Garmin GTN 625 Pilot's Manual page 426

Foreword
Getting
Started
Touch To Select Fuel Value
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Ground Speed Value
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
14-20
Selected Fuel
Flow Value
Figure 14-31 Selecting Fuel Flow
8. Touch the Ground Speed key and then the keypad to select
the average ground speed for the trip and touch Enter.
Selected Ground
Speed Value
Touch To Select
Figure 14-32 Selecting Ground Speed
Garmin GTN 625/635/650 Pilot's Guide 190-01004-03 Rev. K