Betaflight GPS Rescue Configuration (my best settings)
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- Опубликовано: 22 авг 2024
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Let's go through Betaflight GPS Rescue configuration and I'll show you my best settings, as well as explain what all the settings do and which ones you might want to change.
My Flywoo Explorer LR 4" review is:
• Flywoo Explorer LR 4" ...
My iFlight Chimera LR 4" review is:
• iFlight Chimera4 combi...
Links to the Baby Croc and Shocker videos will be added here when they release (sorry -- they're not out yet if you're reading this).
How to wire up GPS and configure Betaflight to use the GPS:
• Betaflight GPS Rescue ...
One thing to consider (what I do on all my GPS quads) is set the aux for the flight mode in the channel fallback to angle mode. So when the first failsafe stage triggers, it puts the quad upright and sets the antenna in the most optimal position and most likely regain rc link and prevents the second stage to trigger.
That's a great idea
How to do this if it is 3 position Aux switch?
@@X2deff Not a physical aux switch but the aux channel which is used for flight modes in the channel fallback in the failsafe tab in betaflight.
@@13FPV I have set it to Channel Fallback Settings AUX 3 ANGLE, HORIZON set 1800 is it correct? On that channel i have angle and horizon mode. Should i leave angle mode only?
@@X2deff set the value to the value where it's in angle mode. You can see the value in the modes tab.
Wish my teachers in college were this good.Thank you!
Tell me about it!
Missing 2 things in this video
When gps rescue is active and at the time your back in control, you need to imput at least 30% stick movement to get out of gps rescue.
And for the people using li ion packs, you really want to set your max trottle lower. Good chance that you will pull to much amps and kill your pack.
👍👀🇭🇷
That’s a good point. So will the copter remain in auto return even after it regains signal? If you moved the sticks > 30deg while the signal is still out, will this disable auto return? I presume from your post that you will only regain control when both the signal strength has returned AND the sticks are moved > 30deg, but just wanted to double check that this is correct
@@PIDtoolbox if you don’t have signal the quad doesn’t get the stickcommand and will stay in gps recue.
Thanks, Ben! 👍
Good call, Sony VT6 18650 4S packs can handle 30a draw but my FlyWoo Hexplorer may pull more than 40amps at full load and throttle. Gonna want to take care of these $40 li-ion packs. I do like the ability to fly down to 3V/cell
Just a little tip. I was working with getting GPS rescue to work on one of my quads, using the Radiomaster Zorro as my controller. The G and H momentary buttons on the bottom of the controller are perfect for this. I set the G button to activate "failsafe" when pressed, and the H button to activate "GPS rescue". This worked great. When I pressed and held the right button (H) the quad would execute the return to home sequence, and when released the quad returns to manual control. The left button (G), when held for longer than the threshold time, initiates a failsafe. The quad switches to "GPS rescue" and begins to return to home. It continues in GPS rescue mode until you take over and move the sticks.
Can you get me a shot of your betaflight settings for this? I have a tango 2 and it has perfect buttons for this. Thanks.
When I lost my vtx signale (RX still fine and connected) do i have to press "rescue mode" manually or it will automatically switch to failsafe?
Do the "rescue mode" switch automatically back when vtx signal is back? Or do i have to setup always a aux for rescue mode? Thx for support
Thanks for sharing.
I have a different radio so that is not what i want to ask you about. What i like to ask is:
Can you maybe explain to me why i should set both "gps rescue" and "failsafe" in the modes Tap to work when the first triggers a return to home and the second also?
I feel like in my case i can just only use the failsafe mode sinds when in failsafe, it activates gps rescue.
I dont really see the point of setting both modes unless for example you like to drop the quad when you lose signal, but you like to play with automatically comming home via gps rescue.
Kind regards,
Arthur
@@XPSyan when the RX is still fine and only lost vtx video then you have to trigger the failsafe/gps rescue yourself.. so therefore you also have to disable it again yourself..
Hi Joshua, manual switching turn off GPS rescue isn't necessary for freestyle or bando, because there is gps_rescue_min_dth parameter. I set this parameter higher (over my freestyle distance) and GPS rescue is ready for long range flight only. For short distance there is drop mode only (under min_dth).
BTW: Many thanks for you job. Greetings from Czech republic.
👍👀🇭🇷
If using a crossfire module always make sure to set it to failsafe "cut" for this as well.
