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Page 5-82 G1000 System Maintenance Manual
Rev. A 190-00903-00
5.1.8.4 AHRS/Air Data Input Configuration Page
Figure 5-9. AHRS/Air Data Input Configuration Page
This page displays real time data from the GRS 77 (AHRS 1) and GDC74B (Air Data1). If the
AHRS 1 or Air Data 1 fields are blank, the units are not online and the cause should be
determined.
AHRS 1, 2:
a. T HDG―True heading value input from GRS 77, expressed in degrees.
b. ROLL―Roll value input from GRS 77, expressed in degrees.
c. PITCH―Pitch value input from GRS 77, expressed in degrees.
d. X ACC―X Axis acceleration value, expressed in m/s².
e. Y ACC―Y Axis acceleration value, expressed in m/s².
f. Z ACC―Z Axis acceleration value, expressed in m/s².
AIR DATA 1, 2:
a. SAT―Static Air Temperature measurement input from GDC 74B, expressed in degrees
Celsius.
b. IAS―Indicated Air Speed measurement input from GDC 74B, expressed in knots.
c. TAS―True Air Speed measurement input from GDC 74B, expressed in knots.
d. B ALT―Barometric corrected altitude input from GDC 74B, expressed in feet.
e. D ALT―Density altitude input from GDC 74B, expressed in feet.
f. P ALT―Pressure altitude input from GDC 74B, expressed in feet.
g. STATIC PRESS―The raw value of the atmospheric pressure in the static input.
h. DIFF PRESS―The raw value of the pressure in the pitot vs. static inputs.
i. MACH―Displays aircraft speed in Mach number.
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