24
c) Calibration of the Compass
The quadrocopter has a compass with the help of which it can
control the flight direction and flight altitude.
Before the quadrocopter can be started, the compass must be
calibrated. We recommend calibration before each flight.
After a site change to another starting position, the compass
must be calibrated.
To calibrate the compass in the free field, proceed as follows:
• Switch the toggle switch „GPS“ 5 times quickly from the front
position (position 1) to the rear position (position 2) and back.
The status LEDs at the quadrocopter must be permanently lit
yellow (red and green).
• Hold the quadrocopter horizontally (see figure 17, illustration
A) and turn it around its vertical axis until the status LEDs
switch to green (at least 360°).
• Then hold the quadrocopter with the front propellers vertically
down and turn it 360° around the longitudinal axis (see figure
17, illustration B), until the status LEDs go out.
• Calibration is complete.
• Return the quadrocopter to the normal position.
• After a brief time, the status LEDs will flash according to the
GPS satellites received.
• If the status LEDs flash red and yellow, calibration was defec-
tive and must be repeated.
Figure 17
Summary of Contents for 1400004
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