Great tip! But can I ask why? Newbie here. Tks! 🤙
@@armani007E55 it tells the fc that it wants it to handle the failsafe
You don't need to do this. As long as your crossfire RX and tx fw isn't ages old, the FC takes over in telling your crossfire what the failsafe protocol is .... Tested & true 👍
@@califpv thanks man, just got a flywoo hexplorer so I'll keep your suggestion in mind when figuring out the pre-flight set-up.
You can activate or deactivate GPS rescue through the OSD display on your goggles.
Set it like setting up smartaudio.
Adjust your failsafe settings to suit your flying environment.
I am using BF 4.2.2.
I just finished my first 5 inch build thank you so much Joshua Bardwell your videos were so helpful could not have built it without your videos also i used your ESC and flight controller thank you man
Just starting in this hobby and I have to tell you your presentations on the channel are top drawer. About to build my first FPV Drone and without your channel it would be a lot harder. Well done Josh keep it up.
@@brigfiche Good advice! I always have FPV related stuff playing on computer in background. You never know when something interesting will come on. Should "Learn Something" every day.
Thanks a lot for making this. On the fence about buying a Flywoo Explorer and this pretty much sealed the deal by helping me wrap my head around this FPV kind of GPS rescue.
I think you’ve just found the perfect workaround for being able to fly freestyle with gps rescue temporarily disabled. At 4:33. Enable allow arming without fix. If you’re only going to do some freestyle then arm your quad as soon as you plug the battery, that way you won’t have 8 satellites for sure and gps rescue is disabled for the whole session (yeah of course if you disarm and in the meantime you got 8 or more sats then when you arm, gps rescue will be enabled). On the other hand, if you’re flying long range plug your battery and wait for 8 satellites before arming, this way gps rescue is enabled. :))
In 4.3 - "current altitude" will include a configurable buffer. Like "current altitude + x meters" which I really think most people will want. Like, current + 35-50m (although the default is 15m). Mid/long range you just can't go too far behind obstacles before blackout, so ... i really think 95% of the time this would be the option instead of max alt.
Great video. I’ve been slowly taking my DJI FPV 4” to it’s range limits now that I have a reliable GPS unit installed, the iFlight unit. My previous TBS M8 unit sometimes would get a lock in about a minute and other days I could fly for 20+ minutes and never get a single satellite even on a clear day.
hi, do you know if the installing procedure on a digital drone using dji fpv system is the same? i've got a nazgul 5 with dji system.
@@manfredifronzoni its the same.
You can change the GPS Rescue settings in the OSD anytime man
Not with the dji fpv unfortunately :/ i always carry a small speedybee Bluetooth adapter to figure out this kind of situation
@@lucasfoussier ooh, crap. So you can't have both. all right then, just analog osd 👍
Lua scripts I’m pretty sure can do it via telemtry
@@gautamkrishna7421 you have all my attention, which protocol is used? Msp?
@@lucasfoussier It’s just normal telemetry - I’m using frsky r9m. I just set up smart port and then used the betaflight lua script on my radiomaster tx16s to change the settings. I haven’t flown in a while but i remember there was a tab called gps rescue in the menu
Was just thinking... and please correct me if I am wrong. (I'm not the sharpest tool in the box) if we lose rx signal and the gps failsafe kicks in and we have selected "yes" to sanity checks either it will return or fall to the sky.
With control links such as CRSF it's more likely that we will lose video before we lose RX. So when this happens we have to manually activate gps rth.
If this happens when we have selected "failsafe only" as you suggest then the Kwad will either return to home or simply keep flying. If the latter occurs then at the point our video fails we may be able to get the gps coordinates but they could be very wrong as the Kwad could be still flying and eventually land along way from the gps coordinates.
Therefore I believe the safest option to be to set "yes" to sanity checks! Either it will fly home of fall straight to the ground directly where the gps coordinates in our osd indicate.
Don't forget you can quickly change your failsafe procedure through OSD settings.
Very good. The one thing missing though is which failsafe approach to use in the receiver. You can set it to activate GPS Rescue mode on failsafe via aux channel position. Or.. set the receiver to "cut" all channel outputs which then triggers GPS Rescue at the flight controller. The preferred method may be debatable. But setting the receiver to "cut" might be the safest option.
