevator and/or aileron. Adjust each mix
percentage as needed. Select a switch to turn the mix on/off.
When the 2AI1FL wing type is selected the brake can be mixed with the elevator, aileron, or flaps. Adjust
each mix as needed. Select a switch to turn the mix on/off.
FLIGHT CONDITION
More than one flight “condition” can be set for control of the aileron, elevator, rudder, and spoiler controls.
Setting multiple conditions for these channels allows for custom control of the aircraft depending on flight
circumstances.
PROGRAMMABLE MIXER
Up to six programmable mixes can be set, with one channel being mixed to any one or more channels.
Control characteristics from the “input” channel will be passed to the “output” channel(s), such as travel
limits, exponential, etc. The output channel will still be able to function independently as if it were not mixed
with another channel, but once an adjustment is made to the input channel a resulting change will be seen
on the output channel as well. The mix level can be adjusted by percent. A switch can be assigned to turn
this mix on/off.
Enter the mixer screen. Move the cursor to select which mix to set and press ENTER.
The top line will show the mix number, with the cursor over the input channel, and the output channel to the
right. Press ENTER and
or
to highlight and set the input channel.
The rate of the input channel to mix with the output channel can be adjusted for each the right and left side
of the input channel’s center position. With the cursor next to RATE L, set the desired mix percentage.
Repeat for RATE R. Note the curve on the display’s graph will adjust according to the percentages entered.
The amount of the input channel to be mixed can be offset by setting a percentage next to “OFFSET”.
Assign a switch to control the mix in the CTRL line as explained earlier. Repeat the above procedures for
each of the four mixes that are to be configured.
15
RF OUTPUT
The Rf output signal can be turned on or off. If changing any programming parameters in the radio, it’s
recommended to turn the Rf off so not to unnecessarily clutter the flying space with radio signals. Leave
the Rf output signal ON anytime the model is being controlled.
Enter this screen to perform a range check on the radio system, as fully explained on page 22.
TIMERS
Two timers are shown on the home screen, which can be configured in this screen. The timers can be set
to count up or down, and can be controlled by a user assigned switch. The timers can also be controlled
by the throttle stick if desired.
ENTER this screen and press
or
to move the cursor to the timer feature to adjust for each timer
as desired. Once in the proper place, press ENTER to highlight the value. Press
or
to adjust the
time as needed.
To count UP as a stopwatch, leave the timer set to 00:00. To configure the timer to count DOWN, set a
time other than 00:00 with a maximum possible start time of 99:59. When used as a countdown timer, a
set of tones will sound at 00:10 and every second thereafter to warn that the timer is nearing the end. After
reaching 00:00, the timer will automatically begin counting up to help track how much longer the model
was operational after the timer ended.
A switch can be selected on the right side of the screen to turn each timer on / off. Place the box on-screen
over this setting and deflect the switch that will control the timer. In operation, the timer will be stopped
when the switch is in one position. Moving the switch to the opposite position will cause the timer to count.
To reset the timer, move the switch to the stop position and press the CLEAR button.
The timer can also be started and stopped by the throttle stick. Move the throttle stick to the minimum
throttle position. Place the box on-screen over this setting and press ENTER. When “Choose the control
switch” displays, move the throttle stick up from minimum throttle.
The “START/STOP” screen should show. Moving the stick up or down will show changes to the “THROTTLE”
position value. The “START/STOP” value shows the trip point where starting and stopping the timer will occur.
Move the stick to the position of the timer’s trip point and press ENTER. The position value for START/
STOP should now match that for THROTTLE.
Press ESC to return the timer setting screen. The throttle stick’s START/STOP position for the timer should
show below the timer settings.
For example, if a throttle stick START/STOP value of +45% is selected, anytime the throttle stick is below
this value the timer will be stopped. Anytime the throttle stick is above this value the timer will count. To
reset the counter, move the throttle stick below this value and press the CLEAR button.
The “Tx Battery” timer at the bottom of the TIMER setting screen accumulates the total amount of time
the radio has been operational. This time can only be reset by moving the cursor over “Tx Battery” and
pressing the CLEAR button.
DIGITAL SWITCH ASSIGNMENTS
16
Functions in this screen can support the use of miscellaneous accessories with the TTX850, and can
range from video, still camera, LEDs, etc. More than one accessory could be controlled simultaneously,
and manipulated by the pilot through just one channel on the TTX850. This function requires special SLT
receivers (see those instruction manuals for details).
