TM 1-1510-225-10
3A-37
1. Course/Desired Track Digital Display
2. Drift Angle Indicator Source Annunciator
3. Directional Gyro Mode or Source
4. Lubber Line Bearing Pointer Distance
5. Heading Marker
6. Heading Miscompare Indicator
7. Primary Navigation Source Range (or Held
DME Distance) Bearing Pointer Distance
8. Groundspeed or DME Hold Frequency
9. Time To Go Source Annunciator
10. Course Pointer
11. Primary Navigation Source and System
Number Annunciator
12. Symbolic Aircraft
13. Course Deviation Bar
14. Compass Card
15. Double Bar (#2 System) Bearing Pointer
16. Double Bar (#2 System)
17. Double Bar (#2 System) Bearing Pointer
18. DME Hold Annunciator
19. Single Bar (#1 System)
20. Single Bar (#1 System) Bearing Pointer
21. Single Bar (#1 System) Bearing Pointer
22. Selected Heading Digital Display
23. Vertical Deviation Scale and Indicator
24. VNAV Mode Annunciator
25. Wind Speed and Wind Vector
Figure 3A-16. EHSI Controls and Indicators
(10) Course Pointer. The position of the
course pointer on the compass card indicates the
course that has been selected with the course select
knob on the EFIS control panel. Once set, the course
pointer rotates with the compass card.
(11) Primary Navigation Source and System
Number Annunciator. The primary navigation source
annunciator displays the primary navigation and
system number if applicable (such as VOR 1 or
VOR 2).
(12) Symbolic Aircraft. The symbolic aircraft
provides a quick visual cue as to the aircraft's position
with respect to the select course and aircraft heading.
