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Basic Operation
The GNS 480 provides the following three aural alerts: 500 foot callout, Localizer Alive, and Missed Approach
Point. 500 foot callout: using baro-corrected altitude, after descending from at least 2000 feet above the
surface elevation at the destination, an audio message will occur once when the aircraft descends below 500
feet from the surface elevation at the destination. Localizer Alive: an audio message will occur once when a
Localizer, back-course, or ILS approach is loaded and the Localizer is valid with cross-track deviation of 90%,
or less. Missed Approach: when flying an approach and the MAP has been passed an audio message will occur
once. The Missed Approach message will not be played for an ILS or LPV approach (unless the LPV approach
has been downgraded). If audio is inhibited, the audio alert messages are not played. Audio messages do not
require any pilot input.
Message tones can be turned on or off through the system configuration pages. The volume of the messages
and tones are set in the Com or Nav modes with the Audio function.
Setting Message Audio Level
1. Press
COM
or
VOR
.
2. Press
Menu/Enter
to bring up the Menu items. Press
Audio
.
3. With the AMA selection highlighted, turn the
Small
knob to adjust the level.
4. Press
Menu/Enter
to save your settings.
Messages
Содержание GNS 480
Страница 1: ...DRAFT GNS 480TM color GPS WAAS NAV COM pilot s guide ...
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Страница 24: ...16 Getting Started Nav Terms Diagram Flight Plan Terms Diagram ...
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