Garmin G1000:Socata Pilot's Manual page 287

15) As seen in Figure 5-128, the aircraft is approaching TOD. Note the target vertical speed required to reached 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 5-129.
190-00709-00 Rev. A
Figure 5-128 Approaching Top of Descent (TOD)
Vertical Deviation
Indicator (VDI)
Figure 5-129 VDI & RVSI Upon Reaching Top of Descent (TOD)
Garmin G1000 Pilot's Guide for the Socata TBM 850
FLIGHT MANAGEMENT
Target Altitude
Required Vertical
Speed Indicator
(RVSI)
5-135