Garmin 430w Manual

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Flight Plans
from the nearest airspace page. 
Flight Plans
The 400W-series lets you create up to 20 flight 
plans, with up to 100 waypoints in each flight plan. 
Flight plans are created, edited and activated using the 
FPL key. The FPL page group includes two pages: the 
active flight plan page and the flight plan catalog. The 
active flight plan page provides information and editing 
features for the flight plan currently in use (referred to 
as “flight plan 00”). The flight plan catalog serves as the 
main page for creating new flight plans, as well as edit-
ing or activating previously created flight plans. 
Active flight plan page with flight plan currently in use. 
Since using flight plans is arguably one of the more 
complex features of the 400W-series, we’ll only discuss 
it briefly here — focusing on creating a new flight 
plan and activating it to use for navigation. Additional 
information about flight plans can be found in Section 
4 Flight Plans. 
To create a new flight plan: 
1.  Press  the FPL key and turn the small right 
knob to select the flight plan catalog. 
2.   Press the MENU key to display the flight plan 
catalog options. 
3.   Turn  the large right knob to select “Create 
New Flight Plan?” and press ENT. 
To create a new flight plan, select “Create 
New Flight Plan?” from the flight plan  catalog options. 
4.  T h e 
cursor will appear on the first waypoint identi-
fier field (located directly below “WAYPOINT”). 
Use the large and small right knobs to enter 
the identifier of the first waypoint in the flight 
plan. (The small knob is used to select the 
desired letter or number and the large knob 
is used to move to the next character space.) 
Enter the identifier for each airport and/or navaid into the flight plan in the same  sequence you wish to fly.
5.  Press 
ENT once the identifier has been selected. The 
cursor will move to the next blank waypoint  
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Flight Plans
identifier field. 
6.   Repeat steps 4 and 5, above, until all waypoints 
for the flight plan have been entered. Once the 
flight plan is created, it may be activated from 
an options window. Activating the flight plan 
will place a copy into “flight plan 00” (the 
original flight plan still resides in the flight 
plan catalog). It replaces any flight plan which 
currently exists in “flight plan 00.” 
To activate the new flight plan: 
1.   On the Flight Plan Catalog page, press the 
small right knob to activate the cursor. Rotate 
the large right knob to highlight the desired 
flight plan. 
2.   Press the MENU key to display the flight plan 
catalog options. 
3.   Turn the small right knob to select “Activate 
Flight Plan?” and press ENT. 
Select “Activate Flight Plan?” from the page 
menu to begin using the new flight plan.
  
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Radio Volume  / Auto Squelch
Section 1 - COM -  
Communicating Using the  
GNC 420W/AW and GNS 430W/AW
Some models of the 400W-series feature a digitally-
tuned VHF COM radio that provides a seamless transi-
tion from communication to navigation. The GNC 
420W and GNS 430W’s COM radio operates in the 
aviation voice band, from 118.000 to 136.975 MHz, 
in 25 kHz steps (default). For European operations, a 
COM radio configuration of 8.33 kHz steps is pro-
vided (Section 9 - Aux  - Setup 2). The GNC 420AW 
and GNS 430AW use a 16-watt transmitter, instead of 
the standard 10-watt transmitter. 
“TX” appears at the upper right corner of the screen while transmitting. 
Volume
COM radio volume is adjusted using the COM 
power/volume knob. Turn the COM power/volume 
knob clockwise to increase volume, or counterclock-
wise to decrease volume. 
Squelch
The COM radio features an automatic squelch to 
reject many localized noise sources. You may override 
the squelch function by pressing the COM power/
volume knob. This facilitates listening to a distant sta-
tion or setting the desired volume level. 
Press the COM power/volume knob momen-tarily to override the automatic squelch. Note the “RX” receive indication when  receiving a station. 
To override the automatic squelch, press the  COM 
power/volume knob momentarily. Press the COM 
power/volume knob again to return to automatic 
squelch operation. 
420W / 430W Only 
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Com Window  and Tuning
COM Window and Tuning
Communication frequencies are selected with the 
tuning cursor in the standby COM frequency field, 
and using the small and large left knobs to dial in 
the desired frequency. The standby frequency always 
appears below the active frequency. The active fre-
quency is the frequency currently in use for transmit 
and receive operations. 
Tuning cursor in the COM window. Use the small and large left knobs to dial in the  desired standby frequency. 
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 ENT key. 
This process is referred to as auto-tuning. Once a 
frequency is selected in the standby field, it may be 
transferred to the active frequency by pressing the 
COM flip-flop key. 
Once the standby frequency is selected, use 
the COM flip-flop key to make the frequency  active for transmit and receive operations. 
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. 
 NOTE: The tuning cursor will normally appear 
in the COM window, unless placed in the VLOC 
window by pressing the small left knob. When 
the tuning cursor is in the VLOC window, it will 
automatically return to the COM window after 30 
seconds of inactivity. This does not apply to the 
GNS 420W. 
The active frequency in either window cannot be 
accessed directly—only the standby frequency will be 
highlighted by the tuning cursor. 
