MODSTER FW190 User Manual page 12

Notifications for the ESC
1. The function of this ESC was in best conditions after factory setting; please
do not change it by yourself.
2. Before connecting the battery, please make sure, the throttle and trim are in
the lowest position. If throttle and trim were not in the lowest position by
mistake after connecting the battery, you can cut off the battery; move the
throttle and push to the lowest position, then connect the battery.
3. The ESC of the airplane is in a good position after factory assembly; please
do not move its position.
4. The ESC should be connected to the brushless motor correctly; otherwise
the motor will be reversed turning, and the model airplane cannot fly
correctly.