MODEL SETUP MENU – HELICOPTERS
This menu is for setting control functions for use with helicopters. All functions in this menu are the same
as described in the MODEL SETUP MENU – AIRPLANES section, except that a swashplate type selection
function is included for helicopters. Press ENTER for 2 seconds to access this menu from the home screen.
All channels for helicopters are assigned as shown in the chart on page 6.
SWASHPLATE TYPE
Enter this screen to select the type of swash plate in the helicopter. Setting this properly allows for proper
mixing of all controls for the main rotor. Four options are available, with some offering cyclic and collective
pitch mixes (CCPM) for optimum simplicity and performance. It may be necessary to reverse the direction
of a control when using a CCPM mix to achieve the proper functionality.
1 Servo (90º): Tilting of the swash plate is accomplished with one servo for control of the elevator axis
and one servo for the aileron axis. Another servo directly controls collective pitch. Selecting this swash
type means that no swash plate mixers are required or used. This is typically used for flybarless systems.
2 Servos (180º): For CCPM with two servos (aileron and elevator) connected to the swash plate
180 degrees apart. Control of the pitch-axis happens as a result of a mechanical de-coupling rocker.
Through this pre-set mix, throttle (pitch) stick movement causes both servos to move the plate up and
down. Aileron stick movement causes both servos to tilt the plate side-to-side.
3 Servos (120º): For CCPM with three servos connected to the symmetrical swash plate at 120º
angles from each other. One pitch servo, one elevation servo, and one aileron servo are connected
to the swash plate.
3 Servos (135º): For CCPM with three servos connected to the swash plate. The connections are
similar to the 3 Servos (120º) setting but with slightly different geometry (two servos are connected at
135º angles forward from the rear of the swash plate).
SETTINGS MENU – HELICOPTERS
Functions for helicopters are available to support models with various fixed mixes, programmable mix
options, swash types. Press ENTER briefly to access this menu.
Setting of the SERVO SET, DUAL-RATES, EXPONENTIAL, THROTTLE CUT, ADVANCED GYRO GAIN,
RUDDER MIXER, PROGRAMMABLE MIXER, RF OUTPUT, TIMER, FLIGHT CONDITION, and DIGITAL
SWITCH ASSIGNMENTS functions is the same as described for airplanes in the previous sections. However,
if using a helicopter which has CCPM mixing, read the SWASH TYPE section on the previous page before
adjusting the reversing and travel limits settings.
THROTTLE CURVE
The throttle’s output is normally linear in relation to movement of the throttle stick. A non-linear relation
between the movement of the throttle stick and the throttle in the model can allow for optimum control of
power to the model (which is also linked to the control of the pitch of the main rotor blades). These nonlinear control curves can be customized for the particular model.
The idle-up function is used to optimize the throttle position for all flight envelopes including aerobatic flight.
By default the TTX850 assigns switch E as the idle-up control switch. This switch incorporates one “normal”
and two “up” functions within the three positions of the switch.
17
Position 1 = normal: Used for startup, take-off, landing, and typical flight profiles.
Position 2 = idle-up 1: Used for aerobatic flight
Position 3 = idle-up 2: Typically used as a secondary setup for aerobatic flight.
Make sure all mechanical linkages are connected exactly as specified in the helicopter’s instruction manual.
Make sure the model’s full throttle position can be achieved when the throttle stick is at maximum deflection.
The throttle trim must be able to minimize throttle control completely when the throttle limiter is at idle position.
Follow all other instructions for THROTTLE CURVE as explained on page 12.
THROTTLE HOLD
Throttle hold allows full use of collective pitch while setting the throttle at a user pre-determined position.
This function is often used for autorotation. The pilot can then release the hold and regain full control of
the throttle as needed.
With the cursor over “Position”, set a percent of full throttle that the throttle channel will deflect to automatically
when the control switch is moved to the ON position.
The CTRL line is for setting the ability to turn this function ON/OFF with a switch. Selecting “INH” inhibits
this function from operating. To select a switch to turn throttle hold on or off during flight, set the Control
field to ON. With the cursor next to CTRL, deflect the switch that will control throttle hold. In one position
the control will be ON. Moving the switch to the opposition will turn the control OFF.
PITCH CURVE
The method for setting the pitch curve is the same as for the throttle curve as explained above, by moving
the throttle stick and using the same controls within the pitch curve screen.
PITCH CURVE HOLD
The setting method is the same as for throttle and pitch curve.
