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The purpose of this user manual is to consolidate information from the community about the setup, configuration, and use of EdgeTX. The goal is to be your "one-stop shop" for information about anything related to EdgeTX. It is broken down into the following areas:
If you would like to contribute to this guide, please take a look at the Contribute to the User Manual page.
The user guide explains all the configuration options available in EdgeTX as well as some high-level theoretical information about EdgeTX usage and model controls. It is broken into sections - one section covering the interface for Color Screen Radios and one section covering the interface for Black and White screen radios.
The How-to section will provide detailed instructions about how to configure model or user-specific use cases in EdgeTX. It will cover common use cases as well as rare and specific use cases. This section of the manual will steadily grow as new How-to articles are submitted by contributors.
The EdgeTX Companion User Guide will cover the different features and functions of EdgeTX Companion and the EdgeTX Simulator as well as common use cases for both. Note: This section is currently planned, but work on it has not been started.
This section of the knowledge base will contain links to additional resources that EdgeTX users may find useful. The external pages that are linked here are not maintained by EdgeTX. However, they are listed as they may be useful sources of additional information relating to EdgeTX.
See the Contributors section for a list of direct and indirect contributors.
General model settings
The model setup page is the default page for model settings and is where you start to configure your model. It contains the following settings:
Enter the desired name for the model. The maximum number of characters is 15.
Here you may assign a label from your defined label list. By default, the model label will be Unlabeled. More information on creating labels can be found on the Select Model page.
When the folder icon is selected, a window will pop up allowing you to select an image file from the images folder on your SD Card.
To avoid performance issues, the model image size should not exceed 192 x 114 pixels.
https://www.skyraccoon.com/ has a large repository of free image files that can be used with EdgeTX.
When enabled, global functions programmed in the radio settings will apply to this model. When disabled, global functions will not apply to this model.
Global functions are special functions that are applied across all models. Refer to Special Functions for information on configurable settings.
Enables/disables the ADC filter for this model. The global option will take the value designated in the radio settings, which is on by default.
The ADC filter is a filter for the proportional channels (sticks, pots, sliders), smoothing out smaller fast movements that occur due to noise in the system electronics. Normally, this filter should be disabled for models with flight controllers.
The user interface of EdgeTX can be navigated by physical buttons, the touch interface, or a combination of both.
[SYS] - System Button - Short press [SYS] button to go to the Radio Settings page.
[MDL] - Model Button - Short press [MDL] button to go to the Model Settings page - Long press [MDL] button to go to the Select Model page
[RTN] - Return / Back - Short press [RTN] button to return to the previous page, previous menu or cancel action
[PAGE>] / [PAGE<] - Page next & page previous - Used to navigate between different screens, tabs, or options settings, depending on the screen.
[TELE] - Telemetry - Press the [TELE] button to go to the Screen Settings page
[Roller] or [Dial] - Next & previous value The roller is used to navigate through menu options.
[Enter] - Accept - Used to select option, function or accept value - Push [Roller] or [Dial] button to select or enter.
Certain radios are equipped with a touch screen. On these radios, you can interface with the menu options either with touch or physical buttons.
It is possible to disable the touch interface by configuring a special function. See Special Functions for more information.
Touch the EdgeTX icon in the upper left corner of the screen to open the main navigation menu. Touch the desired menu option to select it.
For models that have Display Checklist enabled in the Preflight Checks screen and a valid model checklist file in the Models folder you will see a Model Notes icon instead of the Channel Monitor icon.
Pressing the roller from the main screen will also open the main navigation menu. You can then scroll using the roller to the desired menu option and select it by pressing the roller.
The select model screen allows you to create new models, select which model is active, create and apply model labels, and create model templates.
The active model's name will be highlighted (yellow in this case) and displayed on the screen's top bar. Double-tapping an active model will give you the following options:
Duplicate model - This option creates an exact duplicate of the model with the same name. Changes to the model name or other settings need to be made in the Model Settings tab.
Edit Labels - When this option is selected, all configured labels will be displayed and can be selected for this model. More Information about Model Labels is below.
Save as template - this option saves a copy of the model as a model template.
Changes to models saved as templates do not update the templates themselves.
Double-tapping on a non-active model (unhighlighted) will give you the following options:
Select model - this option selects this model as the active model.
Duplicate model - same as described above.
Delete model - this option moves the model to the deleted folder on the SD Card. Only models that are not active can be deleted.
Edit Labels - same as described above.
Save as template - same as described above.
To create a new model, select the New Model button in the upper right corner. You will then be presented with the following options:
Blank Model - This will create a blank model with only the default options configured.
PERSONAL - This option will allow you to select one of your saved model templates and then create a copy of it as a new model.
SoarETX - This will display pre-configured model templates for radio-controlled model sailplanes.
