ESI-500
Pilot’s Guide 2-13
Operation
NOTE
Alignment accuracy depends on current ight conditions and the
ability to maintain straight and level ight throughout the alignment
process. During abnormal conditions, such as high turbulence, the
unit may not be able to align. The status bar may show negative
progress and/or hold at zero progress until conditions improve.
Attitude Alignment can be manually activated using the Menu as
follows:
1. Press the Menu button.
2. Rotate the knob until ATT Align is highlighted and press the knob.
3. Press the knob to Conrm.
• Cancel can be chosen by rotating the knob until it is selected
(highlighted in blue). Press the knob to return to the Menu list.
4. The alignment of attitude may require a couple of minutes to
complete depending on the motion of the aircraft. The attitude
message and progress bar remain showing on the screen until
the unit is properly aligned.
5. During alignment, the following navigation information is removed
from the screen (if applicable):
• Nav Source, To/Fr Indicator, Selected Course, Back Course
Indicator, Lateral Deviation, Vertical Deviation, Marker Beacon.
As well as magnetic heading from the MAG-500.
Initiate Manual Alignment