Jeti DS-24
11-01-2017, 06:25 AM
#326
I think my real point was that the 900Mhz is a "fail over" link and really doesn't do anything until 2.4Ghz stops working. Adding a 900Mhz receiver as a second rx isn't the equivalent of having a combined 2.4Ghz / 900Mhz dual path setup where 900mhz will fill in frames here and there if your Q drops below 50% or something like that. The 900Mhz receiver doesn't even output data on a regular basis until 2.4Ghz gets below some level which seem to be close to a Q of 0. This is indicated by checking the PPM stream coming out of the 900Mhz rx and seeing that it seems to only send data approximately every 100ms or so while 2.4Ghz is active and servos directly connected to the 900Mhz Rx operates very erratically.. As soon as the 2.4Ghz link fails or is disabled, the huge gap in the PPM stream from the 900Mhz rx disappears and servos get updated smoothly.. What isn't clear is how this behaves when the 2.4Ghz link is bouncing around between a Q of 0-20% rapidly due to interference and that was my concern.
11-01-2017, 06:45 AM
#328
Is the 900mhz RF section of the Jeti system also a frequency hopping technology? What i am asking is, do all DS/C transmitters use the same "channel" when failing over to 900mhz, or can there be an unlimited number of Jeti transmitters failed over to 900 and all have independent control of their RX and model.
Picture a mass foamy flight similar to a Joe Nall event where suddenly all 2.4 gets blasted by aliens, do all pilots still have independent control? or only a certain number? or all go boom?
Hope that makes sense.
Picture a mass foamy flight similar to a Joe Nall event where suddenly all 2.4 gets blasted by aliens, do all pilots still have independent control? or only a certain number? or all go boom?
Hope that makes sense.
Zb/Jeti USA
11-01-2017, 08:34 AM
#330
You have to look at this from 2 different point of views:
1) You want something (900) if the environment is to problematic for 2.4GHz, otherwise your model is history. Little bit of delay is better than splinters and large fireball.
2) This is all based on software. If community (Us/Jeti/Danny/Wayne...) discovers better way you are only firmware update from better solution.
Zb/Jeti USA
1) You want something (900) if the environment is to problematic for 2.4GHz, otherwise your model is history. Little bit of delay is better than splinters and large fireball.
2) This is all based on software. If community (Us/Jeti/Danny/Wayne...) discovers better way you are only firmware update from better solution.
Zb/Jeti USA
Good job guys and gals!!
Now send me my DS-24 already!!!
11-04-2017, 04:01 AM
#332
Was getting ready to pull the trigger on one of these things till I saw this - the right hand side of the transmitter failing? Thank god Gernot had a glider....
See at 4:00' and at 10.45'
Any German speaker can tell what happened here? Was it really transmitter failure of Jeti DC-24?
Tassos
See at 4:00' and at 10.45'
Any German speaker can tell what happened here? Was it really transmitter failure of Jeti DC-24?
Tassos
11-05-2017, 06:43 AM
#334
While I completely agree with you that it seems an unlikely failure there was a translated comment in the video that said something like transmitter unilaterally failed on one side or some such thing but I have no idea if it was translated correctly or if the person posting the video actually knew what really happened. I guess anything is possible as there is no such thing as a perfect system. I'm not going to worry about a single online video as there are similar videos around for pretty much every system in existence. Now if there are a number of similar failures reported that's a different story but I haven't heard of any so far.
Last edited by wfield0455; 11-05-2017 at 06:47 AM.
11-05-2017, 09:03 AM
#335
Sorry hard to comment we never ever had anything like this or even heard about something like this happening since we start selling DC-24
I heard from Gernot and Jeti about some defective 3rd. party telemetry device that cased some problems overloading the data stream.
As a precaution Jeti issued 4.24 tx firmware update. It's simply next to impossible to test all devices in all possible configurations.
Jeti Firmware Updates
I heard from Gernot and Jeti about some defective 3rd. party telemetry device that cased some problems overloading the data stream.
As a precaution Jeti issued 4.24 tx firmware update. It's simply next to impossible to test all devices in all possible configurations.
Jeti Firmware Updates
11-05-2017, 10:33 AM
#336
My Feedback: (53)
While I completely agree with you that it seems an unlikely failure there was a translated comment in the video that said something like transmitter unilaterally failed on one side or some such thing but I have no idea if it was translated correctly or if the person posting the video actually knew what really happened. I guess anything is possible as there is no such thing as a perfect system. I'm not going to worry about a single online video as there are similar videos around for pretty much every system in existence. Now if there are a number of similar failures reported that's a different story but I haven't heard of any so far.
Last edited by Dansy; 11-05-2017 at 01:41 PM.
11-05-2017, 11:49 PM
#338
Change of backplate?
Hi,
Got my dark red Ds 24 and love it.
But I would like a clean backside and don't need the sliders/switches there. Is it possible to buy a new DS 16 backplate and disable previous sliders/switches?
Thanks Alf
Got my dark red Ds 24 and love it.
But I would like a clean backside and don't need the sliders/switches there. Is it possible to buy a new DS 16 backplate and disable previous sliders/switches?
Thanks Alf
11-06-2017, 07:20 AM
#339
Jeti Transmitter Replacement Back Metal Cover DS
Zb/Jeti USA
11-10-2017, 10:54 AM
#343
We need to pass one more difficult test and hopefully the bad stuff is over. Keeping my fingers crossed in next 72 hours, hard to type with the nose :-)
By the end of the next week we will have all pre-ordered radios stocked up here in Florida.
Zb/Jeti USA
By the end of the next week we will have all pre-ordered radios stocked up here in Florida.
Zb/Jeti USA
11-10-2017, 10:57 AM
#344
Jeti Central Box Updates
Version 1.09 for Central Box 400 Power Distribution Unit
This update brings additional option of adding third Jeti Duplex 900MHz or 2.4GHz receiver for triple dual band redundancy. The Central Box 400 supports additional receiver via Ext1 port using EX Bus protocol.
For proper function the transmitter device folder needs to be updated using new configuration file "CBOX400.bin".
Jeti Firmware Updates
Version 1.09 for Central Box 400 Power Distribution Unit
This update brings additional option of adding third Jeti Duplex 900MHz or 2.4GHz receiver for triple dual band redundancy. The Central Box 400 supports additional receiver via Ext1 port using EX Bus protocol.
For proper function the transmitter device folder needs to be updated using new configuration file "CBOX400.bin".
Jeti Firmware Updates
11-10-2017, 02:42 PM
#345
Jeti Central Box Updates
Version 1.09 for Central Box 400 Power Distribution Unit
This update brings additional option of adding third Jeti Duplex 900MHz or 2.4GHz receiver for triple dual band redundancy. The Central Box 400 supports additional receiver via Ext1 port using EX Bus protocol.
For proper function the transmitter device folder needs to be updated using new configuration file "CBOX400.bin".
Jeti Firmware Updates
Attachment 2244322
Version 1.09 for Central Box 400 Power Distribution Unit
This update brings additional option of adding third Jeti Duplex 900MHz or 2.4GHz receiver for triple dual band redundancy. The Central Box 400 supports additional receiver via Ext1 port using EX Bus protocol.
For proper function the transmitter device folder needs to be updated using new configuration file "CBOX400.bin".
Jeti Firmware Updates
Attachment 2244322