Garmin G3X Touch Pilot's Manual page 274

AFCS
• Subsequent vertical speed adjustments are in increments of 100 fpm, with
the exception that the user cannot adjust the target vertical speed to a
value that would cause the aircraft to fly away from the Selected Altitude.
• Unlike Select VS Mode described previously, this option does not switch
to VS mode. Instead, it displays a vertical speed bug.
• The initial vertical speed used for climb or descent towards the new altitude
is determined by the Default Vertical Speed fields as described previously.
• When Altitude Hold (ALT) Mode has captured the Selected Altitude, the vertical
speed bug is removed and vertical speed adjustments have no effect.
Setting the Flight Director Altitude Controls:
NOTE: Flight Director Altitude Control settings cannot be changed when ALT
mode is engaged. Turn off the Flight Director or switch to another vertical
mode before attempting to set the Altitude Controls.
1) From the PFD1, press the MENU Key twice to display the Main Menu.
2) Touch Setup > Flight Director.
3) In the Altitude Controls field, touch Simplified and enter the Default
Vertical Speed value.
Or:
In the Altitude Controls field, touch Normal.
a) In the ALT Mode User Select Action field, touch Normal or Sync
Selected Altitude.
b) In the ALT Mode User Up/Down Action field, touch Normal.
Or:
Touch Select VS Mode and enter the Default Vertical Speed value.
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Garmin G3X Touch Pilot's Guide 190-01754-00 Rev. E