Aspen Avionics Evolution EFD 1000 C3 Pro PFD - Lateral and Vertical Deviation Indicator; Lateral Deviation Indicator

CHAPTER 4 REFERENCE GUIDE
Page 4-50
091-00019-001 REV B
EFD1000 C3 Pro PFD Pilot’s Guide
Figure 4-102
Lateral and Vertical Deviation Indicators
and Source Information
4.5. Lateral and Vertical Deviation Indicator
In addition to the CDI in the Navigation Display, separate displays of lateral and vertical
deviation information are shown in the Attitude Display during instrument approaches.
A Lateral Deviation Indicator (LDI) and a Vertical Deviation Indicator (VDI) (Figure
4-102) will automatically appear, depending on the operating mode of the selected
navigation sensor and the validity of the associated signal, as described below.
Vertical Deviation Indicator (VDI)
Lateral Deviation Indicator (LDI)
LDI Navigation Source Indicator
4.5.1. Lateral Deviation Indicator
The LDI and corresponding LDI Navigation Source Indication automatically display
when:
• The active navigation source is a GPS radio, GPS is in the Approach mode, and the
signal is valid.
Or
• The active navigation source is a VHF navigation radio and a valid LOC, LOC(BC), or
ILS signal is received.