Always use Cut in the receiver and configure failsafe in the FC.
@@JoshuaBardwell That's how I have mine I believe. But why not the other way? FC may not know it's in a failsafe condition. But if the receiver triggers GPS Rescue, does it matter?
Its 3am and i am building a quad, decided to add GPS to this one. Having some Betaflight issues with it.
Step One: Spend money on the parts
Step Two: Wait for parts to arrive and while waiting for parts to arrive not purchase more parts to cure the boredom of waiting for parts to arrive.
Step Three: Delivery Day, Prepare self and the area where you will be doing the "unboxing:
Step Four: Explain To wife it was needed like a gallon needs milk
Step Five: Prepare for the build
Step Six: Three hours into the build and GPS not working, Go to fridge for beer
Step Seven: Open RUclips, Open Joshua Bardwell, Search GPS and Betaflight Settings, Watch video
Step Eight: Fix and Fly
I am at step #7 and i have to say Joshua, I am sure i speak for many pilots and you should write a book, FPV for dummies, even though i have built countless birds i still feel like a dummie when it comes to how many times you have saved our BUtts from frustration and lead us to Salvation.
Joshua, Thank you, I bought a shirt and I will wear it Proudly!!!
Joshua, you are a FPV tutorial dream my friend. My quad fell from the sky while testing the GPS Rescue mode the first two times. I think you just solved my issue with Sanity Checks....but now its too dark and too late to try it. Fingers crossed 🤞
This is such a good video. I refer back to it from time to time as there is some quirks to Rescue I always forget.
Connect your GPS unit to a supply powerd by FC USB i.e 3.3v and use a OTG cable to smartphone with the Speedybee app
this will get you a faster initial GPS fix ! Allow arming with out fix and use this as your GPS rescue On/Off switch, i.e just arm straightaway before min satellites( GPSR/OFF) or wait for enough satellites then arm(GPS/ON).
You could also set up an Aux switch or VR to call out satellites and beep the number of sats the GPS has found, this is handy as you
can have your smartphone connected to your quad and your TX will beep out the number of sats when the GPS has aquired them.
The advantage is quicker fix, you are not cooking your VTX and you are free to do other things while waiting 😁...
Its so much easier than standing there with your goggles on staring at your OSD, with your VTX cooking....!
👍👀🇭🇷
Hi Josh Great new video on GPS. I have just finished watching your video on GPS you did two years ago and I am finally figuring out INAV and RTH , but I didn't know what Betaflight was doing. I just purchased the Flywoo Explorer and was looking for some videos on how to set it up. Thanks for the remake.
You need to do this update in real time, with a quad, testing the settings to show what works with a particular setup. Ie, weight of quad, height of terrain, show the speed in kph/mph etc. Things that ppl can get a real world fix on. Keep up the good work JB!
Just want to say thanks JB! First FS today, thanks to this video I still have my bird. Worked perfect!
I know someone has done this but you should make a complete guide or classes that you can buy. It would save me so much time. I know RUclips is free but to have your knowledge of drones etcetera as a comprehensive structured guide would be worth buying.
ruclips.net/video/-MlGQXjuJE8/видео.html
@@JoshuaBardwell I actually checked it out and watched the intro. Your right, those guys did a great job.
Important to note that if you disarm at any point during your flight (need to turtle mode or land a sticker on top of a water tower) then your HOME position is reset to that new position. Great video JB!!
There is a Option in the cli to change that.
Sonething with gps_home_arm_once Set this to in and ist will do the homepoint Set jusT at the First arm
@@clemensblakiewitz1025 Excellent. thank you!!
I'm a huge fan of using a three-position switch for the GPS Rescue Manually engage capability, and having Angle mode as the middle position - makes getting to that much better, and setting the Stage1 failsafe to stabilized mode can be kinda nice, particularly because it lets me manually switch to that mode and not get a quad that is constantly swapping between RTH mode and Acro mode
This sounds like a great idea. I'm trying to set up RTH for the first time tomorrow
@@opossumfpv Make sure you are using something older (i.e. don't flash a nightly or RC5 for this.
@Joshua Bardwell - the 'hack' version of disabling it without anything else is to just rapidly arm-cycle the quad, and enable 'Arming without GPS fix', because you can usually beat the hot-start on most cheap GPS units that way, and get it to arm without that fix, which disables GPS RTH through a backdoor setup.
