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TANDEM X20

March 31, 2021FrSkyDownload, TANDEM SERIES, TRANSMITTERS
MANUAL
OS FIRMWARE-ETHOS
RF FIRMWARE - TD Module
FLASH / SD Card Content
MANUAL
Filename Details File Size Download
Manual UpdateTime  :  2022-03-04
Version:  20220304
3.91MB DOWNLOAD
ETHOS Operation Manual UpdateTime  :  2022-03-14
Version:  Rev2 (Ethos v1.1.1)
7.48MB DOWNLOAD
OS FIRMWARE-ETHOS
*Check the latest info & FW update and more details of ETHOS here: https://ethos.frsky-rc.com/
UpdateTime Version Note File Size Download
2022-03-14 1.1.1 1. Lua support added (Widgets / Tools / Sources).
2. New Model Select screen with custom folders support.
3. Configurable UI theme color.
4. System/Display and System/Sound merged into System/General.
5. Trim step maximum increased.
6. Trainer channels individual switches added.
7. On USB plug the user is prompted for the class of connection (Joystick or Serial for now).
8. Emergency Mode fixed when using 9 conditions in Logic Switches.
9. SD Card speed increased for X20/X20S.
10. Other system improvements.
4.89MB DOWNLOAD
2022-01-20 1.0.19 1. TDMX receiver support.
2. Fixed some minor bugs.
4.37MB DOWNLOAD
2022-01-07 v1.0.17 1. RTC battery fix: it consumed way too much when the radio was OFF.
2. Flight mode deletion not being handled correctly resulting in bad FM assignments.
3. Avoid opening and closing Logs at full speed when 2 WriteLogs functions (or more!).
4. Logic Switch Range display fix.
5. Timer countdown edit fix.
6. Ail=>Rud mix fixed on V-Tail models.
4.36MB DOWNLOAD
2021-09-30 v1.0.11 1. Emergency Mode freeze fixed.
2. Up to 100 logic switches limitation instead of 50.
3. Failsafe conversion fix.
4. System events added in Switch selection.
5. DIY sensors support added.
6. RSSI max is now 115 instead of 100.
7. Many improvements on sensors and UI.
8. CN/CZ/DE/EN/ES/IT/PT/NO/PT/HB translations are supported now.
9. Some minor bug fixes.
4.17MB DOWNLOAD
2021-07-28 v1.0.9 1.Logic Switch “Edge” option added.
2.Bluetooth Trainer / Trainee function added.
3.Portuguese/Spanish translations added.
4.Fixed model conversion between radio X20&X10.
5.Throttle mix bugfix, trim was applied before weight and curve.
6.Model Select goes under Model Menu instead of Radio.
7.More backlight wakeup options.
8.Various bug fixes and improvements(Telemetry,Logic Switch…etc.)
9.UI optimizations
2.97MB DOWNLOAD
2021-06-11 v1.0.7 First Release 2.86MB DOWNLOAD
RF FIRMWARE - TD Module
UpdateTime Version Notes File Size Download
2022-03-30   TD 2.2.1 1. Fix telemetry being sometimes unstable in TD mode.
2. Fix the abnormal 900M power output after switching between ACCST/ACCESS/TD modes.
 223KB DOWNLOAD
2022-01-29   TD 2.2.0 1. Add support for the TDR18 receiver.
2. Fix SWR issue with v2.1.15.
3. Improve the stability of the telemetry system.
Note: Please upgrade the Tandem receivers to 1.0.7 or above accordingly.
 225KB DOWNLOAD
2022-01-07   TD 2.1.15 Fixed an issue that could cause abnormal status due to frequent switching of rf modes.  223KB DOWNLOAD
2021-09-29   TD 2.1.14 1. Fixed RSSI value was limited to 35.
2. Power self-adaptation in 1W mode.
 223KB DOWNLOAD
2021-07-28   TD 2.1.9 1. Fixed Ranger9 series failed on working after OTA updates.
2. Fixed the issue that under FLEX-868 mode,2.4G RF doesn’t work in LBT mode properly.
 219KB DOWNLOAD
2021-05-29   TD 2.1.8  1. Fixed the failsafe issue.
2. For FLEX-868 firmware,2.4G RF will work in LBT mode.
 219KB DOWNLOAD
2021-05-17   TD 2.1.7 1. Fixed telemetry frame loss when working with some Ranger9 series receivers.
2. Corrected display of SWR data source (Rx0 ->TX).
 217KB DOWNLOAD
FLASH / SD Card Content
UpdateTime File File Size Download
2022-03-14 Flash Content 918KB DOWNLOAD
2022-03-14 SD Content  128.86MB DOWNLOAD

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