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7205 9 2016-12-15
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Morfeus
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Hallo guys and DJI experts...I switch on my phantom 4 inside my office (naturally impossible to reach the gps/glonass signal) and saw on DJI GO 4 (IOS) two alternatives messages on the screen...
What's the difference between the green msg"Ready to go (NO GPS)" and the yellow msg "Ready to go (VISION)"?

I want to precise the vision positioning system on my phantom was switch on, on all the cases and I took the drone, not armed, on my hands.

Thank you!

2016-12-15
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Aardvark
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If there is not enough light in your office for the Visual Positioning System to work then it will show 'Ready to go (no GPS)', and it will swithc to 'ATTI' mode, i.e. no positioning. In this mode it will be prone to drifting about.

If enough light then VPS will work, and the bottom camera sensors will help hold the aircraft steady.

It is probably not a good idea to fly indoors until you gain a good bit more experience about controlling the aircraft and learn how it will react in different situations. Worth reading through the manual a couple of times, particularly the section on 'RTH'.
2016-12-15
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Nigelbrinkmann
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If you do fly inside, turn the OA off, if  is a smaller space you won't go anywhere indoors with OA on, as Aardvark
Says practice is most important
2016-12-15
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Morfeus
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Aardvark Posted at 2016-12-15 17:50
If there is not enough light in your office for the Visual Positioning System to work then it will show 'Ready to go (no GPS)', and it will swithc to 'ATTI' mode, i.e. no positioning. In this mode it will be prone to drifting about.

If enough light then VPS will work, and the bottom camera sensors will help hold the aircraft steady.

Thank you Aardvark.. what I'm asking to myself is why green color on Ready to fly (no gps) and yellow on Ready to fly (vision). If the first means the vision positioning is not full playing so the phantom could drift cause the poor light in my office, why it is not yellow? A friend says to have flyed in the same conditions with fully vision positioning playing. So... what really matters in the two cases mentioned?
2016-12-15
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Aardvark
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Morfeus Posted at 2016-12-15 21:36
Thank you Aardvark.. what I'm asking to myself is why green color on Ready to fly (no gps) and yellow on Ready to fly (vision). If the first means the vision positioning is not full playing so the phantom could drift cause the poor light in my office, why it is not yellow? A friend says to have flyed in the same conditions with fully vision positioning playing. So... what really matters in the two cases mentioned?

The logic is perhaps 'All ready to go' (Green), no GPS so switch to vision , now we're using VPS fly with caution (yellow).
Perhaps they can do a bit of fine tuning in future releases.

The messages are more meaningful than the colours.
2016-12-15
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DJI-Jamie
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United States
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I would highly recommend reading the Aircraft section of the Phantom 4 manual. It tells you what these statuses mean:

https://dl.djicdn.com/downloads/ ... n_v1.2_20160805.pdf
2016-12-15
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Morfeus
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Thank you...
2016-12-17
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Morfeus
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DJI-Jamie Posted at 2016-12-16 04:26
I would highly recommend reading the Aircraft section of the Phantom 4 manual. It tells you what these statuses mean:

https://dl.djicdn.com/downloads/phantom_4/en/Phantom_4_User_Manual_en_v1.2_20160805.pdf

DJI Jamie I dont'see anything about in the user manual. What's the difference between "Ready to fly (NO GPS)" in green color and "Ready to fly (VISION)" in yellow???
2016-12-17
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Aardvark
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Morfeus Posted at 2016-12-15 21:36
Thank you Aardvark.. what I'm asking to myself is why green color on Ready to fly (no gps) and yellow on Ready to fly (vision). If the first means the vision positioning is not full playing so the phantom could drift cause the poor light in my office, why it is not yellow? A friend says to have flyed in the same conditions with fully vision positioning playing. So... what really matters in the two cases mentioned?

I'm running DJI Go 4, and t only stays green for a few seconds while the aircraft is initialising from cold. Subsequent restarts show it going straight to  'ready to fly vision' (yellow). The final message is the most significant, and is accurate.
2016-12-17
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DJI-Jamie
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Morfeus Posted at 2016-12-17 23:01
DJI Jamie I dont'see anything about in the user manual. What's the difference between "Ready to fly (NO GPS)" in green color and "Ready to fly (VISION)" in yellow???

In general "Ready to Fly (NO GPS)" indicates that the unit is in Atti mode and is only using the barometer to keep itself up without GPS or VPS. "Ready to Fly (VISION)" means that There is no GPS available, but the VPS is able to be activated. The color coding may be potentially lagged in the app, but I would recommend referring to the actual written messages and LED statuses on the aircraft itself.
2016-12-19
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