WALL SCALE FUNCTION
When the dron is flying near a smooth wall, press the fly / run mode key and have it change
to run mode (as shown in the figure below).
Turn left / turn right:
As you push the left lever to the left, the dron
head will turn to the left; When you push it to the
right, the dron's head will turn to the right.
Forward / Backward:
Push the right lever up, the dron will roll forward;
When the push down, the dron will roll back.
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