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MODEL DISPLAY screen explanation : How to display telemetry etc. on the radio screen

This section describes how to use MODEL DISPLAY screen of OpenTX / EdgeTX radio.

Custom telemetry screen

Telemetry view screen
OpenTX/EdgeTX radio has a "custom telemetry screen" that can display telemetry , sticks, switches and other information while piloting, as shown in this picture. This screen can be called up by pressing [TELE] key or pressing and holding [PAGE] key while main screen is displayed. The procedure for calling this screen differs depending on radio. There are 4 custom telemetry screens in total, and you can switch screens by pressing [PAGE] key.
MODEL DISPLAY screen allows you to specify what to display on this custom telemetry screen.
Telemetry view screen
In addition, on the color display/touch panel model, you can place widgets on the main screen to display your preferred information. See below for details.

Display type of custom telemetry screen

Display type of the custom telemetry screen can be selected from the following three types.
Nums (Numbers)
PC Display data numerically. In the case of a radio with a screen resolution of 128x64 pixels, 3 rows x 2 columns, total 6 data can be displayed.
Bars
PC Display the data as a bar graph. In the case of a radio with a screen resolution of 128x64 pixels, 4 data can be displayed. The 5th line shows RSSI.
Script
Start the Telemetry type Lua script stored in radio's microSD card and display execution result. The screen changes depending on Lua script that is started. Lua scripts should be stored in "/SCRIPTS/TELEMETRY" folder of microSD card in advance.

How to operate MODEL DISPLAY screen

PC If you open "DISPLAY" screen from "MODEL menu", the screen will look like this. Move the cursor to [None] displayed to the right of "Screen 1" to "Screen 4" and press [ENTER] key to select display type of the custom telemetry screen . If you specify "None" for the display type, the screen will not be displayed.
PC If you select "Nums (Numbers)" as the display type, screen will look like this. You can select data to be displayed on custom telemetry screen by moving cursor to "---" under string "Screen 1" to "Screen 4" and pressing [ENTER] key.
You can specify data to be displayed includes "inputs" defined on INPUTS screen , physical devices such as sticks, switches, and dials (Pot: Potentiometer), MAX (a constant that always returns 100), Cyclic (defined on the Heli Setup screen), trim switches , channel values, global variables , time, timer , telemetry , etc.
When you select Telemetry as the data to display, in addition to the telemetry name (eg RSSI), the name with "+" appended (eg RSSI+) and the name appended with "-" (eg RSSI-) is also selectable. A name with a "+" indicates the maximum telemetry value, and a name with a "-" indicates the minimum telemetry value.
PC If you select "Bars" as the screen display type, the screen will look like this. You can select data to be displayed on custom telemetry screen by moving cursor to "---" under string "Screen 1" to "Screen 4" and pressing [ENTER] key.
Specify one data per line. Specify the name of the data in the first field, the minimum value to display in the second field, and the maximum value to display in the third field. A bar graph displays between the minimum and maximum values.

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