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Feb 08, 2020, 07:58 AM
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Jeti education


I am completely new to Jeti and considering it as a TX option coming from old JR and Graupner radios. Which web sites would get me up to speed about the different models and features, what may be better based on my preferences, explain RX differences and things like REX, etc? Also want to know which products support telemetry and integration with Jeti - I fly helicopters do that would be Flybarless units and ESCs mostly.

Looking for good sources of info to educate myself.

Thanks for sharing.
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Feb 09, 2020, 07:04 AM
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Is the DS-12 the lightest, and only plastic case TX at this time?

Does jeti offer a receiver that is small, a full 12-16 channels, but only has output for the signal and input for telemetry and not the servo ports? I am using FBL for helicopters and the servo ports are not needed and that size adds weight for small helis

What does REX, EX, and MUI mean?

Thank you for sharing.
Feb 09, 2020, 10:07 AM
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Quote:
Originally Posted by superfreak
Is the DS-12 the lightest, and only plastic case TX at this time?

Does jeti offer a receiver that is small, a full 12-16 channels, but only has output for the signal and input for telemetry and not the servo ports? I am using FBL for helicopters and the servo ports are not needed and that size adds weight for small helis

What does REX, EX, and MUI mean?

Thank you for sharing.
Something like the R3 should work for that.

REX refers to the new line of Jeti receivers, while EX would indicate the older model receivers.
MUI, refers to a JEti telemetry device to measure voltage and current so something like MUI30 would be such a device capable of handling up to 30 amps.
Feb 09, 2020, 11:20 AM
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Thank you . Is EXBUS like SUMD in other protocols/brands?

The REX3, not US approved, can carry the signal for a full 12/14/16 channels?

For flying Helis only, is there anything that the DS14 or 16 would have that the DS12 Ultimate doesn’t that I may want to use?
Feb 09, 2020, 11:34 AM
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Quote:
Originally Posted by superfreak
Thank you . Is EXBUS like SUMD in other protocols/brands?

The REX3, not US approved, can carry the signal for a full 12/14/16 channels?

For flying Helis only, is there anything that the DS14 or 16 would have that the DS12 Ultimate doesn’t that I may want to use?
Ex Bus is a serial protocol like SUMD but not compatible with SUMD. I THINK UDI is the same as SUMD.
While the newer REX3 is a bit modre flexible, as you say it's not available in the US. However the R3/RSW can be configured for UDI on port 3 and still have the EXT port free for telemetry inputs. If you needed more than one telemetry input you would need to add a hub to expand the number of telemetry inputs available

All Jeti receivers can send all channels out via a serial protocol such as UDI or EX Bus though UDI is a bit of a special case in that you need to know if you want UDI 12 or UDI16. The REX receivers can select either but for the R3/RSW and other older EX receivers UDI support defaults to UDI12 and if you need UDI16 you need to load a special firmware version that supports UDI16 instead of UDI12.. For a heli, i would think the default UDI12 should be fine.
Tehre are however some FBL units the have direct Jeti support and integration so you can configure them directly from the transmitter.
Feb 09, 2020, 09:03 PM
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Quote:
Originally Posted by superfreak
I am completely new to Jeti and considering it as a TX option coming from old JR and Graupner radios. Which web sites would get me up to speed about the different models and features, what may be better based on my preferences, explain RX differences and things like REX, etc? Also want to know which products support telemetry and integration with Jeti - I fly helicopters do that would be Flybarless units and ESCs mostly.

Looking for good sources of info to educate myself.

Thanks for sharing.
I don't have many of your answers but I left the Graupner transmitter line up last year and bought the Jeti DS-12 Deluxe in December, 2019. I have been using the JETI EX 4, 5, 6, and 7 channel receivers flawlessly. I read about 45 pages of the manual about a month before I got the DS-12 and pretty much have programmed everything without the manual....the radio is that easy to program!

The 4 channel EX if used for all for channels on a plane will require you to have a Y cable for the power and one of the servos. I think that James at Esprit flys helicopters so give them a call and I bet he can answer your questions.

This post is not much help I know, but just wanted to let you know that you can have a nice warm feeling if moving to the JETI product line.
Feb 09, 2020, 10:00 PM
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That is helpful. Nice to know someone has done what I am considering and share their experience- and its a good one.

Any issue with gimbal tension for throttle making it rough or notchy?
Feb 10, 2020, 06:02 PM
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The sticks are completely adjustable. Remove the backplate of the transmitter with a T6 Torx and follow the instructions. In a few minutes I had a smooth and tight throttle stick.

Instructions are on page 17 of the manual.

DS-12 Manual


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