SWASHPLATE RING
Depending on how certain mixes are set and mechanical linkages are connected to the swash plate, it’s
possible that the mechanical connections can accidentally be damaged or dislodged if they are forced to
try and move past their own limitations. By adjusting the maximum amount of travel the aileron and elevator
channels can move the controls away from center, this SWASHPLATE RING function can help prevent
damage from occuring to controls inside the model. At the default 150% setting the controls are not limited,
and effectively turns this function off.
or
to find the desired
Once inside this screen, press ENTER to highlight the “Rate” value. Press
maximum rate. The circle graphic represents the maximum movement rate. Moving the aileron and/or elevator
stick to their limits will cause the actual position of the these controls to show at the bottom of the screen.
THROTTLE MIXING
This mix is used for non-heading hold gyros or when a heading hold gyro is in normal mode. The helicopter’s
throttle channel can be mixed to the tail (rudder) channel. This mix can remain active at all times, or be
controlled by selecting a switch on the CTRL line. Move the cursor to select the rate to adjust, press ENTER
and then
or
to adjust the value. To reset any mix value or clear a switch selection, move the cursor
to the value, press ENTER, and then press CLEAR.
SWASH MIXING
18
This mix is not available when using the “1 Servo” swash setting. This function adjusts the mixture rate of
the pitch, aileron, and elevator channels for the swash plate. Move the cursor to the value to adjust, and
change as necessary.
CYCLIC MIXER
This function can automatically deflect the roll/pitch servos to negate unwanted loss of lift when throttle
level is adjusted. The aileron and/or elevator channels can be mixed to the throttle channel.
RUDDER MIXING
The aileron and/or elevator channels can be mixed to the rudder channel. Setting of the rudder mix uses
the same method as the throttle mix as explained above.
FLIGHT CONDITION
More than one flight “condition” can be set for control of the aileron, elevator, rudder, and spoiler controls.
Setting multiple conditions for these channels allows for custom control of the aircraft depending on
flight circumstances.
MODEL SETUP – QUADCOPTERS
Setup screens are available specifically for quadcopter models, being a combination of some menus
normally used for airplanes and others for helicopters. Once the model type setting as explained on page
8 has been set to “Quad”, and back on the MODEL SETUP page for quadcopters, refer to descriptions in
the airplane or helicopter sections of this manual for how to set the different screens.
SETTINGS MENU – QUADCOPTERS
Settings for controlling quads are also a combination of some functions normally used for airplanes and
others for helicopters. Once in the SETTINGS menu for quads, refer to the descriptions in the airplane or
helicopter sections of this manual for how to set the different settings.
LINK THE RECEIVER TO THE TRANSMITTER
Linking the TTX850 to the Tactic receiver ensures sole communication between the two, and prevents other
transmitters from being able to control the receiver.
1. Turn on the Tx. (Make sure RF Output is set to ON.)
2. Apply power to the Rx.
3. If the Rx LED flashes once and then stays on, the Rx is already linked to the Tx and you can skip to
the next section. Otherwise, insert a small diameter screwdriver through the hole marked “LINK” on
the Rx and press the pushbutton until the Rx LED glows red and then turns off after about one second.
4. Release the “LINK” button.
5. If the linking is successful, the Rx LED will flash once and then remain ON.
6. Test for proper Tx/Rx functionality before use. If the radio doesn’t appear to have become properly
linked, repeat steps 1– 5 above and move the Tx at least three feet away from the Rx.
FAILSAFE FUNCTION
The failsafe function is not controlled by the TTX850 transmitter itself, but rather by the Tactic receiver.
Tactic’s stand-alone 2.4GHz receivers have a failsafe feature which engages in the event that the signal
from the Tx somehow becomes interrupted. In such case, depending on the model of receiver being used,
all channels can be set to move to a specific position – or only throttle channel 3 can be custom set (with
all other channels holding).
19
The factory default failsafe position for channel 3 is to move to 0% throttle. Refer to the instructions with
the receiver or see www.tacticrc.com/receivers for details.
1. IMPORTANT: make sure the servo reverse settings for all servos are in the correct position for the
application.
2. Apply power to the Tx and Rx.
3a. If using an ESC: do NOT arm the ESC, or attempt to adjust the throttle’s failsafe position if the ESC
is armed. NOTE: If you’re using an ESC which has a signal loss feature, its pre-set failsafe position
will be irrelevant as the receiver’s failsafe function will cease the throttle operation if the signal is lost.
3b. If using a combustion engine: do NOT attempt to adjust the throttle’s failsafe position while the engine
is operating.
4. Move the Tx sticks to the desired failsafe position.
5. Press and hold the receiver’s “Link” button. The Rx’s LED should blink twice. Release the Link button,
and the LED should stay on continuously. The Tx and Rx should now be linked, with the throttle
failsafe in the new position as set above.
