25
1 - COM
190-00356-00 Rev B
420W / 430W Only
Auto-Tuning from Nearest Airport Page
Cursor in VLOC window allows for VOR and
ILS operations. See Section 8.
Auto-Tuning
The 400W-series auto-tune feature allows you
to quickly select any database frequency in the GPS
window as your standby frequency. Any COM fre-
quency displayed in the GPS window can be trans-
ferred to the standby COM frequency field, with a
minimum of keystrokes required. The following are
some examples of selecting COM frequencies from
some of the main GPS pages.
To select a COM frequency for a nearby airport:
1. Select the nearest arport page from the NRST
page group. Press and hold the
CLR
key, then
turn the
large right
knob untl the nearest
pages appears. Fnally, f necessary, turn the
small right
knob to dsplay the nearest arport
page.
2. Press the
small right
knob momentarly to
place the cursor on the arport dentfier field
of the first arport n the lst. Turn the
large
right
knob to hghlght the desred arport
frequency.
3. Press
ENT
to place the frequency n the standby
field of the COM wndow.
Nearest airport page with the Tower
frequency (TWR) for the closest airport
highlighted.
4. Press the
Com flip/flop
key to swap the
standby and actve frequences.
From the nearest airport page, select the
desired airport to show a more detailed list-
ing of frequencies for that airport.
5. Before leavng the frequency page, use the
large right
knob to hghlght “Done?” and
press
ENT
. “Done?” always needs to be
acknowledged before leavng a page group.
190-00356-00_0B.indd 25
9/7/2007 2:49:05 PM
