Serial Interface; Regulatory Compliance - Garmin GNS 480 Installation Manual

General Information
1.3.10.2 Comm Antenna
The GNS 480 requires a VHF comm antenna meeting the following specifications:
•
Standard 50Ω vertically polarized antenna with a VSWR < 2.5:1
•
TSO C37d, and TSO C38d
1.3.10.3 VHF Antenna
The GNS 480 requires a VHF NAV antenna meeting the following specifications:
• Standard 50 Ω horizontally polarized antenna with a VSWR < 3:1
•
Capable of receiving VOR/LOC/GS (Such as: Comant Industries P/N CI 157P)
•
108.00 – 117.95 MHz (VOR/LOC)
•
328.60 – 335.4 MHz (GS)
•
TSO C34e, TSO C36e, and TSO C40c
1.3.11 S I
ERIAL NTERFACE
RS-232 Defined in Appendix B- Serial Interface Specifications
1.4 R
EGULATORY
1.4.1 TSO/JTSO
•
TSO-C34e/JTSO-C34e, ILS Glide Slope Receiving Equipment Operating Within the Radio
Frequency Range of 328.6-335.4 Megahertz (MHz)
•
TSO-C36e/JTSO-C36e, Airborne ILS Localizer Receiving Equipment Operating Within the
Radio Frequency Range of 108-112 Megahertz (MHz)
•
TSO-C37d/JTSO-2C37e, VHF Radio Communications Receiving Equipment Operating Within
the Radio Frequency Range 117.975 to 137.000 Megahertz
•
TSO-C38d/JTSO-2C38e Class D, VHF Radio Communications Transmitting Equipment
Operating Within the Radio Frequency Range 117.975 to 137.000 Megahertz
•
TSO-C40c/JTSO-2C40, VOR Receiving Equipment Operating Within the Radio Frequency
Range of 108-117.95 Megahertz (MHz)
•
TSO-C113/JTSO-C113, Airborne Multipurpose Electronic Displays
•
TSO-C128/JTSO-2C128, Devices That Prevent Blocked Channels Used in Two-Way Radio
Communications Due to Unintentional Transmission
•
TSO-C146a/JTSO-C146 Class 3, Stand-Alone Airborne Navigation Equipment using the Global
Positioning System (GPS) Augmented by the Wide Area Augmentation System (WAAS)
•
AC 20-67B, Airborne VHF Communications Equipment Installations
•
AC43.13-1B, Acceptable Methods, Techniques and Practices - Aircraft Inspection and Repair
•
AC43.13-2A, Acceptable Methods, Techniques and Practices - Aircraft Alterations
Unauthorized changes or modifications to the GNS 480 may void the compliance to
required regulations and authorization for continued equipment usage.
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C
OMPLIANCE
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NOTE
560-0982-01 Rev A
R
EFERENCES
GNS 480 (CNX80) Installation Manual