I prefer this procedurally, because I can't forget to re-enable it the next time I take the quad out for a flight.
Hi Joshua, I have set the the stage1 failsafe to enable angle mode, not GPS rescue, this will enable in stage2.
So the quad will go to level in stage 1 and then 0.8 seconds later to GPS rescue.
GPS rescue won't enable if you are upside down.
If I have an failsafe I try to immediately enable GPS rescue using the switch, so I can disable it when it is safe and not when I get the link back
This is an amazing video. So much info packed into 16 minutes.
I like the idea of it not falling into a fenced in roof zone .
Thanks, Joshua, very in time! I am just planning to fly away on my flywoo explorer
Joshua, I turn my GPS on & of in the goggles using the OSD I have been doing this for a long time and never had a problem.
Me too 👍👀🇭🇷
u can turn it off w a switch, extra hardware is needed tho. using the Pwm output for servos on betaflight and using a simple transistor can allow u to basically cut a circuit to gps & u only hav to configure it as servo on Betaflight.
Cant you change the failsafe settings in your OSD? I've always seen the failsafe option in the OSD.
Yeah, I'm pretty sure you can. I have turned GPS rescue on and off in the OSD menu before.
@@Perforator2000 How do you do that?
Go into the OSD menu, select features, then failsafe, then procedure, and choose between drop or GPS rescue.
@@isaaclanier1507 I replied but forgot to tag you in it to make sure you see it.
@Stefard D’Souza DJI FPV systems cannot adjust OSD settings
The latest version of iNav 2.5.2 is buggy, crashed my newly built 500mm Alien 6S3P long-range quad and dropped my FX-61 on the side of a wooded mountain never to be found again, by me at least. On the FX-61 the firmware started glitching then did a random disarm and that was all she wrote. The quad freaked out in NAV modes and subsequently become uncontrollable in any mode. Moving everything back to Ardupilot but considering Betaflight for a new long range quad in order to reuse the Matek F722-SE flight controller, which can't use Ardupilot. Glad to see Betaflight is improving it's RTL features to give the "other" multirotor pilots a few more options.
Well damn, I’ve got some settings to change, thank you!! 🙏
Why do any of these videos have dislikes.... Love this stuff, so incredibly helpful.
Joshua, more than I knew I needed to know. Thank you
Thanks Joshua. You are the king of teaching ppl. 👍 Happy Flying brother😁
Thank you for this great tutorial/discussion of the GPS rescue settings
You can't even go below five satellites for a lock, it's the minimum value at least in 4.2 ...
Oh and thanks for the great updated overview.
Hi jhoshua, nice video as usual very useful. you perhaps forgot to mention the importance of the last values you selected in relation to a fundamental element, that is the battery. it is very important to consider as in the case of the long range (because a gps is really excessive to freestyle at 500mt) that you have to consider the throttle and angle values as well as the ascent or descent value. the recovery from gps has no sensitivity on the battery level and this means that if we are at 50% of the lipo and the rescue is set wrong the drone is capable of consuming a lot of battery on the rise. both for the altitude and for the speed with which it rises.
Thanks for the video Joshua! Crazy helpful as usual. You're a godsend for beginners brother!
Thank you so much you just answered me a lot of questions. I was wondering why gps rescue won't work because i were flying closer 🤣. Thank you so much. And sorry for my last comment.
Minimal number of satlites to establish position is 4. It is phyhically condiotn (in 3d space you need 4 points to establish positon) :)
an update to this video: You now CAN turn GPS rescue on and off. not sure if it can be done on an aux switch, but it can be done on the osd under features->failsafe
You know that you can set it up in the osd?
Just a question. What if after gps rescue kicks in. It flies back to the home point and you don't take back control? Does it fly around in circles or just dump on the ground?
Eventually it just crashes.
Thank you Joshua this great video, I want to upgrade the firmware and try this setup on my 7 inch quad on this weekend. Happy Fly!
Who else was looking around their Laptop when they heard the USB sound??..Thought i was going crazy lol.
Bardwell is always doing that to me. he's usually on in the bg when I'm playing in betaflight and I always think I lost communication. I'm sure its intentional lol
Great video, Joshua! Thanks a lot! 😊
Stay safe there with your family! 🖖😊
I have a question , if I’m flying out at a km or so and my DJI video drops out but still has crossfire link what would be the best thing to do ? Would I be correct in thinking that a aux switch set for rescue would be the way to go ?