WIRELESS TRAINER
Two Tactic brand transmitters with trainer capabilities can communicate with each other by wireless means
for teaching a student how to fly. The TTX850 can be configured for wireless trainer function with any other
Tactic brand transmitter, but is not compatible with wireless trainer systems in other brand transmitters.
Once linked for training, make sure both transmitters are kept within 15 feet of each other at all times.
IMPORTANT! Before flying the model in training situations it’s very important to make sure
all channel reverse settings and trim adjustments on the teacher and student transmitters
match! Otherwise, the model could suddenly veer in an unwanted manner when the teacher’s
trainer switch is activated. Proper matching of the student and teacher’s Tx settings should
ensure that no unexpected movements occur when the trainer switch is pressed. This is especially true of
the throttle control!
Teacher’s radio TTX850 - Student’s radio Tactic TTX404 or TTX600
1. Link the teacher’s TTX850 to the Rx inside the model, and then remove power from the Rx.
2. In the TTX850 TRAINER screen described on page 10, select which channels to NOT be transferred
to the student while training, and select a switch to control the trainer function. Switch F is the
recommended switch for training purposes.
3. Turn the teacher’s Tx off.
4. Pull the TTX850 trainer switch and hold it in this position while turning the power switch on. The
“searching” message should show on-screen.
5. Move the student’s transmitter to within 3 feet of the teacher’s transmitter and turn on the TTX404/600
power switch.
6. The TTX850’s “searching” screen should disappear. The teacher can release the trainer switch. If the
TTX850 doesn’t identify the signal from the student’s radio a “NO SIGNAL” message will show.
7. Once linked, move the throttle stick on both transmitters to minimum. Turn the Rx power on and
make sure only those channels selected for transfer to the student are transferred when the TTX850
trainer switch is deflected. Ensure the teacher can regain control of all channels when the trainer
switch is released.
20
8. Perform a complete range check before flight.
9. When the training session has ended, with the model safely landed and power removed from the
model, simply turn the power switch for both transmitters to the OFF position. This will terminate the
wireless link between both transmitters.
Teacher’s radio Tactic TTX404/600 - Student’s radio Tactic TTX850
1. Link the teacher’s TTX404/600 to the Rx. Remove power from the model, and then turn the teacher’s
Tx off.
2. Pull the TTX404/600 trainer switch and hold it in this position and turn the power switch on.
3. Move the student’s transmitter to within 3 feet of the teacher’s transmitter, turn the power switch on
and set the RF OUTPUT to ON.
4. The TTX404/600 LED should flash three times and then stay on to indicate the link was complete.
Release the trainer switch.
5. Once linked, move the throttle stick on both transmitters to minimum. Turn the Rx power on and
make sure only those channels selected for transfer to the student are transferred when the TTX850
trainer switch is deflected. Ensure the teacher can regain control of all channels when the trainer
switch is released.
6. Perform a complete range check before flight.
7. When the training session has ended, with the model safely landed and power removed from the
model simply turn the power switch for both transmitters to the OFF position. This will terminate the
wireless link between both transmitters.
Teacher and student’s radio TTX850 or TTX650:
1. Link the teacher’s radio to the Rx.
2. In the teacher’s TRAINER screen described on page 10, select which channels to NOT be transferred
to the student while training, and select a switch to control the training function. Then turn the
teacher’s Tx off.
3. Move the student’s transmitter to within 3 feet of the teacher’s transmitter.
4. Pull the teacher’s trainer switch and turn the power switch on. The “searching” message should show
on screen.
5. Turn the student’s radio on, and set the RF OUTPUT to ON.
6. The teacher’s “searching” screen should disappear. The teacher can release the trainer switch. If the
teacher’s Tx doesn’t identify the signal from the student’s radio a “NO SIGNAL” message will show.
7. Once linked, move the throttle stick on both transmitters to minimum. Turn the Rx power on and
make sure only those channels selected for transfer to the student are transferred when the teacher’s
trainer switch is deflected. Ensure the teacher can regain control of all channels when the trainer
switch is released.
8. Perform a complete range check before flight.
9. When the training session has ended, with the model safely landed and power removed from the
model, simply turn the power switch for both transmitters to the OFF position. This will terminate the
wireless link between both transmitters.
21
WIRED TRAINER
The TTX850 can be connected by cable to most R/C transmitters which also have a trainer / DSC jack
for training purposes. See the ACCESSORIES section for details about optional trainer cords. Select the
proper cord for Tactic and the other radio to be used for training purposes.
