3-14
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
Com/Nav
Nav (VOR/Localizer/Glideslope) Receiver
The GTN 650 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
Figure 3-27 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 and Morse code tones will be heard. 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 Channel Highlighted to
Indicate it is Active for Frequency Selection
Nav Ident is Active
Figure 3-28 Nav Standby Frequency Window is Active
Nav audio volume is adjusted using the
Volume
knob. Turn the
Volume
knob clockwise to increase volume, or counterclockwise to decrease volume.
Summary of Contents for GTN 625
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