Alwarerc Streak 1000 OctoCopter Kit With APC Props - Manual (Page 15)

5.2 Assembly Steps - Flight direction indicator
Step 1.
Cut the Direction Indicating Sticker with a width of
around 100mm. Step 2.
Tear the cover layer of the Sticker before stick to the
front Carbon Arm Boom.
Step 3.
Indicate the forward flying direction. Step 4.
Stick the Direction Indicating Sticker (100mm Width)
to the two Carbon Arm Boom in the forward flying
firection. And use three pieces of Adhesive Tape to
secure the Direction Indicating Sticker.
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