E-flite UMX Sbach 342 3D BNF Basic User Manual download pdf (Page 4)

Low Voltage Cutoff (LVC)

Preﬂ ight Checklist



1. Charge ﬂ ight battery.

2. Install ﬂ ight battery in the aircraft

(once it has been fully charged).

3. Bind aircraft to your transmitter.

4. Make sure linkages move freely.

5. Perform Control Direction Test with

the transmitter.



6. Set dual rates

7. Adjust center of gravity.

8. Perform a radio system Range

Check.

9. Find a safe and open area.

10. Plan ﬂ ight for ﬂ ying ﬁ eld conditions.

When a Li-Po battery is discharged below 3V per

cell, it will not hold a charge. The aircraft’s ESC

protects the ﬂ ight battery from over-discharge using

Low Voltage Cutoff (LVC). Before the battery charge

decreases too much, LVC removes power supplied

to the motor. Power to the motor quickly decreases

and increases, showing that some battery power is

reserved for ﬂ ight control and safe landing.

When the motor power pulses, land the aircraft

immediately and recharge the ﬂ ight battery.

Disconnect and remove the Li-Po battery from the

aircraft after use to prevent trickle discharge. Fully

charge your Li-Po battery before storing it. During

storage, make sure battery charge does not fall

below 3V per cell.

Tip: Due to the quiet nature of the aircraft, you may

not hear the pulsing of the motor.

For your ﬁ rst ﬂ ights, set your transmitter timer or a

stopwatch to 5 minutes. Adjust your timer for longer

or shorter ﬂ ights once you have ﬂ own the aircraft.

Flights of 6 minutes or more are achievable if using

proper throttle management.

NOTICE: Repeated ﬂ ying to LVC will damage

the battery.

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E-flite UMX Sbach 342 3D BNF Basic User Manual Page 4

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