Aspen Avionics EVOLUTION EFD1000 PRO MAX PFD - Lateral and Vertical Deviation Indicator

CHAPTER 4 REFERENCE GUIDE
EFD1000 PRO MAX PFD Pilot’s Guide
Page 4-4
091-00005-002 ()
4.1.5 Lateral and Vertical Deviation Indicator
are shown on the Attitude Display during instrument approaches. A Lateral Deviation
Indicator (LDI) and a Vertical Deviation Indicator (VDI) (Figure 4-6) 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 Annunciation
Lateral Deviation Indicator
The LDI and corresponding LDI Navigation Source Annunciation 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. .
Figure 4-6
Lateral and Vertical Deviation Indicators
and Source Information