Transmission Quality setting

Mar 15, 2016
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Image Transmission Settings > Channel Mode > Custom is grayed out if the phone or tablet is set to some regions.

At first I thought the limitation was caused by my old and semi-unsupported iPad mini 1 A1432 but the following thread provided the answer:

Cant activate custom channel

In that ancient tablet the Auto setting's fixed Transmission Quality 10Mbps(0.7km) doesn't update the tablet's screen properly -- only about 30% of the screen is updated every now and then...

But the screen update is good after I changed the location setting to U.S. so I could set Transmission Quality to 4Mbps(3km).

I understand that some regions might have regulations about permitted channels but why is also the Transmission Quality behind the region setup??

If I set my correct region, the DJI APP defaults back to 10Mbps with poor screen update.

Litchi allows me to set 4Mbps. Previously I wondered why, after using DJI GO to set the camera, Litchi reverted to 10Mbps. Well, it doesn't if I set the tablet region to US.

p.s. I am getting a new tablet:

I have considered iPad mini 4 (A8 7.9") or iPad Air 2 (A8 9,7”). Both fit the DJI's stock RC controller.

But I guess iPad Pro (A9 9.7") with 2GB RAM (like iPad Air 2) and Apple Pen support might be a better long-term investment.

The new iPad Pro's screen brightness goes up to about 500 nits, an increase from the 400-or-so nits of the big iPad Pro and the iPad Air 2. iPad Pro’s screen is 40 percent less reflective than the Air 2. iPad Pro has a barometer -- when calibrated correctly it can be used to determine altitude, which might help GPS devices to lock on quicker and with greater accuracy.

Now I must only decide if I want the cellular model with built-in GPS (really only needed for DJI's Follow Me intelligent mode, and dynamic home point) and how much storage I really need.

9.7-inch iPad Pro review: What makes something “Pro” anyway?
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