Vertical Calculator (Vcalc) - Garmin GTN 750 Pilot's Manual Upgrade Supplement

15.1
Foreword
NOTE: If VNAV is enabled, this page is replaced with the
Getting
VNAV Profile page. For more information, refer to section 4.3.3.
Started
The Vertical Calculator (VCALC) function allows you to create a
Audio &
Xpdr Ctrl
three-dimensional profile which guides you from your present position and
altitude to a final (target) altitude at a specified location. This is helpful when
Com/Nav
you would like to descend to a certain altitude near an airport. Once the profile
is defined, message alerts and additional data can be configured on the Map Page
FPL
to keep you informed of your progress.
Direct-To
Proc
Charts
Wpt Info
Map
VCALC is inhibited in the following conditions:
• Groundspeed is less than 35 knots
Traffic
• No active flight plan or direct-to destination
Terrain
• SUSP mode
• Vectors-to-Final mode
Weather
• VLOC mode
Nearest
• After the FAF on an approach
Services/
• OBS mode
Music
WARNING: Do not use VCALC messages as the only means of either avoiding
Utilities
terrain/obstacles or following ATC guidance. VCALC provides advisory
information only and must be used in concert with all other available navigation
System
data sources.
Messages
Symbols
Appendix
15-4
Index

Vertical Calculator (VCALC)

Cruise Altitude
Figure 15-3 VCALC Target
GTN 725/750 Pilot's Guide
Target Altitude
Target
Waypoint
Target Offset (Before)
190-01007-03 Rev. Q