Pg. 22 v.1.19. MaintenanceThis section has information on how to keep your X PlusOne flight ready.a) Operational LimitsMaximum altitude 400 ftRange 0.5 milesMaximum estimated flight time 22 minPayload capacity 1 lbsb) Calibrating your X PlusOneYou will need to calibrate your craft regularly to ensure proper GPS and compass functionality. Anytime youchange payloads, the craft will also need to be calibrated, with that specific payload attached.PCYou will need: Mission Planner Software, telemetry module with its USB power cord, fully chargedbattery, X PlusOne.i. Download and open Mission Planner Softwareii. Plug telemetry unit into computer with its USB power cordiii. Connect battery to craftiv. Set COMM Port (upper right hand corner) to specific telemetry COMM numberv. Set speed of connection to 57600thsvi. Then press Connectvii. Enter Initial Set-up>Mandatory Hardware>Accel Calibrationviii. Click and follow prompts for Calibrate Accelix. Set craft upright and select Calibrate Level, follow promptsx. Select Compass (under Mandatory Hardware). Set Orientation to Manual-Rotation_Pitch_90xi. Select Live Calibration and follow promptsxii. Select Disconnect in Mission Planner (top right corner)MACYou will need: QGroundControl Software, VCP Driver installed on your computer, telemetry modulewith its USB power cord, fully charged battery, X PlusOne.i. Download and open QGroundControl Softwareii. Plug telemetry unit into computer with its USB power cordiii. Connect battery to craftiv. Select settings option (gear image)v. Select Sensors>Accelerometer>set AutoPIlot Orientation to Roll180Pitch90>Okay>Follow prompts tocalibratevi. Select Compass>set Compass 1 Orientation to Pitch90>follow image prompts to orientvii. Disconnect telemetry