WIZARD - This will launch the new model wizard and create the model as configured in the wizard.
Model labels allow you to give each model one or more labels. You are then able to filter the models displayed in the Model Select screen based on the labels that you select. This allows people with many configured models to find them easier. By default, the Favorites and Unlabeled labels are created automatically. All models are considered unlabeled until a label is applied to them.
To filter the visible models based on their labels, select the filter or filters from the left column. It will automatically filter out the models that do not have those model labels.
To assign a label to a model, double-tap on the model or press [Enter] when the model is selected and then select Edit Labels. Once selected, all configured labels will be displayed and one or more labels can be selected for this model. Labels applied to the model will be designated with a check icon.
To create a new model label, select the New button on the bottom left of the screen. The Enter Label pop-up will appear and you can enter the desired label name. Select Save to save the new label.
Long press [Enter] or long tap on desired label and you be shown a menu with the following options:
Rename Label - change the label's name
Delete Label - Deletes the label from the label list and from all models that have it assigned.
Move Up - positions the label higher on the list
Move Down - - positions the label lower on the list
The icons below the label list are for sorting the filtered models. Models can be sorted either alphabetically or by the last time they were selected as described in the image below.
EdgeTX supports the following color screen radios:
FlySky NV14 / EL18
FrSky X10 / X10S / X10 Express / X10S Express
FrSky X12S / X12S-IRSM
Jumper T16 / T16 Plus / T16 Pro Hall
Jumper T18 / T18 Lite / T18 Pro
RadioMaster/Eachine TX16S / RadioMaster TX16S MAX / RadioMaster TX16S Mark II
The Trainer screen is where you can configure the CPPM passthrough mode and method. When enabled, this allows the CPPM signals from a radio in Slave mode to be passed through to another radio in Master mode which will then pass the signal to the model it is connected to. CPPM passthrough can be used for several different use cases, such as: connecting a head tracker, Instructor / Student training mode, and controlling complex models that require more stick inputs than available on a standard transmitter.
Master mode - This is the mode for the radio that will be connected to the model. This radio also shall configure the special/global function (Trainer) to activate the passthrough mode. When the passthrough mode is activated, the CPPM signals from the radio in Slave mode will be sent to the model for control.
Slave mode - This is the mode for the radio that will pass it's CPPM values to the radio in Master mode, which are then sent to the model.
Below are the possibile configuration options:
Off - Trainer mode is not used for this model.
Master / Jack - Master mode using a cable connection.
Slave / Jack - Slave mode using a cable connection.
Channel Range - This is the range of channels that will be sent to the radio in Master mode. Channel 10 is the recommended last channel to use.
PPM Frame - The first field is the length of the PPM frame. The second field is the stop length/delay between pulses. The dropdown is to select the polarity of the signal. Note: In most cases, the default setting does not need to be changed.
Master / Bluetooth - Master mode using a Bluetooth connection (if installed in radio).
Slave / Bluetooth - Slave mode using a Bluetooth connection (if installed in radio).
Master / Multi - Master mode using an additional externally mounted Multi-protocol module for the connection. For more information on this setup, see
Further configuration settings for trainer mode can be found under radio settings,
The Model Settings screen contains all the options to configure your model. Across the top of the page you will see icons that will take you to different pages of model settings when selected. The default screen for model settings is the screen.
The icons at the top of the screen include (in order from left to right):
(only visible if EdgeTX is custom compiled with this option.)
Trims are used adjust the center position of a given stick axis. EdgeTX has the following time configuration options:
Reset - This resets all trim values to zero.
Trim Step: Defines the amount of increase/decrease in trim when the trim switch is pressed.
Course = 1.6%
Medium = 0.8%
Fine = 0.4%
Extra Fine = 0.2%
Exponential = 0.2% near the center and the step value increases exponentially as the distance from the center increases.
Extended Trims: Increases the maximum trim adjustment value from ±25% to ±100%.
When switching from extended trims to normal trims, the extended trim value will remain until the trim is adjusted, then it will jump to the max/min normal trim value.
Display trims: When set to ON, it will display the numerical trim value on the trim bar. When set to CHANGE, it will display the numerical value once the trim is no longer at zero.
EdgeTX has to possibility to select a specific source and trim for the model throttle and allows for the following configuration options:
Reverse: When enabled, this option reverses the output direction of the configured throttle channel.
Source: The source that will be used for the throttle.
Trim idle only: When enabled, the throttle trim will only affect the bottom portion of the throttle band.
For example, with Trim idle only enabled, the throttle stick at the lowest point might have a value of -80 and the center point will still be 0 and the highest point of 100. Without this enabled, the throttle stick at the lowest point might have a value of -80 however, the center point will be 20 and the highest point of 100.