1. Link the teacher’s radio to the Rx and move the throttle stick to minimum position.
2. In the teacher’s TRAINER screen described on page 10 select which channels to NOT be transferred
to the student while training, and select a switch to control the training function. Then turn the teacher’s
Tx off.
3. Connect the trainer cord to both transmitters, move the student’s throttle stick to minimum and turn
the student’s power switch on.
4. Make sure only those channels selected for transfer to the student are transferred when the teacher’s
trainer switch is deflected. Ensure the teacher can regain control of all channels when the trainer
switch is released.
5. Perform a complete range check before flight.
6. When the training session has ended, with the model safely landed and power removed from the
model, disconnect the trainer cable from both transmitters.
RANGE TEST
RANGE TEST: Before each flight make sure to check the operating range of the Tx / Rx set. The TTX850
includes a function that automatically reduces its output power to prevent having to walk a long distance
to check the range.
1. Make sure the Tx throttle stick is at minimum position.
2. Enter the “RF OUTPUT” screen in the SETTING menu, as described on page 16. Leave the “RF ON/
OFF” selection ON.
3. Move the cursor to the “RANGE TEST” line. This time determines how long before the radio’s output
power automatically returns to full power.
4. Place the Rx/model on the ground and apply power to the Rx/model.
5. Hold the Tx as it will be held during flight and press ENTER. The range test timer on-screen will start
to count down. Tones will sound to identify that this function is active.
6. Move the Tx 100 feet away from the model and confirm all controls are transferred smoothly at all
times.
The counter will reset once the timer has expired, and reset to 99 seconds. The radio will return to full output
power at this time. Pressing ENTER any time during countdown will stop the timer.
FIRMWARE UPDATES
A mini USB socket inside the battery compartment can connect the TTX850 to a personal computer for
updating the radio’s operating firmware. The software and suitable driver required for the download are free
and found at www.tacticrc.com, following the TTX850 link.
22
IMPORTANT: Make sure the Tx battery shows good voltage prior to attempting a
download. Fully recharge NiMH or NiCd batteries, or use new alkalines prior to starting
the download. Once the software is loaded on the computer, the new firmware can be
uploaded to the Tx.
WARNING INDICATIONS
The following indications will sound and/or show if any of the following occur:
LOW BATTERY: Battery voltage is at or below the BATT. ALARM setting. Cannot change memories
at this time. Replace or re-charge batteries.
RF ON / OFF?: Turn the radio’s Rf signal on or off.
THRO POS.: The throttle stick is >25% full deflection at start-up. Move the throttle stick to minimum.
THRO CUT: The throttle cut function has been set and the switch is on. Turn the switch off.
NO SIGNAL: While in wireless training mode, if the signal between the teacher and student transmitters
becomes un-linked.
AUTO SHUTDOWN: If no transmitter stick or control is moved after 10 minutes have elapsed, this
warning screen will show and the Tx will proceed to shut itself down to prevent unwanted drainage
of the batteries. If the transmitter’s Rf section is turned ON, the Tx will automatically shut down 120
seconds after this message shows. If the Rf section is turned OFF, the Tx will shut down 60 seconds
after this message shows.
SYSTEM CHECK AND OPERATION
WARNING! Always make sure that power is applied to the transmitter BEFORE applying
power to the receiver and servos, and the Tx throttle stick is at minimum (idle) position. Failure
to do so could result in the model becoming uncontrollable and cause a safety hazard. During
all pre-flight preparations, do not stand the Tx upright on the ground. Carefully lay the Tx on its
back on the ground to prevent it from falling over and possibly dislodging the throttle stick which would create
a safety hazard. Make sure all devices are properly mounted inside the model, and all wiring connections
are solid to prevent them from easily becoming dislodged during normal flight. It’s best to check the system
with the propeller removed from the aircraft.
1. Once all connections are made, check the general operation of the radio and all other components
before attempting a flight.
2. Move the Tx throttle stick to the minimum (idle) position.
3. Turn on the Tx, and then the Rx.
4. Make sure all controls are operating in the proper direction. If any servo is turning in the wrong direction,
change the reverse setting for that channel.
5. With both sticks at center position, move the trim levers for the aileron, elevator, and rudder channels
so each respective control surface is perfectly aligned with the main surface. For example: when the
aileron trim lever is at center, it’s best that the trailing edge of the aileron is aligned with the trailing
edge of the wing itself (not above or below the wing’s trailing edge).
