Garmin G900X Installation And Maintenance Manual page 281

2. Initiate the AHRS Ground Pitch/Roll Aircraft Level compensation mode by performing the
following steps:
a) Ensure that the No. 1 GRS 77 is selected.
b) Select PITCH/ROLL OFFSET, then press the ENT key.
c) Follow the checklist items displayed on the PFD and press the ENT key as each one is
completed or confirmed. When the CALIBRATE field is blinking, press the ENT key to
begin the procedure.
d) After several seconds, a new checklist appears in the lower half of the PFD. Press the ENT
key as each item is confirmed. When the CONFIRM AIRCRAFT IS LEVEL field is
blinking, press the ENT key to continue.
3. The result of the pitch/roll offset compensation is displayed on PFD. If successful, the AHRS
records the required pitch and roll offsets, informs the operator of a successful conclusion and
returns to normal operation.
4. Press the ENT key on the PFD to conclude this procedure.
5. Restart displays in normal mode.
G900X/G950 Installation and Maintenance Manual – Software, Configuration, and Calibration
190-00719-00
Page 15-39
Revision D