Section 3 Display Symbology
3-8
IDU-450 EFIS Software Version 8.0H (Rotorcraft)
1
st
Ed Nov 2018
Figure 3-15: Minimum Altitude
3.3.2. Vertical Speed Indicator
Figure 3-16: VSI
The vertical speed indicator (VSI) is depicted in a "worm" format providing
analog and digital representation of VSI in feet per minute (fpm). For
example, rate of descent in Figure 3-16 is 700 fpm.
Table 3-1: Scale Graduations and Display
Traffic Installed Scale Limit Scale Graduations and Display
With TCAS-II
±2,000 fpm
±500, ±1,000, and ±2,000
Background of VSI functions as an RA
display with green and red regions to
provide RA maneuver guidance.
Without TCAS-II
±500, ±1,000, and ±2,000 fpm