lefeirc SPARROW FC - User Manual

T Tail
V Tail
wing
GPS LED
FUNC BUTTOM
FENCE RADIUSE / SELECT RTH MODE
ELE GAIN / DIRECTION
AIL GAIN / DIRECTION
Install Direction
[model/state LED]
size：32*27*11mm
weight：FC 12g，GPS 15g
receiver type：PWM
auto level
Aircraft hold altitude
Beyond the fence, trigger the RTH mode
Return to home
Remote control directly controls the aircraft
STAB
AltHold
Fence
RTH
Manual
GPS OK
LOW
DISCONNECT
GPS
ON
FLASH
OFF
ON
FLASH
OFF
GPS on
disconnect GPS or low satellites
STAB
Manual
Fence
AltHold
RTH
knob R<MAX
knob R=MAX
MIN MAX
②
- +
MIN MAX
①
R50m
H100m
R100m-R300m
H≥35m
Flight Model
LED
LED
Fence Mode
RTH Mode
The minimum height of the aircraft is limited to 35m.
Trigger the fence limit, the plane will go home
(switch to RTH Mode); flip sticks cancel RTH Mode
and then enter the fence again. fence radius 100m-300m,
adjusted by knob R.
The radius of cycle is 50m, Height hold at 100m.
SPARROW FC
Flight Mode
R knob
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lefeirc SPARROW FC Specifications

General

Brand	lefeirc
Model	SPARROW FC
Category	Controller
Language	English

Summary

Flight Mode Selection

STAB Mode

Auto level flight mode for stable operation.

AltHold Mode

Aircraft maintains a specific altitude.

Fence Mode

Triggers RTH mode when exceeding fence boundaries.

RTH Mode

Return to home function for safe landing.

Manual Mode

Direct control of the aircraft via remote.

R Knob Functions

Fence Mode Radius Adjustment

Adjusts fence radius (100m-300m) for flight safety.

RTH Mode Parameters

Sets cycle radius to 50m and height hold at 100m.

Setup and Calibration

How to Wiring

Connect RC channels (AIL, ELE, THR, RUD) and flight mode channel to receiver.

AirFrame Type Selection

Set the aircraft model by holding the setting button.

Remote Control Calibration

Calibrates RC channels for accurate control inputs.

ESC Calibration

Calibrates the Electronic Speed Controller for throttle response.

Level Calibration

Calibrates the flight controller to a level surface.