That's how I do it. Works well. 😍
@@LumpyFPV oooh I have DJI and crossfire tango, are you able to share me your settings on beta flight not sure how I should set up gps rescue, even failsafe is not set up I think. It’s straight out from the box
@@LumpyFPV I'm gonna be setting this up tomorrow 👌
@@opossumfpv heck yeah bro! I just used my rescue switch today when I lost video, it's fannnnntastic.
@@LumpyFPV back in february I lost video and never recovered the quad & gopro.. I've been paranoid ever since 😂 - excited to get this set up
Does anyone know how to find the right throttle value for hover? For example if i use the same battery always - how do i determine that value for the throttle during hover? Thanks.
Joshua - Thiis is a 4" inch drone
Windows - *nope i am out bye*
Joshua - and in the back is a 5" inch drone
Windows - *ok nvm we back lets goooo*
I'm subscribing, you know your stuff!
2:23 yes, you can change it to drop in bf OSD failsafe, very easy, before you fly in a bando. 👍👀🇭🇷
PinIO the power to the GPS unit 👍 on off done
You read my mind I am getting ready to do this exact thing this weekend. Thanks
Yeah we all needed this one with all the long range quads coming out
Thanks, JB! I needed this update.
the OSD lets you change failsafe modes quickly
thanks for the great video,,,,my question is when u set somthing in the modes tab ,,whats the difference between high,med,low is there a difference in where u set the yellow tab ,,,, if so why ??????
Josh I set mine like you said to allow takeoff before the min sats are locked and that way if I am flying around a bunch of trees i just take off before i get a lock , out in the open i have to wait for the min sats and then it climbs to my set height and returns , kinda a mental on/off switch for gps rescue which as you get older can be a scary thing
enabling Arm without fix...so if you arm you qad with no gps fix,gps is disabled
Thanks!
Very helpful video Joshua!
How do you get back control in order to land it?
The controller should reconnect when the quad gets close. If the controller does not reconnect, the quad will crash near the home position.
@@JoshuaBardwell Thanks Joshua.2 questions. Should I disarm and arm again in order to take control or will automatically connect again? And again if I have a switch for gps rescue, after switching off, will I take control instantly or I need to disarm/arm right away?
You should not disarm and arm again.
When the RX reconnects, the FC will continue to fly itself until you deflect the sticks more than I think 15% is the setting.
So when you hear "Telemetry Recovered" from your controller, or however else you know you got the link back, then start moving the sticks to take control.
@@JoshuaBardwell thanks!
YO JB another informative video! Thank you. What do you think about the new M9N 5883
Very helpful! Thanks, Joshua!
To work out hover i need throttle rpm but my OSD shows percentage. Is there an OSD option for rpm? Also, how do you regain control again during rescue and does that procedure change whether it's a stage 1 or 2 failsafe vs a manual aux switch rescue test?
Thanks for clearing this up for me.
If you try to arm without a GPS lock you get a different beep sequence (if you've ticked the box for allowing it) that's the way you know if you have a lock or not.
I've taken GPS rescue off my quads, if I loose video I just disarm, I don't fly any further now than I'm prepared to walk (or have easy access to) so if it falls in the ditch at the end of the field I just need to walk to get it.
Out of curiosity, why cant you wire a manual switch into the 5v line of the gps?
And a little weirder is it possible to use a transistor with a pwm servo signal to the gate and use that to make a remote switch?
Thanks Joshua for all explained stuff! I'm having a difficult to arm my Evoque with GPS failsafe OR a switch sets to activate back to home GPS function. I've checked that all 8 GPS signals are on (14 actually) before fly, and apparently all other settings are able to fly. Could tell me some tricks about how to arm my quad with GPS rescue function turned on? Thanks!
14 Satellits is shown when none are connected (at least in DJI goggles) - so if GPS is showing 14 Satellites but you didn't watch it count up slowly to get there, you are likely to have zero satellites and need to wait longer or check setup.
GPS Rescue will work only if you flying not clother than "Desc distance". If you clother, then quad will drop.
You got me, you learned something in ma brain !
Hi JB I love the videos I'm stuck on the part where you are putting the GPS aux 4 to set point of 1800 should I apply this I'm going to be flying around mountains? Thanks
Thank you!
