MODEL MIXES setting items explanation
This section describes the setting items on the MODEL MIXES screen of OpenTX / EdgeTX radio.
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Table of contents
MODEL MIXES screen functions
This screen defines which input device (virtual channel) defined on INPUTS screen is transmitted to which physical channel of receiver (aircraft). Weight (reaction intensity), curve (reaction curve), and offset can be set for the input value from the INPUTS screen for processing. The output values of multiple virtual channels can be mixed at a specific ratio (weight) to control one physical channel, or one virtual channel can control multiple physical channels at the same time. Weights, curves, etc. can be set here as well.MODEL MIXES screen explanation
If you open "MIXES" screen from "MODEL menu", the screen will look like this.
On the MIXES screen, you can set up to 32 channels from CH1 to CH32 and up to 64 lines.
The meaning of each field is as shown in the table below, starting from the left.
Any item can be entered on detailed setting screen (described later).
You can set color display / touch panel model in the same way.
| field | item | description |
|---|---|---|
| 1 | Channel |
Physical channel number to which "input (virtual channel)" is assigned.
Lines labeled "+=" or
, "*=" or
, ":=" or
indicate that they are "inputs" that are mixed to the line above them.
|
| 2 | Weight | This is the 'weight' (rate) to be multiplied by the input value. Input value from Source is multiplied by (Weight value / 100). |
| 3 | Input Name | The "input" assigned to this channel. You can set the "input" defined on INPUTS screen , or stick, switch e.t.c. |
| 4 | Mix name | If you named this "line", it will appear here. When you assign multiple inputs (= "line") to one channel, you can give them a name to distinguish each "line". |
| 5 | Switch | This is the switch to enable this "line". If nothing is specified, it will be blank. The switch does not appear on the line where "Mix name" is set. |
Move cursor to any channel on MIXES screen and press and hold ENTER key to display this menu.
Select "Edit" to open
detailed setting screen
.
MODEL MIXES setting items explanation
| item | description |
|---|---|
| Mix name |
You can give this 'line' a name. Enter up to 6 alphanumers, spaces, and hyphens.
When you assign multiple inputs (= 'line's) to one channel, you can give a name here to distinguish each 'line'. See Assign multiple inputs to one channel and mix them for multiple 'line' assignments. |
| Source |
Specify the "input" to be assigned to this 'line'.
In addition to the "input" defined on
INPUTS screen
and physical devices such as sticks, switches, and dials (Pot: Potentiometer), you can also specify MAX (constant always returns 100), Cyclic (defined on the Heli Setup screen),
trim switches
, and other channel values and more.
If you move the stick, switch, etc. while editing this item, it will be selected as input device. |
| Weight |
Specifies the 'weight' (rate) to be multiplied by the input value.
Input value from Source is multiplied by (Weight value / 100).
You can also select a
global variable
by pressing and holding ENTER while editing.
Specify in the range of + 500% to - 500%.
However, the final output from MIXES will be rounded to the range of + 100% ~ -100%.
For example, if you set 50 here, the value when the input device (eg stick) is moved to the maximum will be -50 to +50 instead of -100 to +100. * You can invert the value by specifying a negative Weight value, but this should only be used for mixing (subtracting) multiple 'line's and not for inverting the output from MIXES. If you want to invert the output, specify it on OUTPUTS screen . |
| Offset |
Specifies the offset value to be added to the input value.
You can also select a
global variable
by pressing and holding ENTER while editing.
Specify in the range of +500 to -500.
However, the final output from MIXES will be rounded to the range of + 100% ~ -100%.
For example, if you set 10 here, the median value of the channel (for example, when you lift your finger off the stick) will be 10 instead of 0. |
| Trim |
Specifies whether the value of this 'line' includes or does not include adjustment value of
trim switch.
For this setting to take effect, the Trim field for the relevant input must be enabled on both INPUTS screens and MIXES screens. |
| Curve |
Specifies a reaction curve that determines the output value for the input value from the Source.
Input value is converted according to the curve (function) specified here.
For details, see
MODEL CURVES screen explanation / How to use curves
.
MODEL CURVES screen explanation / How to use curves
|
| Modes |
Specifies the flight mode in which this 'line' is enabled.
If nothing is specified here, it will be enabled in all flight modes.
Flight mode is set on FLIGHT MODES screen of MODEL menu.
How to use flight mode / How to use trim and global variables
|
| Switch |
Specifies the switch to enable this 'line'.
It is always enabled when nothing is specified here.
* Do not specify Switch when you do not want to assign multiple 'line's to this channel. |
| Warning | You can set it to beep when this 'line' is enabled. You can choose from OFF or beep pattern 1, 2, 3. If you specify a beep, the beep will continue until this 'line' is disabled. |
| Multiplex |
Specifies how this 'line' affects the valid 'line's defined above this on the same channel.
If you select "Add ("+=" or
)", the input value of this 'line' will be added. However, if you specify a negative number for Weight, it will be subtracted.
If you select "Multiply ("*=" or
)", the input value of this 'line' will be multiplied.
If you select "Replace (":=" or
)", it will be replaced with the input value of this 'line'.
See Assign multiple inputs to one channel and mix them for multiple 'line' assignments. |
| Delay up/dn |
When the input value of this 'line' changes, you can delay the time to output it.
For example, this function can be used for timing adjustment when the values of multiple channels are changed in order by shifting the time with a single switch operation.
The delay time when the value increases is specified in "Delay up" field, and the delay time when the value decreases is specified in "Delay dn" field. Specify how much to delay in "seconds". You can specify a range from 0.0 seconds to 25.0 seconds. |
| Slow up/dn |
When the input value of this 'line' changes, you can delay (fade in / fade out) the change speed in its output value.
This function can be used when you need to slowly transition to a new value, for example when expanding a flap.
The rate of change when the value increases is specified in "Slow up" column, and the rate of change when the value decreases is specified in "Slow dn" column. Specify the time to transition from -100% to + 100% in "seconds". You can specify a range from 0.0 seconds to 25.0 seconds. |
You can set color display / touch panel model in the same way.
Select "GV" button if you want to use
Global Variables
for Weight, Offset, and Curve arguments.
If you select
(Settings)
icon on the screen above, you will see a screen like this.
Additional parameters can be set.
Assign multiple inputs to one channel and mix them
A channel can be assigned multiple inputs (= 'line's) that define different devices and settings.
You can then weight each one and mix them using operations such as addition and multiplication.
You can also enable / disable each 'line' with a switch.
In the example figure, three 'line's named "ELEV00", "A-1", and "THR-00" are defined for channel 2, with a Weight of 70, 10, -20. And for "ELEV00", "A-1" is added and "THR-00" is multiplied. Furthermore, "THR-00" is valid only when SB switch is down.
Weights are shown in bold for currently enabled 'line'.
Press and hold ENTER key on MIXES screen to display a menu like this.
You can insert a new 'line' by selecting "Insert before" or "Insert after".
You can assign multiple 'line's to one channel.
)" are enabled, the value of the last defined 'line' will be used.
When all 'line's in that channel become invalid, the output value will be median value (0).