RadioLink F121 Pro User Manual Download

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F121 Pro

Mini Racing Drone with Manual Mode

Altitude Hold by Inertial Navigation

User Manual

* Please be kindly noted that this manual will be updated regularly and please visit RadioLink official website to download the
latest version

：

www.radiolink.com

V 1.1

Summary of Contents for F121 Pro

Page 1: ...ith Manual Mode Altitude Hold by Inertial Navigation User Manual Please be kindly noted that this manual will be updated regularly and please visit RadioLink official website to download the latest version www radiolink com V 1 1 ...

Page 2: ...t is disarmed and propellers have stopped moving before getting close to touch the aircraft Always be sure about turning off the receiver powering off the aircraft before the transmitter Follow the instructions of propellers installation in case of dropping during flight To ensure the best radio communication please enjoy the flight at the space without interference such as high voltage cable comm...

Page 3: ...0 4 1 2 How to Disarm 11 4 2 Altitude Hold Mode 11 4 2 1 Rise Descend 11 4 2 2 Hover 11 4 2 3 Forward Backward Right Left 12 4 2 4 Clockwise Anticlockwise Rotation 12 4 3 Stabilize Mode 12 4 4 Manual Mode 12 4 5 Switch for 360 Angle Flips Mode 12 4 6 Low Battery Alarm 13 4 7 Calibration 13 Chapter 5 Image Transmission of F121 Pro 14 Chapter 6 FPV Goggles of F121 Pro 15 6 1 Buttons and Connector 15...

Page 4: ... Before Flight 2 1 Power Supply Power for transmitter T8S Make sure the transmitter is fully charged Power for F121 The voltage of 1S LiPo battery packed with F121 Pro by default is not fully charged so the battery needs to be charged with the charger CM120 before flight The LiPo battery charger CM120 specially designed for 1S LiPo battery sharing the professional development and high precision of...

Page 5: ...es the RC students exercise their DIY ability and free from lengthy mobile games Learning knowledge of science and technology when assembling setting parameters and flight 2 4 Joysticks Flight Movements A Throttle Rise Descend Hover 65mm prop CW 8520 motor CCW Prop protector Motor Protector 65mm prop CCW 8520 motor CW Prop protector Motor protector 65mm prop CW 8520 motor CCW Prop protector Motor ...

Page 6: ...F121 Pro will rise and toggle the throttle vertically downward then F121 Pro descends If at Alt Hold Mode toggle the throttle stick vertically upward till the F121 Pro rises to the preferred height then toggle back to center position and release the F121 Pro will remain at this height 1m 2m Rise Descend Hover ...

Page 7: ...ertically upward and F121 Pro will fly forward and toggle the pitch stick vertically downward then F121 Pro flies backwards D Roll Right Left Toggle the roll stick on the right to the left and F121 Pro will fly to the left side and toggle the roll stick to the right then F121 Pro will fly to the right side Pitch stick upward F121 Pro moves forward Pitch stick downward F121 Pro moves backward Yaw s...

Page 8: ...r of clockwise CW while with black and white wire means that of counterclockwise CCW It is very important to make sure about the rotation direction as below when installing motors Otherwise the drone would fail to take off Motors installation can be skipped as the whole F121 Pro is already assembled by factory default If any of the motors is worn out and needs to be replaced it s essential to iden...

Page 9: ...21 Pro to see if they drop If they are crooked or drop repeat the above steps to ensure the well installation Propeller installation can be skipped as the whole F121 Pro is already assembled by factory default If the default propellers get worn and needs to be replaced after a period of flight it is important to well identify the rotation direction of propellers If installed incorrectly F121 Pro c...

Page 10: ...t s simpler because pilots only need to toggle the other joystick to make the F121 Pro move forward backward or turn left right If it s the Stabilize Mode especially Manual Mode chosen try to toggle the joysticks slightly to correct the flight and avoid the drone having sudden moves If F121 Pro drops by hitting something toggle the throttle joystick to the bottom position immediately to stop motor...

Page 11: ...r more setting instructions of different RadioLink transmitters please visit www radiolink com to download the corresponding detailed e manual 3 6 Binding There s no need to bind because the binding is complete with receiver R8SM installed by factory default if the RTF version whole pack including T8S F121 bag you have purchased However if you want to change the control transmitter binding between...

Page 12: ...ld Mode to then to Stabilize Mode It s better to keep the direction of F121 Pro head same as pilot in order to easily judge the flight direction Otherwise F121 Pro may flight towards pilot and get him her hurt If the aircraft head is changed unexpectedly and different from pilot s direction pull the throttle stick to the lowest position to land F121 Pro Experienced pilots can control the F121 Pro ...

Page 13: ...T8S or T8FB to control the F121 Pro set a 2 way switch to control the CH7 and when the switch at the bottom position the green LED of F121 Pro is off means disarm successful 4 2 Altitude Hold Mode 4 2 1 Rise Descend Press the CH5 switch of T8S backward which makes F121 Pro fly at Altitude Hold Mode Make sure the orange propellers at front when powering F121 Pro on Then arm F121 Pro and push the th...

Page 14: ...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 ...

Page 15: ... Stabilize Mode 360 degrees roll at Manual Mode depends on the pilot operating of sticks 4 6 Low Battery Alarm When the green LED on F121 Pro starts slowly flashing during flight it means the voltage of F121 Pro is lower than 3 7V when the green LED on F121 Pro starts quickly flashing during flight it means the voltage of F121 Pro is lower than 3 8V as this value is default for 1S battery It s adv...

Page 16: ...n while BLUE is off meaning it s at PitMode That is transmission off The transmission distance is 1 2m It s advised to choose this mode if there are many people switching channels simultaneously at the same space so that channels won t get mixed Customize the power and the channel frequency After powering on wait for 10 seconds to initialize both RED and BLUE LED always on means normal working sta...

Page 17: ...rking mode will change When the RED LED is on and BLUE LED is off it means it s at Pitmode Low power mode When both RED and BLUE LED are on it means the normal transmission mode When all parameters have set long press the channels power switching button till the RED and BLUE LED always on to make the settings saved then into normal working status Otherwise the setup mode remains and all the parame...

Page 18: ...lt in 6 3 DVR Mode How to into DVR mode Short press the power button to into the setting menu choose DVR select the DVR mode by press the CH button Attention the DVR mode need a TF card the goggles of F121 Pro are default without the TF card if you want to use the DVR function please add a TF card first it max support a 32GB TF card 6 4 Assembly and Disassembly of Goggles The goggles that come wit...

Page 19: ...m Resolution 800 TVL FOV 150 Focal Length 1 2mm 7 5 FPV Goggles Display Dimensions 4 3 inch Goggles Dimensions 155 152 96mm without antenna Weight 350g Display Specification IPS highlight 360 degrees field of view Resolution 800 480 pixel Luminance 500 lumens Receive Sensitivity 90dbM Channel 40 channels five band 8 channels of each band DVR auto selecting DVR Mode VGA D1 HD Playback support Stora...

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