Garmin GNS 430 Pilot's Manual & Reference page 30

COM
1
Tuning Cursor
Active/Standby Freqs
Tuning cursor in the COM window. Use the
f h
small ( ) and large (
the desired standby frequency.
Once the standby frequency is selected, use
W
the (flip-flop) key to make the frequency
active for transmit and receive operations.
22
COM Window and Tuning
Communication frequencies are selected with the tuning cursor in the standby COM
frequency fi eld, and using the small (
frequency. The standby frequency always appears below the active frequency. The active
frequency is the frequency currently in use for transmit and receive operations.
A frequency may also be quickly selected from the database by simply highlighting
the desired frequency on any of the main pages and pressing the
is referred to as auto-tuning. Once a frequency is selected in the standby fi eld, it may be
transferred to the active frequency by pressing the
While receiving a station, an "RX" indication appears in the upper right corner of the
COM window — to the immediate right of "COM". A "TX" indication appears at this
location while you are transmitting.
) left knobs to dial in
f h
) and large (
W
The tuning cursor will normally appear in the COM
window, unless placed in the VLOC window by press-
v
ing . When the tuning cursor is in the VLOC win-
dow, it will automatically return to the COM window
after 30 seconds of inactivity.
The active frequency in either window cannot be
accessed directly—only the standby frequency will be
highlighted by the tuning cursor.
) left knobs to dial in the desired
E
key. This process
key.