3-15190-01007-03 Rev. C
GTN 725/750 Pilot’s Guide
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Charts
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
3.5 NAV (VOR/Localizer/Glideslope) Receiver
Operations
The GTN 750 includes digitally-tuned Nav/localizer and glideslope receivers
with the desired frequency selected on the Nav window, along the top right-hand
side of the display. Frequency selection is performed by pressing the small right
knob to activate Nav Standby frequency editing and then turning the small and
large right knobs or keypad to select the desired frequency.
Nav Control Text
Active Nav
Frequency
Standby Nav
Frequency
Touch To
Flip/Flop
NAV / STBY
Touch To
Edit STBY
Figure 3-20 Nav Frequency Window
3.5.1 Ident Audio and Volume
Nav ident is enabled by pressing the Volume knob when the Nav window
is active. When Nav ident is enabled, the ID annunciation will appear in the
active Nav window. When the Nav function is enabled, the Nav Standby channel
window will highlight briefly and then turn to blue text. The Nav Standby
frequency will be active for editing for about 30 seconds before the Com Standby
frequency becomes active for editing.
Nav Standby Frequency Highlighted To
Indicate It Is Active for Frequency Selection
Nav Ident Is Active
Figure 3-21 Nav Standby Frequency Window and Ident is Active
Nav audio volume is adjusted using the Volume knob. Turn the Volume
knob clockwise to increase volume, or counterclockwise to decrease volume.
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