Garmin GNS 430 Pilot Operating Handbook page 7

Cirrus Design
SR20
b. GPS 2 in this configuration is a GARMIN GNS 430 GPS
Navigator with VHF Com interfaced with the CDI (VOR/LOC/
ILS/GS Indicator). Pressing the alternate-action CDI push-
button on GPS 2 alternately selects GPS or NAV for display in
the CDI each time the button is depressed. The HSI source is
indicated by illumination of the "GPS" or "VLOC" annunciation
in the lower left corner of the GNS 430 display.
The CDI displays course deviation from a VOR, Localizer
(LOC) or Glideslope (G/S) when VLOC is the navigation
source and displays GPS track deviation when GPS is
the selected navigation source.
Deactivate GPS
1. Navigator Com/ Power Switch .......................... Rotate CCW 'OFF'
Section 5 - Performance
No change from basic Handbook.
Section 6 - Weight & Balance
No change from basic Handbook.
Section 7 - Systems Description
This supplement provides a general description of the Garmin
GNS 430, its operation, and SR20 interface. For a detailed
description of the GNS 430 and full operation instructions refer
to the Garmin GNS 430 Pilot's Guide and Reference, P/N 190-
00140-00, Revision F dated July 2000 (or later appropriate
revision).
The following paragraphs describe a single GARMIN GNS
430 unit and its functions. In the event a second GNS 430 is
installed, the second unit will function as described below
except that the GPS navigator is designated GPS 2, the NAV
receiver is designated NAV 2, and the VHF communications
receiver is designated COM 2. The GPS 2 GPS navigator and
P/N 11934-S22
Revision 2: 08-15-07
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Section 9
Supplements
7 of 10