Trim switch: The trim switch that will be used to trim the throttle. It is possible to substitute the throttle trim switch with the aileron, rudder, or elevator trim switches.
The Heli Setup page in Model Settings is an optional page that is available on custom-compiled versions of EdgeTX. The heli setup page is often used for collective pitch mixing (CCPM) used in flybared helicopters where the receiver directly controls the swashplate servos. Most flybarless helicopters do not need to configure this page. The outputs of the CCPM mixer are CYC1, CYC2, and CYC3, which need to be assigned to an output channel on the Mixes screen.
The heli setup page has the following configuration options:
Swash Type - Swash type for your model. Options are 120, 120x, 140, and 90.
Swash Ring - Set the swash ring limit only as needed. 1 = maximum limit -> 100 or 0 = no limit.
Long. cyc. source - Select source input.
Lateral cyc.source -Select source input.
Coll. pitch source - Select source input.
Weight - Percentage value of the stick travel to use.
The Inputs screen of Model Settings is where you map your physical radio controls (for example: sticks, sliders, and pots) to a software input to be used by the radio. After the control has been mapped it is then possible to apply modifiers to the inputs such as a weight, offset or curve which will then be applied anywhere that input is used. Although it is possible to also assign switches as inputs, it is normally not needed as switch outputs seldomly need to be modified by a weight, offset or curve. By default, EdgeTX will automatically map your contoller sticks to Aileron, Elevator, Throttle, Rudder based on the default channel order defined in Radio Setup.
Your input channels may default to a different order based on the settings defined in Radio Setup.
The Inputs section is also commonly referred to as "Dual Rates" as it was previously called this in earlier versions of OpenTX.
Selecting the + button will create a new input and open the input configuration page. Selecting an existing input will give you the following options:
Edit - opens the input configuration page for that input line.
Insert before - Inserts a new input line before the selected input.
Insert after- Inserts a new input line after the selected input.
Copy - copies the selected input line.
Move - selects the input line to be moved. The input is moved using one of the paste commands after a new line is selected (i.e. cut & paste).
Delete - deletes the selected input line.
Paste before - pastes the copied or moved input line before the selected input line.
Paste after - pastes the copied or moved input line before the selected input line.
The input configuration page allows you to edit the input configuation parameters. To the right of the configuration parameters, you can see a live graph that shows how your configuration options will affect the slope of the input.
Input Name - Name for the input. Four character are possible.
Line Name - Name of the individual line in the input. Multiple physical inputs can be mapped to one input by adding an additional input line under the input.
Source - The physical control used for the input. In addition to physical controls, you can also specify MAX (always returns 100), cyclics, trim switches, channel values and more. Moving the physical control after the source has been selected will automatically map it to that input.
Weight - Percentage value of the stick travel to use (often referred to as "rates").
Offset - The value added to or subtracted from the input source.
Switch - The switch that activates the input line. If no switches are defined then it is always active.
Curve - Specifies the type of curve that will be used. The following curve options exist:
Diff - Multiplies only the range above or below the middle (0) by the specified %.
Expo -The input value is changed exponentially. Increasing the % will result with a gentle slope near the middle(0). Decreasing the % will result in a steep slope near the middle (0). With a % of 0, the slope will be linear.
Func -
---
The slope will be linear.
X>0
The range below the middle (0) is always 0. Above the middle (0), the slope is linear.
X<0
The range above the middle (0) is always 0. Below the middle (0), the slope is linear.
|X|
The range above the middle (0), the reaction is linear. The sign is inverted in the range below the middle (0). The curve draws a V-shaped graph.
f>0
The range above the middle (0) is always +100. The range below the middle (0) is always 0. The output value will always be either 0 or +100.
f<0
The range above the middle (0) is always 0. The range below the middle (0) is always -100. The output value will always be either 0 or -100.
|f|
The range above the middle (0) is always +100. The range below the middle (0) is always -100. The output value will always be either +100 or -100.
Cstm - assigns a custom defined curve. See Curves for more information about custom defined curves.
Values for weight, offset and curve % can also be defined by a configured global values Selecting the GV button will display a list of configured global values to select from.
When selecting the gear button at the bottom of the screen, the following option window will be displayed.
Side - Specifies the input range for which this line setting is valid. If you select ---, it will be valid in the entire range of Source values. If you select x>0, it will be valid in the upper half of the value of Source. If you select x<0, it will be valid in the lower half of the value of Source.
Trim - Specifies whether or not to include the trim values in this input. Additionally, you can select a different trim to use for this input.
Modes - Specifies which flight modes this input is active for.
The Mixes screen of Model Settings is where several Inputs can be combined into one "Channel Mix". These mixes are then assigned to a radio channel for output. This is also the place where switches, knobs or sliders are assigned to a channel for output. Similar to the Input section, it is also possible to assign a weight, offset or curve to a channel mix.
