Pre-Flight Operation Instruction - UDI R/C DISCOVERY U818A WIFI Operation Manual

Take Off / Landing /
Emergency Stop Button
Flip Mode
Battery installation:
Open the battery cover on the back side of the transmitter and put 4 alkaline
batteries (AA, not included) into the box in accordance with electrode instructions,
as Picture shown.
1. Make sure the electrodes are correct.
Notice:
3. Do not mixed use different kinds of batteries. 4. Do not charge the non rechargeable battery.
Attaching your Mobile Phone to Transmitter
(1). Press the self-locking switch on the top right side of the mobile holder and
push the holder to a fully open position as Picture 1 shown.
(2). Place the mobile phone facing frontward position, pull the mobile phone holder
down and press tightly as possible to secure the mobile phone and transmitter
(please note that do not touch the mobile phone button) as Picture 2.
(3). Insert the lens hood into the slot and make sure the lower edge of the lens hood
is as close to the mobile phone as possible as Picture 3.
Picture 1

7. Pre-flight Operation Instruction

7.1 Frequency Pairing
(1). Turn on the transmitter switch (Picture 4) and the power indicator light flashes
rapidly. Push the Left Stick all the way down to the lowest position and then
release. The Left Stick will back to the middle position automatically.
(Picture 5 / 6) The power indicator light flashes slowly, which indicates the
transmitter is ready for frequency pairing.
Press the button and the drone will fly up automatically. Press the button again and the
drone will landing on the ground automatically. Press and hold the button more than 1s,
the drone propellers will stop and fall down immediately.
Press this button to do 360°flip.
Battery Cover
Drive the screw according to
the arrow direction to loosen
the screw to open the battery
cover. Tighten the screw by
driving it in opposite direction.
4X1.5V
Alkaline Batteries
2. Do not mixed use new and old batteries.
Picture 2
9
Picture 3