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GPS NAVIGATION
e) Press the ENT Key to designate this altitude constraint value for use in computing vertical guidance. This
altitude value will now be displayed as light blue text. Note that altitude values are now filled in for waypoints
back to where the previous altitude value was entered for OPSHN.
Altitude constraint values associated with the Final Approach Fix (FAF) and waypoints beyond the FAF cannot be
designated for vertical guidance. These altitude values will always be displayed as white text, as in Figure 5-36.
Vertical guidance to the FAF and on to the Missed Approach Point (MAP) is given using the WAAS GPS altitude
source, therefore, the displayed altitude values are for reference only.
14) As the aircraft approaches OPSHN, it may be desirable to adjust how fast, or steep, the upcoming descent
will be. The default Flight Path Angle (FPA) is -3.0 degrees and a required vertical speed will be computed to
maintain the -3.0 FPA. To change the vertical flight path, perform the following steps.
a) Press the VNV PROF Softkey to place the cursor in the target vertical speed field (VS TGT) as shown in Figure
5-114.
b) At this point, the descent vertical speed can be selected, or the FPA can be selected. Turn the large FMS Knob
to select the desired selection field, then turn the small FMS Knob to entered the desired value.
5-110
Figure 5-112 Designate FALUR Altitude Constraint
Figure 5-113 Vertical Guidance is Active to the FAF
Garmin G1000 Pilot's Guide for Piper PA32
190-00692-00 Rev. B
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