EFD1000 Installation Manual
DOCUMENT # A-01-126-00 PAGE 155-225 Revision H
© Copyright 2009 Aspen Avionics Inc.
• Key all VHF communication radios.
• Operate autopilot so that all servos run (roll, pitch, yaw, trim)
If the operation of any electrical system causes the heading to change by more than 2º the
RSM wiring may need to be relocated away from the offending system. The offending
system may also have a bonding issue to the airframe that needs to be corrected.
Run engine(s) from idle to take off power and verify that the heading does not change by
more than 2º.
If replacing the RSM or the Configuration Module, conduct a flight check in accordance
with paragraph 11.2, Basic HSI/DG Flight Checks. If this is a new installation, proceed
with paragraph 10.6.
This completes all RSM calibration and heading tests.
10.6 Ground Test Procedure
Ground Testing consists of checking for proper operation of the following items:
a) Airspeed Tape, Altitude Tape, and OAT Sensor
b) AHRS Sensor
c) GPS Sensor Inputs (including Backup RSM GPS Sensor)
d) Navigation Sensor Inputs (if installed)
e) Backup Navigation Indicator
f) Autopilot Sensor Outputs (if installed)
g) Flight Director (if installed)
h) Sonalert (if installed)
i) Decision Height (if installed)
j) Ancillary Equipment Heading Check (if using ARINC 429 heading from EFD1000)
k) EMI Test
l) Flight Control Interference Check
CAUTION: Do not exceed the aircraft’s maximum Airspeed, Altitude, or Vertical
Speed at any time during the testing. Damage could result to the pre-
existing aircraft instruments.
NOTE: When changing indicated airspeed or altitude on the ground using
pitot/static test equipment, changes in the AHRS display of pitch, roll and
heading will result, possibly accompanied by a CROSS CHECK ATTITUDE
annunciation. This behavior is the result of the Kalman Filter algorithms
employed in the EFD1000 attitude solution. These changes in pitch, roll or
heading are normal and do NOT indicate a system failure. The integrated
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