I set my failsafe stage 1 to goto angle mode. Figure atleast it will level out .. thought about raising the throttle a lil to get altitude and maybe signal but im afraid it will take off if I end up running a small battery lol then come crashing down at a high altitude. I normally fly real low
Thanks for the video
perfectly clear m8! THX !!!
about that Explorer, did you fly the Crocodile Baby 4" as well? couldn't find it in your video's!?
Great info Joshua!
Great vid u got most of things covered but this crash after it fly home have u tried it? Seen a guy do this with tyro119 I think n it would just fly above home instead of crash landing. I’m gonna have to try this ones my corn field is gone
I am a full-scale newbie and already learned a lot by watching your videos since I started building my first drone last week. My question is, can you make a video on the concept of 3D printed drone frames and explain the ups and downs? Thank you again...
Thanks for this !! Much needed
The failsafe mode is configurable in the OSD menus. So you can enable or disable GPS Rescue failsafe at any time in the field - no laptop required. This has been available since BF4.0!!! So not sure why people keep spreading this incorrect information.
And before people complain that they "can't change that setting in the DJI goggles...", then complain to DJI and ask them to add it. Or better yet, tell them to stop using the stupid OSD system they implemented and use the solution already provided by Betaflight called MSP displayPort that would allow the DJI goggles to work with *EVERY* OSD element and fully support the Betaflight OSD menus.
Hi Joshua thank you for your video! I have a question for you: in every quad I have, when I start gps rescue, when it comes back to me it doesn't travel smoothly but it make a lot of jump. (is not a fluid travel)
Have you any solution for this problem? thank you very much and happy new year!
I don't have a barometer on my FC and have set the failsafe mode to default settings,set failsafe on a aux switch Will the quad come back from 100meters getting 13 satellites
My quad's sanity check is "failsafe only". The quad is sitting on the home point ground armed. I flick the gps rescue switch and it starts flying. Since the quad is at the home point i.e. min dth less than 100m, shouldn't the switch do nothing at this point?
I have question on how to configure well my new GPS. Because at my firsts tests I made yesterday and today, I had a lot of troubles during tests. I was not able to have control of my quad when I truned of the failsafe switch. Sometimes the quad was disarmed by itself during failsafe switch test. During a test without props, the GPS rescue mode turned on correctly but I had two warning messages after the quad disarmed itsefl because of time to have radio signal again. One was NOPREARM. I guess that's normal as I turned of my PREARM switch. Do we need not setting PREARM switch if we use GPS rescue ? The second warning message was RUNAWAY... What does that mean ? Does that mean that the quad is considered too far and it runaway ?
Thanks 👍🏻
I'd like to learn how to nav a preset route via waypoints... if that's even possible?
Not with Betaflight no.
When arming without fix, can you disarm in the air after being locked in to 12 satellites? Then arm and have a home point set in the air near yourself..?
Yes I needed this
Hello, I would like to ask you for a courtesy, I have set the gps rescue on an analogue 7 lr kimera, also putting the minimum number of satellites at 5 or 8 the quad does not arm itself, yet on the glasses I see that there are 20 satellites hooked up .. .to make it arm it only works with the drop function ... why? Thanks waiting for your reply ... joe
Thank you for sharing! I still have a question about the use of failsafe and GPS rescue mode. I saw someones indicating to use the same aux to two modes, using the same switch, same aux, the first position to activate failsafe and the second position to activate the GPS Rescue. It sounds crazy to me, and I am not sure about this process. I scared to test this setting and my drone ... Go away! Salute from Brazil, and anticipated thanks.
Maybe it has been answered in this video or elsewhere, but I never realized until this week (newbie) there was a "land" option for failsafe in Betaflight. Is there any reason why this shouldn't be the defacto setting over "drop"? Wouldn't that give you best chance of not obliterating your quad if you failsafe over concrete?
what is the best gps module? also the usb noises made me check my pc XD
Thank you! Buying the gps module rn)
What happens if you failsafe above the GPS rescue maximum altitude? Does GPS rescue fail a sanity check and does the quad then drop?
Now the throttle hover setting. Does that mean hover at speed? Or hover in place?
Thanks just got a gps drone and it wasn’t arming. Finally occurred to me that gps doesn’t work indoors.