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3-3190-01004-03 Rev. B
Garmin GTN 625/635/650 Pilot’s Guide
Foreword
Getting
Started
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Music
Utilities
System
Messages
Symbols
Appendix
Index
3.3 Com and Nav Frequency Window and Tuning
Communication frequencies are selected by using the large and small right
knobs or by touching the value in the standby
Com or Nav
frequency field and
using the subsequent keypad. The standby frequency always appears below
the active frequency. The active frequency is the frequency currently in use for
transmit and receive operations.
Once a frequency is selected in the standby field, it may be transferred to the
active frequency by touching the active frequency field.
NOTE: The Com window is normally active for adjustment, unless the NAV
window is made active by pressing the small right knob. The active state
automatically returns to the Com window after 30 seconds of inactivity.
To select a Com or Nav frequency using the small and large right knobs:
1. If the tuning cursor is not currently in the frequency window,
press the small right knob momentarily. The Standby
frequency will be highlighted to indicate that it is active for
editing.
2. Turn the large right knob to select the desired megahertz
(MHz) value. For example, the “118” portion of the frequency
“118.30”.
3. Turn the small right knob to select the desired kilohertz
(kHz) value. For example, the “.30” portion of the frequency
“118.30”.
To select a Com or Nav frequency using the numeric keypad:
1. Touch the Standby window.
2. A keypad will appear with the current Standby frequency
highlighted.