RadioLink Electronic Limited
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4.2.3 Forward/Backward/Right/Left
At Altitude Mode, F121 Pro can fly forward/backwards or towards to right/left by toggling the right stick at the
certain height.
For beginners, make sure to push the stick gently because being a racing drone, F121 Pro is very responsive. It’s
advised to release the stick as soon as toggle to one direction so that F121 Pro will back to level automatically.
Otherwise, F121 Pro will keep flying to the toggled direction with accelerated speed.
4.2.4 Clockwise/Anticlockwise Rotation
When get familiar with the above flights, try flight clockwise/anticlockwise because the yaw practice is more
difficult to judge the flight direction. Clearly knowing the direction will quickly help master drone flight. Try imagine
sitting on the drone could be a better way to practice.
Toggle the rudder joystick to the left and F121 Pro will flight anticlockwise while if to the right, then the F121 Pro
will flight clockwise.
4.3 Stabilize Mode
Press the CH5 switch of T8S to the center position to change the F121 Pro working mode to Stabilize Mode.
The basic operation such as Rise/Descend/Forward/Backward etc. of Stabilize Mode are same as Altitude Hold
Mode.
When at Stabilize Mode, F121 Pro will flight faster than when at Altitude Mode.
The flight controller will not help keep F121 Pro altitude hold, which is more challenging, that will ask the polit
keep a long-time practice.
The flight angle of F121 Pro still limited at Stabilize Mode, if you want to control the F121 Pro keep roll over or
freestyle, the Manual Mode will be the best choice.
4.4 Manual Mode
Manual Mode is the classic FPV flight control mode.
Press the CH5 switch of T8S backward to change the F121 Pro working mode to Manual Mode. The basic
operation such as Rise/Descend/Forward/Backward etc. of Manual Mode are same as Altitude Hold Mode.
When at Manual Mode, the flight controller will stop to working, F121 Pro will flight faster than when at Altitude
Mode or Stabilize Mode and there is no limited to the flight angle, you can control the F121 Pro keep roll over or
freestyle.
Please make sure that you have skillful to control the F121 Pro and then select the Manual Mode. Toggle
joysticks as gentle as possible to avoid drastic movements, which may possibly hurt the pilot. Make sure that the
battery is fully charged before enjoying the flight.
4.5 Switch for 360 Angle Flips Mode
F121 Pro add a mode named Switch for 360 Angle Flips Mode except Altitude Hold Mode, Stabilize Mode and
Manual Mode, the setting steps as below:
