Aspen Avionics EVOLUTION EFD1000 PRO MAX PFD - Mechanical Standby Nav Indicator; Vertical Speed Indicator

CHAPTER 4 REFERENCE GUIDE
EFD1000 PRO MAX PFD Pilot’s Guide
Page 4-44
091-00005-002 ()
4.5.13 Mechanical Standby Nav Indicator
When the PFD and a mechanical standby Nav indicator are both connected to an
integrated VOR/Localizer/GPS Navigation system, the standby indicator and the PFD
operate normally in all VOR, GPS and localizer modes.
When the GPS OBS mode is selected, the PFD Selected Course (CRS) control commands
the GPS OBS course and the mechanical standby nav indicator’s OBS course selector is
ignored by the integrated navigation system. Deviation indications are shown on both
displays. When the PFD is turned off, the course selector on the mechanical standby
Nav indicator commands the GPS OBS value.
4.6 Vertical Speed Indicator
When the 360° Compass Mode is selected, the Vertical Speed Indicator (VSI) is rendered
on the right side of the Navigation Display, showing a numerical and graphical
representations of vertical speed. The VSI shows the change in pressure altitude over
time. The graphical display is a white VSI Tape, with the numerical value at the top
(Figure 4-87). In either ARC Compass mode, only the numerical value is shown.
The VSI Tape displays rates of ±2,000 FPM while the numerical value displays rates up to
±9,990 FPM. When the vertical speed exceeds ±2,000 FPM, a triangle caps the VSI Tape
(Figure 4-88).
The VSI Tape is nonlinear, giving more display area to the 0 to ±1,000 FPM range than
to the ±1,000 to ±2,000 FPM range. Tick marks are presented only in the direction of
the climb or descent to provide visual cues for trends. The VSI’s numerical value, tape,
and scale are only shown if the aircraft is climbing or descending more than ±100 FPM.
During level flight in calm air conditions, the Tape, scale, and zero reference line are
removed from the display.
Figure 4-87
VSI
Figure 4-88
VSI Tape Off-Scale