User Manual

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Figure 5 – Good and Bad Ways to Mount the Guardian

Figure 6 – Correct and Incorrect Control Surface Movement

Mounting the Guardian in your Model

Please refer to Figure 5, which indicates acceptable and unacceptable Guardian mounting.

Mount the Guardian securely with two sided servo tape, Velcro, or similar, so that it is in line with your direction of flight. It should be

mounted near the model’s center of gravity and level to the horizon when your plane is flying straight and level, but the Guardian will

compensate for small mounting errors.

Choose a mounting location which will

allow the Guardian to be easily

connected to your receiver and servos.

Important: If the Guardian comes

loose from its mounting location

during flight, it will not be able to

correctly stabilize your model! After

mounting, be sure to pull up on the

Guardian with a force greater than

you expect to encounter in flight, to

confirm mounting integrity.

Note: If permanently mounting the

Guardian, ensure that the USB port is

still accessible for PC configuration

and firmware update.

Preflight Checks

Before every flight, it is strongly recommended that you perform the following steps:

• Perform your normal preflight check. Ensure your servos respond correctly to your RC control stick commands.

• To test that the Guardian is working, hold the airplane level. Now, pitch, roll and yaw the model. Please see Figure 6. You should

see the control surfaces deflecting appropriately to level the airplane and keep it on a straight heading. If the control surfaces do not

move at all, ensure that the Master Gain knob on your transmitter (if used) is set so that stabilization will occur, and ensure that the

Mode/Config switch (if used) is set for

either 2D or 3D Mode. Important: If

the control surfaces are moving the

wrong direction, you need to reverse

the direction of the appropriate

Guardian Gain Control Dial!

First Flight

To account for trims and mounting errors of

the Guardian within your plane, follow the

instructions in the section titled “Reset Level

Flight and Trims.”

On your first flight, it is recommended that

you do an unpowered hand-toss of your

airplane, if it is capable of hand-toss launches.

If the airplane safely glides to the ground with

little or no input, then your configuration is

correct. If the model oscillates or

overcompensates during the hand-toss, your

Gain is too high.

Once it has been shown that the Guardian has

been correctly configured, perform a run-up

on the ground with stabilization enabled,

while watching your control surfaces for drift.

If it appears as if stabilization is working

properly with the engine active, then throttle

down, perform one last preflight check and