GNS 530(A) Pilot’s Guide and Reference
190-00181-00 Rev. E 2-3
SECTION 2
COM
Auto-Tuning
The GNS 530’s auto-tune feature allows the pilot to
quickly select any database frequency in the GPS Window
as the standby frequency. Any COM frequency displayed
in the GPS Window can be transferred to the standby COM
frequency field. The following are examples of selecting
COM frequencies from some of the main GPS pages.
Selecting a COM frequency for a nearby
airport:
1) Turn the large right knob to select the NRST
Page Group.
2) Turn the small right knob to display the
Nearest Airport Page (Figure 2-5)
3) Press the small right knob momentarily to
place the cursor on the airport identifier field
of the first airport in the list. If needed, turn
the large right knob to highlight the desired
airport.
4) The Nearest Airport Page displays the common
traffic advisory frequency (CTAF) for each listed
airport. To select this frequency, turn the large
right knob to highlight the desired airport’s
CTAF frequency (Figure 2-5).
Figure 2-5 Nearest Airport Page
5) Press the ENT Key to place the frequency in
the standby field of the COM Window.
Displaying the entire list of frequencies for
a nearby airport and selecting from that
list:
1) Start with the desired airport highlighted on
the Nearest Airport Page (as described in the
preceding step 3), then press the ENT Key.
2) Press the small right knob momentarily to
remove the cursor and turn the small right
knob to display the frequency list (Figure
2-6).
Figure 2-6 Airport Frequencies Page
3) Press the small right knob momentarily to
reactivate the cursor and turn the large right
knob to highlight the desired frequency.
4) Press the ENT Key to place the highlighted
frequency in the standby COM field.