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Performing the Trim Flight
1. Slowly increase the throttle to lift the model into a stationary hover. Make cor-
rections as necessary to keep the model still. Evaluation does not begin until
the throttle stick is over 50% and the sticks are centered. Making corrections
will not affect the result but a longer flight may be necessary.
2. Keep the model stationary in a hover for 120 seconds. Sliding and slow move-
ments are okay. The main goal is to keep the rotor disk level.
3. Once you are satisfied with the trim flight, land the model.
Exiting Trim Flight Mode
1. After landing, lower the throttle stick to the lowest position.
2. Activate Panic Recovery for 2 seconds, or until the swashplate moves, indicat-
ing the servo positions and attitude values have been recorded and trim flight
mode has been exited.
Calibration Procedure DXS (RTF)
If the helicopter is experiencing drift issues after completing the trim flight proce-
dure located at www.bladehelis.com, perform the following calibration. The calibra-
tion procedure may also be needed following crash repairs.
WARNING: Before beginning the calibration procedure, disconnect the
main motor and tail motor leads to prevent accidental motor startup during
calibration.
o perform the calibration procedure:
T
1. Ensure the surface used for calibration is level.
2. Power on the transmitter and helicopter, allowing them to initialize.
3. Turn Throttle Hold ON.
4. Ensure the main motor is disconnected.
5. Using a bubble level as shown below, level the helicopter by placing a shim under
the tail fin.
Bubble level
Shim
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Flight Test
After performing the trim flight, test-fly the model to evaluate the leveling charac-
teristics.
•
The model should return to level flight consistently.
•
During takeoff, the model should lift off with minimal corrections.
•
During a hover, the control stick should remain close to center. Small correc-
tions are acceptable.
If the model performs poorly or does not level properly after the trim flight, retry
the entire trim flight procedure. If the problem persists, inspect the model for dam-
aged components, a bent shaft or anything that may result in increased vibration.
The trim flight may not record the correct values due to excessive vibration, flying
in wind or the model not staying level. In these cases, shorter trim flights may be
necessary. If you are still experiencing problems after several attempts please
perform the calibration procedure and try the trim flight procedure again.
6. Hold the left stick to the bottom right
corner, and the right stick to the upper left
corner.
7. The LED on the Flight Controller will flash
yellow while caibrating
Do not move the helicopter until the
calibration
is completed. If the LED displays a red LED an error has occurred. Begin the
calibration procedure again, starting with step 1.
LED Indicator on FC
Slow Green Flash
Slow Red Flash
Slow Cyan Flash
Yellow Flash (during calibration)
Red Flash (during calibration)
8. After the calibration is successfully completed, the receiver LED will blink
green.
13
Use your mobile
device on this QR code
which will guide you
through the Calibration
Procedure for the DXS
Transmitter which is
included with the RTF.
Indicator Description
Ready to Fly
Failsafe Active
Forward Programming Mode
Calibration proceeding normally
Calibration Error, FC not level or is being
moved during calibration
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