
5-in-1 Control Unit Description, Arming and Motor Control Test
The unique 5-in-1 Control Unit installed on your Blade mSR is a lightweight
combination of main motor and tail motor electronic speed controls, mixer, gyro,
servos and Spektrum DSM2 compatible receiver. The 5-in-1 unit is also equipped
with a BLUE status indicator LED.
The following checklist contains the steps you must follow to ensure proper arming
and operation of the 5-in-1 unit, as well as proper motor response.
• Each time before you fly you should ALWAYS turn the transmitter on and
set at least 2 feet away from the aircraft before connecting the flight
battery to the 5-in-1 unit. Never connect the flight battery to the 5-in-1
unit before powering the transmitter on first. After each flight, be sure
that you always disconnect the flight battery from the 5-in-1 unit before
powering the transmitter off.
Note: The only time you should connect the flight battery to the 5-in-1
unit before powering the transmitter on is when you are binding
the receiver of the 5-in-1 unit to the transmitter. Please see the
Transmitter and Receiver Binding section of this manual for more
information.
• The throttle stick MUST be set in the lowest possible position, and the
throttle trim must be set to the middle or a lower than middle position (the
middle position is indicated by a longer than usual beep/tone), in order
for the 5-in-1 unit to arm.
• The rudder stick MUST be left NEUTRAL (CENTER STICK), and the rudder
trim must be set to the middle position (the middle position is indicated
by a longer than usual beep/tone), in order for the 5-in-1 unit to arm
properly
If this is the first test flight, or a test flight following repairs, you should also center
the rudder, aileron and elevator trims.
Set throttle
stick at lowest
possible position.
Set throttle
stick at lowest
possible position.
Aileron Trim Buttons
Elevator Trim Buttons
Throttle Trim Buttons
Rudder Trim Buttons
Aileron Trim Buttons
Throttle Trim Buttons
Elevator Trim Buttons
Rudder Trim Buttons
Mode 2 Mode 1
•AfterconfirmingthatthetransmitterhasbeenturnedonandthattheLEDis
glowing solid red, it is now safe to connect the flight battery to the 5-in-1 unit.
• With battery power applied to the 5-in-1 unit, the status indicator LED
should glow solid blue, then blink, then become solid red again.
Note: It is extremely important that you do not move, sway, or pretend to
fly the helicopter once the flight battery is connected because the
initialization process and calibration of the gyro has begun. If you
do move the helicopter before the LED is solid BLUE, disconnect
the flight battery from the 5-in-1 unit and repeat the initialization
process.
•WhenthestatusLEDbecomessolidblue,the5-in-1unitisinitializedandreadyfor
flight. Also, as long as you had the throttle stick and trim set the correct positions
during the initialization process, the ESC/motors will now be armed. Use caution
as both main rotor and tail rotor blades will now spin with throttle stick input.
Note: If the status LED does not become solid blue, please review the
following.
•IfafterthestatusLEDbecomessolidBLUE,butyouhavenocontrolofthemotors,
you have a positive Radio Frequency (RF) link between the transmitter and receiver,
but the throttle stick and throttle trim may not be set to the correct positions.
Check to be sure that the throttle stick is in the lowest possible position, and that
the throttle trim is set to the middle or a lower than the middle position. If you now
have control of the motors, proceed to the next step of the checklist.
•IfthestatusLEDturnsoffcompletely,youdonothaveapositiveRFlinkbetween
the transmitter and receiver. Check to be sure that the transmitter has been
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