Garmin GTN 650Xi Series Pilot's Manual page 226

Navigation
Designate a waypoint altitude for use with vertical guidance:
1. Select a waypoint altitude constraint.
2. Tap Save.
Enter or modify an altitude constraint:
1. Select an altitude constraint.
2. Tap Type and select the constraint type.
3. Select the altitude data key.
4. Enter an altitude constraint value using the keypad.
5. Select altitude units.
6. Tap Enter to accept the altitude.
7. Tap Save.
Delete an altitude constraint:
1. Select an altitude constraint.
2. Tap Remove Constraint.
3. Tap OK.
Return a modified altitude constraint to its original database value:
1. Select an altitude constraint containing the pencil icon.
2. Tap Revert Constraint.
3. Tap OK.
3-84 Pilot's Guide 190-02327-03 Rev. C