Figure 1-3. Sample Dual; S Ystems - Garmin GNS 480 Installation Manaul

General Information
COM GPS COM NAV
Antenna Antenna Antenna Antenna
Splitter
MD200-306
430-6066-000
1.2.2.1 CDI
The GNS 480 is capable of driving one external course deviation indicator (CDI) with information based
upon VHF NAV or GPS data. The GNS 480 also accepts a resolver input from this CDI. The GNS 480 is
capable of driving a second external CDI with information based upon GPS data.
1.2.2.2 Composite Indicator
The GNS 480 is capable of driving an external composite indicator with information based upon VHF
NAV data.
1.2.2.3 RMI
The GNS 480 is capable of driving an external RMI (or OBI) navigation indicator with a digital clock /
data / sync interface.
1.2.2.4 DME
The GNS 480 can channel a DME based upon the tuned VOR frequency. Currently, the GNS 480 only
supports the King Serial DME channeling format.
1-4
GPS
Antenna
SL15M Audio Selector Panel
430-6065-XX
Audio Output
Circuit Breaker
10-36 VDC
MD200-306
430-6066-000
Circuit Breaker
11-30 VDC
Figure 1-3. Sample Dual GNS 480 System Diagram
560-0982-01 Rev L
GMX 200 or MX20 MFD
GNS 480 (CNX80) Installation Manual
GDU 620 PFD/MFD
GPS Position
Flight Plan
Altitude
Encoder
ARINC 429
RS-232
RS-232
Baro Potentiometer
ARINC 429
RS-232