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Ambient Light Too Low For Avoidance Sensors
11290 8 2017-1-19
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phinchman
lvl.4
Flight distance : 120994 ft
United States
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Hello, All:

I have a brand new P4P, have flown it only a couple of times.  Last time I flew, I kept getting alerts in DJI Go 4 that the ambient light for my avoidance sensors was too low.  Granted, it was a cloudy afternoon, but I'm wondering:

1.  Is there an ambient light threshold guideline that needs to be met?
2.  And for future reference, do the sensors need cleaning from time-to-time to avoid such occurence/alerts?

Thanks, in advance!
2017-1-19
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Maxi3D
First Officer
Flight distance : 283661 ft
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United States
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In the manual, it says the light have to be greater than 300 lux for it to work.
2017-1-19
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phinchman
lvl.4
Flight distance : 120994 ft
United States
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Thanks, Maxi.  The "lux factor" where I was was definitely greater than 300.
2017-1-19
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SureshR
lvl.2
Flight distance : 354 ft
United States
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phinchman Posted at 2017-1-19 12:02
Thanks, Maxi.  The "lux factor" where I was was definitely greater than 300.

Will having those lights on the drone help this situation? I saw some lights which can be attached to the landing legs. Will they help in avoidance detection during nights?
2017-1-19
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Quadcopter Land
lvl.1

United States
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SureshR Posted at 2017-1-19 13:37
Will having those lights on the drone help this situation? I saw some lights which can be attached to the landing legs. Will they help in avoidance detection during nights?

Obstacle avoidance even with lights does not work at night
2017-1-19
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Quadcopter Land
lvl.1

United States
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If you installed the lastest firmware, you will loose some sensitivity on front and rear sensors.
2017-1-19
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fans8905bd1d
lvl.1
Flight distance : 2602559 ft
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Norway
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Have You remove cover ( transparent plastick ) from sensors.
2017-1-23
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ProQuad
First Officer
Flight distance : 16922461 ft
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United States
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1.   Yes, please read the manual.  300lux I believe
2. Yes. The sensors need to be cleaned if dirty.  Check before each flight
2017-1-23
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RedHotPoker
Captain
Flight distance : 165105 ft
Canada
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SureshR Posted at 2017-1-19 13:37
Will having those lights on the drone help this situation? I saw some lights which can be attached to the landing legs. Will they help in avoidance detection during nights?

Are you referring to Lume Cubes?
http://www.lumecube.com/164.html

Yes, they would help enable OA, if you were flying close enough to the obstacles.


RedHotPoker
2017-1-23
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