Selecting the + button will create a new mix and open the mixes configuration page. Selecting an existing mix will give you the following options:
Edit - opens the mixes configuration page for that mix line.
Insert before - Inserts a new mix line before the selected mix.
Insert after - Inserts a new mix line after the selected mix.
Copy - copies the selected mix line.
Move - selects the mix line to be moved; mix is moved using one of the paste commands after a new line is selected (i.e. cut & paste).
Delete - deletes the selected mix line.
Paste before - pastes the copied or moved mix line before the selected mix line.
Paste after - pastes the copied or moved mix line before the selected mix line.
Show mixer monitors - Selecting this option will display a bar graph on the mix channels showing the current value for that mix channel.
The upper right portion of the mixes configuration page contains a channel monitor for the selected mix line. It shows the output (top) and mix (bottom) values. The following configuration options are also available:
Name - Name of the mix (optional). Up to 6 characters are allowed.
Source - The source for the mix. In addition to inputs, you can select sticks, pots, sliders, trims, physical and logical switches, heli mixer outputs, trainer import channel values, and other channels.
Weight- Percentage of the source value to use.
Offset - The value added to or subtracted from the source.
Switch - The physical switch that activates this mix line (optional). If no switch is selected, then the mix will be active by default.
Multiplex - The multiplex setting defines how the current mixer line interacts with the others on the same channel. Add will add its output to them, Multiply will multiply the result of the lines above it, and Replace will replace anything that was done before it with its output.
Modes - Specifies which flight modes this mix is active for.
Trim - Specifies whether or not to include the trim values in this mix. For the trim values to be included, the trim field for the relevant input must also be enabled on INPUTS screen.
Warning -when selected, the radio will beep when this mix is active. You can choose from OFF (0) or beep patterns 1, 2, 3.
Delay up - Creates a time delay in seconds between when the source value increases and when it is output.
Delay down - Creates a time delay in seconds between when the source value decreases and when it is output.
Slow up - Adjusts the transition speed for source value increases. Specify the time to transition from -100% to + 100% in seconds. You can specify a range from 0.0 seconds to 25.0 seconds.
Slow down - Adjusts the transition speed for source value decreases. Specify the time to transition from -100% to + 100% in seconds. You can specify a range from 0.0 seconds to 25.0 seconds.
The Outputs screen of Model Settings is where final adjustments to the control data are made (including subtrims, curves, endpoint, and center values) before finally sending the control data to the RF module. This is where the channel center, limits (to prevent servo binding) and output direction are set.
A Trim is a temporary adjustment to a flight control normally done while in operation with a trim switch. A Subtrim is a semi-permanant adjustment to a flight control that is normally configured when setting up the model in the output settings.
The output screen shows all the configured output channels. For each output line, it displays the values for the minimum and maximum limits, subtrim, center point, subtrim mode and channel monitor. The two options below are also available on the output page:
Add all Trims to Subtrims - When selected, adds the current trim value to the subtrim value for each configured output. The trim value is then reset to zero.
Extended Limits - When enabled, it increases the minimum and maximum range for the output values to -150 and 150. Extended limits are necessary if the full range of the control surface cannot be reached with standard limits.
Selecting an output line will give you the following options:
Edit - Opens the output configuration screen.
Reset - Sets the subtrim value back to zero. The trim value is not changed.
Copy Sticks to Subtrim - Adds the current value of the stick deflection as the subtrim value.
Copy Trims to Subtrim - Adds the current trim value to the subtrim value. The trim value is not changed.
The output configuration screen has the following configuration options:
Name - Name for the Output up to 6 characters.
Subtrim - The subtrim value (max 100). It can also be set to a global variable by pressing the "GV" button and then selecting the desire global variable from the dropdown menu.
Min - Minimum output limit. Commonly used to prevent servo binding on models that use servos for the control surfaces.
Max - Maximum output limit. Commonly used to prevent servo binding on models that use servos for the control surfaces.
Inverted - Select this option if you want to invert the output value.
PPM Center - Specify the pulse-width value for the center value of the output channel (between 1000 - 2000). Changing this will shift the entire output range, including upper and lower limits.
Subtrim mode - Defines how the subtrim value affects the min/max output values. There are two options:
Center Only - Only the center value shifts and the upper and lower limits do not change. The reaction of the stick differs between the upper half and the lower half from midpoint.
Symmetrical - the upper and lower limits will shift according to the shift of the center value. The reaction of the stick is the same on both sides of the midpoint.
Curve - Specifies the type of curve that will be used. See the curve section on the page for detailed explanations of the different curve types.
Curve - Specify the custom curve (in any) that you want to use for this output. See for more information about custom defined curves.