To select a COM frequency: 
1.    If the tuning cursor is not currently in the COM 
window, press the small left knob momen-
tarily. 
2.   Turn the large left knob to select the desired 
megahertz (MHz) value. For example, the 
“118” portion of the frequency “118.300”. 
3.   Turn the small left knob to select the desired 
kilohertz (kHz) value. For example, the “.300” 
portion of the frequency “118.300”. 
To make the standby frequency the active fre-
quency, press the COM flip-flop key. 
The tuning cursor will remain in the COM window. 
The GNS 430W/AW unit has a built-in VOR/Localizer/
Glideslope capability. If you wish to select a VOR/
localizer/ILS frequency, press the small left knob 
momentarily to place the cursor in the VLOC window. 
Additional instructions for VOR/localizer/ILS opera-
tions are available in Sections 5 and 8. 
420W / 430W Only 
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420W / 430W OnlyAuto-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 airport page from the NRST 
page group. Press and hold the CLR key, then 
turn the large right knob until the nearest 
pages appears. Finally, if necessary, turn the 
small right knob to display the nearest airport 
page. 
2.   Press  the small right knob momentarily to 
place the cursor on the airport identifier field 
of the first airport in the list. Turn the large 
right knob to highlight the desired airport 
frequency. 
3.  Press ENT to place the frequency in the standby 
field of the COM window. 
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 active frequencies. 
From the nearest airport page, select the 
desired airport to show a more detailed list- ing of  frequencies for that airport. 
5.   Before leaving the frequency page, use the 
large right knob to highlight “Done?” and 
press ENT. “Done?” always needs to be 
acknowledged before leaving a page group.  
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To select a COM frequency for a nearby flight ser-
vice station (FSS) or center (ARTCC):
1.   Select the nearest center or flight service page 
from the NRST page group. Turn the large 
right knob until the NRST pages appear. Then, 
if necessary, turn the small right knob to 
display the desired NRST page. 
Use the nearest ARTCC page to quickly re-
trieve the frequency(s) for the nearest center  (ARTCC) facility. 
2.  Press  the small right knob momentarily to 
place the cursor on the page. 
3.  Turn the large right knob to highlight the 
FSS/ARTCC frequency and press ENT to place 
the frequency in the standby field of the COM 
window. 
To select a COM frequency for any airport in your 
flight plan: 
1.   Select the NAVCOM page from the NAV page 
group. (Press and hold the CLR key, then turn 
the small right knob until the NAVCOM page 
appears.) 
The NAVCOM page provides a frequency list 
for all the airports (departure, en route and  arrival) along your active flight plan. 
2.   Press the small right knob to place the cursor 
on the airport identifier field. To the left of this 
field appears Departure, En Route or Arrival 
— depending on the placement of the dis-
played airport within your flight plan. 
3.   Turn  the small right knob to display a 
window listing the airports in your flight plan. 
Continue turning the small right knob to 
select the desired airport. 
4.  Press ENT to return to the NAVCOM page with 
the frequencies for the selected airport. 
5.  Turn  the large right knob to highlight the 
desired frequency. 
6.  Press ENT to place the highlighted frequency 
in the standby COM window field. 
To select a COM frequency for any airport in the 
database: 
1.   Select the airport frequencies page from the 
WPT page group. (Turn the large right knob 
to select the WPT page group. Then turn the 
small right knob until the airport frequencies 
page appears.) 
Use the airport frequencies page to retrieve 
a frequency list for ANY airport in the  Jeppesen NavData database. 
2.   Press the small right knob to place the cursor 
on the airport identifier field. 
3.   Use the small  and large right knobs to enter 
the identifier of the desired airport. Press ENT 
420W / 430W OnlyAuto-Tuning from Flight Plan/Database 
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420W / 430W Only
when finished. 
4.  Turn  the large right knob to highlight the 
desired frequency. 
5.  Press ENT to place the highlighted frequency 
in the standby COM window field. 
Emergency Channel
The 420W/430W emergency channel select pro-
vides a quick method of selecting 121.500 MHz as the 
active frequency in the event of an in-flight emergency. 
The emergency channel select is available whenever 
the unit is on, regardless of GPS or cursor status, or 
loss of the display. 
To quickly tune and activate 121.500, press 
and hold the COM (or remote) flip-flop key for 
approximately two seconds. If the remote key is 
used, further changes in COM frequency will not 
be possible without recycling power. 
Press and hold the COM flip-flop key for 
two seconds to activate the 121.500 MHz  emergency frequency. 
 Note:  Under some circumstances if the com sys-
tem loses communication with the main system, 
the radio will automatically tune to 121.500 
MHz for transmit and receive regardless of the 
displayed frequency. 
Stuck Microphone
Whenever the 420W/430W is transmitting, a ‘TX’ 
indication will appear in the COM window. If the 
microphone is stuck or accidentally left in the keyed 
position, or continues to transmit after the key is 
released, the COM transmitter will automatically time 
out (or cease transmitting) after 35 seconds of continu-
ous broadcasting. You’ll also receive a “COM push-to-
talk key stuck” message as long as the stuck condition 
exists. 
