190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 30-15
30.4.7.2 Pitch/Roll Offset Compensation by Aircraft Leveling
NOTE
This procedure requires orienting the aircraft to normal flight attitude (can be done by
using jacks or placing wood blocks under the nose-wheel, for example). As another
example, if the number of degrees ‘nose high’ the aircraft flies in straight and level cruise
is known, a digital level can be used to orient the aircraft to normal flight attitude before
the calibration.
NOTE
The GSU 73 must be installed to be level within 3.0 degrees of the aircraft in-flight level
cruise attitude. In-flight level cruise attitude is not necessarily the same as the level
reference provided by the manufacturer (such as fuselage longerons).
NOTE
The GSU 25 must be installed to be level within 30.0 degrees of the aircraft in-flight level
cruise attitude. In-flight level cruise attitude is not necessarily the same as the level
reference provided by the manufacturer (such as fuselage longerons).
Figure 30-4 In-Flight Level Cruise Attitude
1. Power on PFD1 in configuration mode (Section 30.2
), this step can be skipped if PFD1 is already
in configuration mode.
2. Use the Touch Panel or a Move Selector Knob to select the ADAHRS Calibration Page.
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