Garmin G950 Pilot's Manual page 287

15) As seen in Figure 5-138, the aircraft is approaching TOD. Note the target vertical speed required to reach the
selected altitude. The Vertical Deviation Indicator (VDI) and the Required Vertical Speed Indicator (RVSI) are
now displayed on the PFD as shown in Figure 5-139. When the aircraft is within one minute of the TOD, it is
annunciated as shown in Figure 5-139, and an aural alert 'Vertical track' will be heard.
190-00870-02 Rev. A
Figure 5-138 Approaching Top of Descent (TOD)
Vertical Deviation
Indicator (VDI)
Figure 5-139 VDI & RVSI Upon Reaching Top of Descent (TOD)
Garmin G950 Pilot's Guide for the Pilatus PC-6
FLIGHT MANAGEMENT
Target Altitude
Required Vertical
Speed Indicator
(RVSI)
275