A “COM push-to-talk key stuck” message 
appears to warn you of a stuck microphone.  Transmitting is disabled after 35 seconds of  continuous broadcasting. 
Emergency Channel 
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Remote Frequency Selection Control
On units configured for remote Com frequency 
recall*, pressing the remote recall switch will load the 
next preset Com frequency into the unit’s Standby  fre-
quency box and display a temporary pop-up window 
with the current Preset ID number—e.g., Preset 1 or 
Preset 12. The remote recall switch can be pressed 
multiple times to scroll the entire preset frequency 
list through the Standby frequency box (the list will 
“wrap” from the bottom of the list back up to the top, 
skipping any empty preset positions). 
*  Preset Com Frequencies are only available with SW 
Version 3.00, or later. 
The standby frequency isn’t activated until a Com 
flip flop switch (either remote- or bezel-mounted) is 
pressed. Remote Frequency Selection only functions 
on units configured for a remote Com Frequency 
recall switch. See Aux Pages - Setup 2 Page - Preset Com 
Frequencies for instructions on storing preset Com 
frequencies. 
Remote Frequency Selection 
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Section 2   
NAV Pages
Main Page Groups
The 400W-series main pages are divided into 
groups: NAV, WPT, AUX and NRST. While view-
ing any of these pages, selection of another page is a 
simple selection process using the small and large 
right knobs. 
NAV
7+ available pages (see list below)
WPT
10 available pages  (see Section 6)
AUX
4 available pages (see Section 9)
NRST
8 available pages (see Section 7)
To select the desired page group, turn the large 
right knob until a page from the desired group is 
displayed. 
To select the desired page within the group, turn 
the small right knob until the desired page is 
displayed. 
NAV Page Group
The NAV page group includes seven, or more, 
pages. While viewing any NAV page, turn the small 
right knob to select a different NAV page. You may 
find this selection process convenient to cycle between 
the default NAV and map pages—two of the most 
frequently used pages. Other pages are provided to 
list frequencies for your flight plan, show your current 
position, display current satellite reception, and make 
vertical navigation settings. 
Default NAVMapTerrain
VNAV
PositionSatellite StatusNAVCOM
The bottom right corner of the screen indicates which page group is currently being displayed (e.g., NAV or NRST), the 
number of screens available within that group (indicated by 
square icons) and the placement of the current screen within 
that group (indicated by a highlighted square icon). To select a  different page within the group, turn the small right knob. 
This part of the screen is also used to display the 400W-series turn advisories (e.g., “DTK 313° 9 S”, or LT TO 030° NOW) and 
waypoint alerts (e.g., “ARRIVING WPT” or “HOLD TEARDROP”)  during flight plan and approach operations. Seconds will be 
abbreviated as “S” and Now may be seen as “N”. See Section  5 for more information. 
Page Groups / NAV Page Group
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Default NAV Page
The first NAV page is the default NAV page. This 
page may be quickly selected from ANY page by using 
the CLR key. 
To select the NAV group and display the default NAV 
page, press and hold the CLR key. 
The default NAV page displays a graphic course 
deviation indicator (CDI) across the top of the page. 
Unlike the angular limits on a CDI coupled to a VOR 
or ILS receiver, full scale limits for this CDI are defined 
by a GPS-derived distance (2.0, 1.0 or 0.3 NM). By 
default, the CDI scale automatically adjusts to the 
desired limits based upon the current phase of flight: 
en route, terminal area or approach. 
Active Leg of Flight Plan
User- 
selectable  
Data Fields
Course Deviation Indicator (CDI)
Page location in NAV  group or advisory
 NOTE: Approaching the FAF, the GNS 400W-series 
unit automatically rescales in an angular fashion. 
This allows the LPV approach to be flown identically 
to a standard ILS. At 2.0 NM from the FAF, CDI scal-
ing is tightened from 1.0 to the angular full scale 
deflection defined for the approach. 
You may also manually select the desired scale set-
ting as outlined in the Aux Setup section. 
The graphic CDI shows your position at the center 
of the indicator, relative to the desired course (the 
moving course deviation needle). As with a traditional 
mechanical CDI, when you’re off course simply steer 
toward the needle. The TO/FROM arrow in the center 
of the scale indicates whether you are heading to the 
waypoint (an up arrow) or if you have passed the 
waypoint (a down arrow). 
The following symbols are used—on the default 
NAV page directly below the CDI—to depict the  “active leg” of a flight plan or direct-to: 
    Direct-To a Waypoint
    Course to a Waypoint, or Desired
    Course between Two Waypoints
  Right Procedure Turn
  Left Procedure Turn
     Vectors-To-Final 
    DME Arc to the left
    DME Arc to the right
  Left-hand Holding Pattern
  Right-hand Holding Pattern
Directly below the CDI appears the active leg of 
your flight plan, or the direct-to destination when 
using the direct-to key. This will automatically 
sequence to the next leg of your flight plan as you 
reach each interim waypoint. If no flight plan or 
direct-to destination has been selected, the destination 
field will remain blank. 
Default Nav Page
2 - NAV PAGES 
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