Garmin GNC 420AW GPS Receiver User Manual


 
5 - PROCEDURES
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190-00356-00 Rev E
• Whenyingalocalizer-basedapproachwithauto-
maticCDIswitchingdisabled:
1. You may select “VLOC” guidance at any point
on the approach prior to reaching the FAF.
2. The localizer frequency must be active to use
“VLOC” guidance.
Enabling Autopilot Outputs for the King
KAP140/KFC225
Autopilot outputs for the King KAP140/KFC225
autopilots are activated manually by the pilot after
being prompted during the approach procedure. After
enabling outputs, the 400W-series unit will provide
guidance information consistent with what the auto-
pilotexpects(i.e.,angularCDIscalingandglideslope
captureforanLPVorotherverticallyguidedGPS
approach.
Conditions for autopilot outputs
1. The 400W-series unit must be configured during
installation to interface with these autopilots
and using “Prompt” for GPS Select.
2. Guidance to the FAF is active as indicated by
Approach mode annunciation (LNAV, LNAV+V,
L/VNAV, or LPV).
To enable autopilot outputs
1. Load and activate approach information as
usual.
2. When you are turned on course to the FAF (Track
and Desired Track are within 10°), a message
will prompt you to enable the autopilot outputs
before using your autopilot for an approach.
3. Press PROC. Highlight “Enable A/P APR Out-
puts?” with the large right knob, if necessary,
and press ENT.
4. Press the Approach button on the autopilot to
switch it to Approach mode. Your autopilot will
now use guidance from the 400W-series unit
for the approach.
Enabling Autopilot Outputs