Innovate Motorsports LMA-3 - Manual (Page 11)

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4 Mounting and calibrating the LMA-3
In order to use the acceleration sensor of the LMA-3, care must be taken to mount the LMA-3
correctly on a horizontal surface in the car. The LMA-3 MUST be aligned with the direction of
travel. The following pictures show the four possible mounting positions.
The mounting position should not deviate more than 3 degrees from horizontal.
4.1 Calibrating the Acceleration Sensor to the mounting position
Lay the LMA-3 down on the mounting surface, but don’t mount it yet. Switch the LM-1 on to
power the LMA-3 or switch the 12V supply to the LMA-3 on if it is powered from a switched 12V
supply.
Press the ‘Calibrate’ button until the digit display shows a blinking C
If the mounting surface is not within the 3 degrees of horizontal, the acceleration sensor can’t be
calibrated for zero g and the LMA-3 shows a blinking E for Error:
After the zero g acceleration calibration is performed, hold the LMA-3 such that the side of the
LMA-3 pointing in the intended direction of travel points vertically up. Then press the Calibrate
button again until the blinking C shows up.
If the LMA-3 shows the blinking ‘E’, even when the device is calibrated on a flat, horizontal,
surface, the device may need to be reset. To reset the LMA-3’s accelerometers, place the device
on a flat, horizontal, surface and press and hold all three buttons together until the display shows
the letter ‘A’:
After this, re-try the above calibration procedure.
You can now mount the LMA-3.