6. Make sure that movements of the throttle stick result in an equal adjustment of the throttle in the
model. Depending on whether the model is electric or glow powered:
a. Electric: confirm that when the throttle stick is at maximum position the electronic speed control
gives the appropriate indications (LED and/or audible indicators) for full forward flight. And, when
the throttle stick is at minimum position the electronic speed control gives the appropriate indications
for “off” or no motor rotation.
b. Glow: confirm that when the throttle stick is at maximum position the mechanical linkage to the
engine allows the engine to be at full throttle. And, when the throttle stick is at minimum position
and the throttle trim lever is moved to minimum position, the engine stops completely.
23
7. Perform a range check as explained on page 22.
8. Anytime power is to be removed from the radio system, it’s important to shut down power in the aircraft
first. Otherwise, the aircraft could become out of control and cause a safety hazard! Move the throttle
stick and throttle trim to minimum position to stop the glow engine or shut down the ESC. Once the
propeller has stopped rotating, shut off the ON/OFF power switch in the model, and disconnect the
power battery from the ESC in electric airplanes. Then turn off the power switch in the Tx.
FLYING THE AIRCRAFT
1. Once all setup procedures have been confirmed, and power has been removed from the model and
transmitter, prepare the model for flight.
IMPORTANT: Be very careful to stay clear from moving propellers and blades!!
2. Make sure the glow engine fuel tank has an adequate amount of fuel, or power batteries for electric
models are fully charged.
3. Move the Tx throttle stick to the minimum position, and then turn on the Tx power switch. Turn on the
power switch in the model or connect the flight battery.
4. During the first flight, it might be necessary to re-trim the main channels to allow the model to sustain
smooth, even flight. If further adjustments are required on the ground, make sure to turn off the engine
or ESC/motor beforehand.
5. When the flight is completed, remove power from the system as described before. Shut down power
to the electronic speed control or glow engine first, then the receiver, and finally the transmitter.
IMPORTANT WARNINGS AND PRECAUTIONS
● NEVER allow water or moisture to make contact with the electronic components inside the
transmitter, receiver, servos, switch harness, etc.! This could lead to failure or improper
functionality of components and poor control of aircraft which could pose a safety hazard.
● NEVER operate R/C model aircraft near power lines, radio or cell phone towers, roads or automobiles,
buildings, or pedestrians. Be very careful in locations where many R/C aircraft are being used simultaneously.
● NEVER operate R/C equipment if you are physically impaired as it could pose a safety hazard to yourself
or others in the area.
● NEVER allow small children to operate/control model R/C equipment without the supervision of an adult.
● NEVER allow the transmitter’s throttle stick to accidentally be moved away from the “off” 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. Check
the proper operation of control surfaces before and after starting the engine/motor.
● ALWAYS make sure the transmitter antenna is unfolded entirely so that it’s pointing upright to ensure
max. range and control of the aircraft.
● Do not store your radio equipment in extremely hot or cold locations, in direct sunlight, or in locations
with high humidity. Store R/C equipment in cool and dry locations.
24
● Do not allow chemicals to come in contact with any parts of the radio system. Substances such as glow
fuel, gasoline, CA glue, etc. could permanently damage plastic parts of the radio system.
● If rechargeable batteries were installed in the transmitter, remove the batteries before placing the radio
in long-term storage.
TTX850 SPECIFICATIONS
Model Types:
Channels:
Frequencies:
Protocol:
Modulation:
Input Power:
Current Consumption:
Low Voltage Alarm:
Memories:
Stick Modes:
Trims:
Switch Assignments:
Display:
Channel Controls:
Failsafe:
Timers:
Charge Jack:
Trainer System:
airplanes, gliders, helicopters, quadcopters
77
2.403 – 2.479GHz
Tactic SLT
GFSK
3.40 - 7.00V DC
approx. 100-120mA
3.20 – 6.00V adjustable
30, with copy function
two
digital for channels 1-4
user selectable
256 x 160 graphing LCD, with adjustable contrast and backlight
reversing, end points, sub-trims, dual-rates, exponential
all channels, user-selectable
count-up stopwatch, count-down, flight timer
Futaba® compatible
wireless - Tactic SLT compatible, and wired
TROUBLESHOOTING
RANGE IS SHORT: Interference – check Rx installation and servo connections. Low Tx or Rx battery –
replace the batteries or recharge if applicable. Transmitter antenna not unfolded properly. Rx may need
to be located to a different position in the model for better reception. Crash damage – send the radio to
Hobby Services for repair.
RUN TIME IS SHORT: Weak Tx or Rx batteries – replace or recharge the batteries. Obstructed servo
linkages causing excess battery drain – free the linkages / pushrods.
