Jamie Hellmich
lvl.4
United States
Offline
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Due to some high traffic on the Forum regarding flight modes and such, I'd like to offer the folllowing. Hopefully it may answer some questions and provide some clarification. Anything here can be found in the manuals.
Read your manuals for further clarification of flight modes and IOC, etc... Particularly the NAZA-M manual, a link to it is below.
1. The default working mode for your aircraft's control system is called "Phantom" mode. Switch 1 is only used for calibrating the compass, and switch 2 is only used for setting Home Point, and your Phantom manual explains how to perform these functions.
2. If so desired, NAZA-M working mode is enabled in Vision Assistant. NAZA-M working mode options and settings are briefly described below.
3. NAZA-M working mode Switch 1 defaults are; Top position - "GPS ATTI" mode, Middle position - "ATTI" mode, Bottom position default - "Failsafe", with option for "Manual" mode setting in Vision Assistant. Set to Failsafe if you are prone to hit the wrong switch or switch position, are not an accomplished multi-copter pilot, or are weak kneed.
4. There are 2 Intelligent Orientation Control (IOC) modes: Home Lock, and Course Lock. Switch 2 IOC modes are only available by enabling NAZA flight mode, which is enabled in Vision Assistant.
5. NAZA-M working mode Switch 2 defaults are: Top position - Null (no action), Middle postion - IOC Course Lock, and Bottom position - IOC Home Lock
6. S1 top position GPS ATTI mode flies pretty much the same as Phantom working mode, and gives the option to enable IOC modes Home Lock and Course Lock. Home Lock and Course Lock are functional in GPS ATTI mode. When the transmitter sticks are centered, GPS is used to hold position and altitude.
With good satellite count, the rear LED's will flash slowly GREEN, if S2 is in top position, and the transmitter sticks are centered. With good satellite count, the rear LED's will flash GREEN twice quickly, if S2 is in top position, and the sticks are not centered.
7. S1 middle position ATTI flight mode does not use GPS for position hold, while the compass, gyroscopic and potentiometer controls maintain attitude of the craft keeping it level and holding a constant bearing (the way it is facing) when the control sticks are centered. A barometric pressure instrument maintains altitude with the throttle stick centered. Course Lock is available in ATTI mode, Home lock is not. There is no position hold in ATTI flight mode.
With good satellite count, the rear LED's will flash slowly YELLOW, if S2 is in top position, and the transmitter sticks are centered. With good satellite count, the rear LED's will flash YELLOW twice quickly, if S2 is in top position, and the sticks are not centered.
8. In NAZA-M working mode, if configured as such in the Phantom Assistant, Failsafe is available on Switch 1 regardless of Switch 2 position
9. Return to home is not affected by the current switch positions or flight mode when enabled by software due to loss of transmitter power, or low battery enabled.
10. When NAZA-M working mode is enabled, Switch 2 can set the Home Point and Course Lock Bearing.
a. Toggle rapidly 3 to 5 times from top position to middle position to set Course Lock Bearing (direction) on the ground or in the air.
b. Toggle rapidly 3 to 5 times from middle position to bottom position to register Home Location on the ground or in the air when at least 6 satellites are acknowledged. If you are in GPS ATTI mode and you can't get 6 or 7 until airborne, and you are comfortable taking it up, do the calibration once you are up. The slow flashing green lights will let you know when you have the satellites, then do the Home Point switch toggling. Home will be that location, and the Phantom will land on the ground at that location, even though Home was set at altitude.
11. Both Course Lock Bearing calibration and GPS Home Lock calibration are acknowledged with rapid flashing green lights in NAZA-M working mode whether at power up or with manual calibration noted above. At power up, the first rapid green sequence is Course Lock calibration, and the second set is Home Lock/Home Location.
12. Switch 1 optional bottom position Manual mode if enabled in Vision Assistant. None of the above applies to Manual mode, you are on your own. Very challenging flight mode. Start high, but keep it close. You gotta see it to control it. If you can't tell which way it's facing... forget it. Stay in S1 or S2, or bail out to them if you are losing control. Your craft will stabilize immediately upon switching to S1 or S2.
13. Here is a link to the NAZA-M V2 Quick Start Guide, very usefull if one takes the time to read it. http://download.dji-innovations. ... _Guide_v1.26_en.pdf
14. Please read and study the manuals for your aircraft.
GPS ATTI and ATTI mode offer some different flight characteristics, and both have good points. Flight practice and flight maneuvers training will bring those to your attention.
A plan for every flight, fly your plan.
Jamiie
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