6
EN
Low Voltage Cutoff (LVC)
SAFE
®
Select Technology
Mode 1 and 2 transmitters
X 5
100%
100%
When SAFE Select is activated, bank and pitch limitations keep you from over-controlling the aircraft.
Additionally, by releasing the controls in the event you lose orientation, SAFE Select will keep the
aircraft level.
To activate SAFE
®
Select, fl ip the Gear channel switch to position 0. Return the Gear switch to position 1 to
turn OFF SAFE Select and fl y with just the assistance of AS3X
®
technology.
If you become disoriented or the aircraft is in a confusing attitude, fl ip the Gear switch to position 0 and
release the sticks. With the aileron, elevator and rudder sticks in the neutral position, SAFE Select will
automatically keep the airplane in a straight and level attitude.
Disabling and Enabling SAFE Select
By default, the SAFE Select function of your UMX aircraft is enabled and assigned to the Gear channel
switch (channel 5). If you do not wish to have access to SAFE Select while fl ying, you can choose to disable
SAFE Select functionality. AS3X will still be active when SAFE Select is disabled.
IMPORTANT:
Before attempting to disable or enable SAFE Select, ensure the aileron, elevator, rudder,
throttle and gear channels are all on high rate with the travel set to 100%. Turn throttle hold OFF if it is
programmed in the transmitter.
CAUTION:
Keep all body parts clear of the rotor, intake and exhaust tube and keep the aircraft
securely restrained in case of accidental throttle activation.
1. Power on the transmitter.
2. Power on the aircraft.
3. Hold both transmitter sticks to the inside bottom
corners and toggle the Gear switch 5 times
(1 toggle = full up and down). The control
surfaces of the aircraft will move, indicating SAFE
Select has been enabled or disabled.
Repeat the process again to re-enable or
disable SAFE Select.
DX4e, DX5e, and DXe Transmitters
The Gear switch is the FMODE switch on the these
transmitters, and the switch needs to be toggled
between position 0 and 2 when disabling/enabling SAFE-Select.
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. During
storage, make sure the 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 7 minutes or more are achievable if using proper
throttle management.
NOTICE:
Repeated fl ying to LVC will damage the battery.
