EFLU5850 E-flite Ultra-Micro UMX Aero Commander BNF Manual

Control Centering

Control Horn Settings

The illustration shows linkage positions chosen for

the best aerobatic response. Linkage connections

on the control horns directly affect aircraft response.

RudderElevator

Before your ﬁ rst ﬂ ight, make sure the aircraft’s

control surfaces are centered.

1. Power on the transmitter and then the aircraft.

2. Set all transmitter trims and sub-trims to zero.

3. Check the control surfaces to make sure they

are centered.

4. If centering is required, use a pair of pliers to

carefully bend the metal linkage

(see illustration).

In ﬂ ight trimming may be required.

During your  rst  ight, the aircraft should  y

straight and level. Use your transmitter trims to

 ne-tune the aircraft’s  ight path until it has been

corrected. Any transmitter trim that requires 4

or more clicks of trim (per channel), should be

mechanically centered. Note the control surface’s

postion and return the transmitter trim to zero.

Adjust the linkages mechanically so that the control

surfaces are in the  ight trimmed position.

Make the U-shape narrower to make the

connector shorter. Make the U-shape wider to

make the linkage longer.

LVC is a feature built into your ESC to protect the

battery from over-discharge. When the battery

charge becomes too low, LVC limits power supplied

to the motor. When you hear the motor power pulse,

land the aircraft immediately and recharge the  ight

battery.

NOTICE: Do not rely on LVC to determine when

to land your aircraft. Set a  ight timer to the

recommended  ight time. Repeated  ying to LVC

will damage the battery.

Low Voltage CutOff