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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.