Tx POWER SWITCH ON BUT SERVOS DO NOT FUNCTION: Tx or Rx batteries are low – replace or
recharge the batteries. Tx RF output is set to “OFF” – change to “ON”. Rx switch is in the off position – turn
on the ESC or switch harness. Switch harness or ESC is connected incorrectly – check all connections
and the ESC instruction manual. Rx is not linked to the Tx properly – perform binding process again. Check
Tx or Rx battery polarity.
INTERFERENCE OR SERVOS GLITCHING: Out of range – operate the model more closely to the transmitter.
Outside radio interference from other electronic devices in the area - check your local R/C club regarding
local operation. Rx/antennas located too closely to engine, motor, or servos or other moving mechanical
parts which might be creating unwanted electrical noise – relocate the Rx inside the model or relocate the
ESC. Align both Rx antennas at 90 degree angles from each other if possible/applicable.
CONTROL SURFACE MOVES IN THE WRONG DIRECTION: Reverse the control direction of the channel
in the radio’s programming.
ONLY ONE SERVO GLITCHES: Servo is bad – replace the servo or send to Hobby Services for repair.
25
FAILSAFE NOT WORKING CORRECTLY: Receiver is not properly linked to the transmitter – link the
Rx to the Tx and re-try. Check the channels which are programmed for transferring from Tx to Rx in the
transmitter’s programming. Contact Hobby Services for further details.
WIRELESS TRAINING FUNCTION NOT LINKING: Check to see that another Tactic 2.4GHz system is not
on in your area. The problem might also be that the teacher’s and student’s transmitters were not powered
in the proper sequence or are positioned too far from each other. Carefully follow the instructions on page
19 for proper linking and operation for training.
RECHARGEABLE BATTERIES WON’T ACCEPT CHARGE THROUGH THE TRANSMITTER: Check
the charger for proper setup and operation. Make sure the charge plug is inserted fully into the charge jack.
Make sure the transmitter’s power switch is in the OFF position. Make sure the cells are inserted inside the
battery compartment in the proper direction.
Contact Hobby Services for other problems.
SAFETY GUIDE
The Academy of Model Aeronautics (AMA) has established a Membership Manual which includes a description
of the AMA’s function and mission, insurance benefits, the Model Aircraft Safety Code, membership renewal
information, and more. Model flying MUST be done in accordance within AMA guidelines in order for AMA
liability protection to apply. See the website listed below, or contact the AMA for further details:
http://www.modelaircraft.org/files/Memanual.PDF
Academy of Model Aeronautics
5161 East Memorial Drive
Muncie, Indiana 47302
(765) 287-1256 – Business
(765) 289-4248 – Fax
(800) 435-9262 – Membership Services
http://www.modelaircraft.org
Practice good safety precautions at all times when flying model aircraft. The AMA can assist in locating
authorized local flying clubs and fields.
The Tactic TTX850 transmitter is intended for use with radio control model hobby airplanes and helicopters.
Use with non-hobby related products for non-hobby related activities is not recommended or encouraged.
Any alterations or modifications to any parts of this product are not recommended. Tactic is not responsible
for unauthorized repairs or modifications. All unauthorized repairs will void the warranty.
ACCESSORIES
TACM0205
TACM0210
TACM0225
TACM0235
TACM0245
TACM2001
TACM2020
TACM2090
TACM2093
TSX5 Micro High Speed Servo
TSX10 Micro Digital High Torque Metal Geared Servo
TSX25 Mini Digital High Speed 2BB Servo
TSX35 Standard Sport Servo
TSX45 Std High Torque Metal Gear 2BB Servo
Switch Harness w/Charge Plug Futaba J
4 Cell AA Battery Holder
Servo Extension 6” Futaba J
Servo Extension 12” Futaba J
TACM2500
TACP0101
DTXP4704
DTXP4708
TACM1000
TACM1005
TACM1010
TACM0011
Y-Harness 20” Futaba J
Tx Rx Charge Leads Tactic
Onyx “AA” Alkaline Battery (4)
Onyx “AA” Alkaline Battery (8)
Tactic to Tactic Trainer Cord
Tactic to Spektrum ® JR®
Tactic to Futaba® Round
Tactic to Futaba Square
See www.tacticrc.com for a full list of radio parts and accessories.
26
FCC STATEMENT
This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions.
(1) This device may not cause harmful interference.
(2) This device must accept any interference received, including interference that may
cause undesired operation.
FCC Rf Radiated Exposure Statement: This device has been evaluated to meet general Rf exposure
requirements The device can be used in portable exposure conditions without Rf restrictions.
NOTE: THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV INTERFERENCE
CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS EQUIPMENT. SUCH MODIFICATIONS COULD
VOID THE USER’S AUTHORITY TO OPERATE THE EQUIPMENT.
FCC ID: IYFTTX850
INDUSTRY CANADA NOTICE
This device complies with Industry Canada licence-exempt RSS standard(s). 1. Operation is subject to the following
two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including
interference that may cause undesired operation of the device.” 2. Changes or modifications not expressly approved by
the party responsible for compliance could void the user’s authority to operate the equipment.
This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. The device can be
used in portable exposure conditions without Rf restrictions.
Avis d’Industrie Canada
Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de licence.
L’exploitation est autorisée aux deux conditions suivantes : (1) l’appareil ne doit pas produire de brouillage, et (2)
l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en
compromettre le fonctionnement. Cet appareil numérique ne dépasse pas les Rèlements sur l’interférence radio par un
appareil numérique de classe B stipulées dans les Règlement sur l’interférence redio d’industrie Canada.
2.Les changements ou modifications de cette unité non expressément approuvés par la partie responsable de la
conformité pourraient annuler l’autorité de l’utilisateur à utiliser l’équipement.
IC RF Déclaration sur la radioexposition:
Cet appareil est conforme avec I’exposition aux radiations IC Définies pour un environnement non contrôlé. L’appareil
peut être utilisé dans des conditions d’exposition portatifs sans restrictions Rf.
CE COMPLIANCE INFORMATION FOR THE EUROPEAN UNION
Instructions for Disposal of Waste Equipment by Private Users in the European Union: This symbol on the
product or its packaging indicates this product must not be disposed of with other household waste. Instead,
it is the user’s responsibility to dispose of their waste equipment by handing it over to a designated collection
point for the recycling of waste electrical and electronic equipment. The separate collection and recycling
of your waste equipment at the time of disposal will help to conserve natural resources and ensure that it
is recycled in a manner that protects human health and the environment. For more
information about where you can drop off your waste equipment for recycling, please
contact your local city office, your household waste disposal service or location where
you purchased the product.
27
Declaration of Conformity:
Product: TTX850 8-Channel 2.4GHz Transmitter
Item number: TACJ2850
Equipment class: 2
The objects of the declaration described here are in conformity with the requirements of the specifications
listed below following the provisions of the European 2006/95/EC Low Voltage Directive:
EN 60950-1:2006 + Am11:2009 + Am1:2010 + Am12:2011 + Am2:2013
The objects of the declaration described here are in conformity with the requirements of the specifications
listed below, following the provosions of the European R&TTE directive 1995/5/EC:
ETSI EN 300 328 V1.7.1:2006
ETSI EN 301 489-1 V1.9.2
ETSI EN 301 489-17 V2.2.1
Tactic
c/o Hobbico, Inc.
2904 Research Road
Champaign, IL USA 61826
1-YEAR LIMITED WARRANTY
Tactic warrants this product to be free from defects in materials and workmanship for a period of one (1)
year from the date of purchase. During that period, Tactic will, at its option, repair or replace without service
charge any product deemed defective due to those causes. You will be required to provide proof of purchase
(invoice or receipt). This warranty does not cover damage caused by abuse, misuse, alteration or accident.
If there is damage stemming from these causes within the stated warranty period, Tactic will, at its option,
repair or replace it for a service charge not greater than 50% of its then current retail list price. Be sure to
include your daytime telephone number in case we need to contact you about your repair. This warranty
gives you specific rights. You may have other rights, which vary from state to state.
For service on your Tactic product in North America, send it postpaid and insured to:
HOBBY SERVICES
3002 N. Apollo Dr., Suite 1
Champaign, IL 61822
Tel: (217) 398-0007 (9:00am - 5:00pm CST, M-F)
E-mail: hobbyservices@hobbico.com
In the European Union, send it postpaid and insured to:
Service Abteilung Revell GmbH
32257 Bünde Germany
Tel: 01805-110111 (nur für Deutschland)
E-mail: Hobbico-Service@Revell.de
Tacticrc.com
Tx-Ready.com
Distributed in the EU by Revell GmbH, Bünde Germany
● This product is suitable only for people of 14 years and older. This is not a toy!
● WARNING: CHOKING HAZARD - May contain small parts. Keep away from children under 3 years.
Please retain packaging for future reference.
● No part of this manual may be reproduced in any form without prior permission.
● The contents of this manual are subject to change without prior notice.
● Tactic is not responsible for the use of this product.
28
© 2014 Tactic, a Hobbico company
Made in China
TACJ2850 v1.0

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