Garmin GNS 480 User Manual

General Information
GNS 480 (CNX80) Installation Manual 560-0982-01 Rev L 1-9
1.3.8 NAV Receiver Performance
1.3.8.1 VOR
TSO compliance ............................................TSO-C40c (RTCA/DO-196)
Operational class............................................N/A
Accuracy category .........................................B {-46
o
C to + 55
o
C }
Frequency range ............................................108.00 to 117.95 MHz in 50 kHz increments
Frequency tolerance.......................................0.0008%
Cross modulation products ............................At least 60 dB down
Receiver sensitivity........................................108 MHz –115 dBm typical
117 MHz –117 dBm typical
Course accuracy.............................................RTCA DO-196 two sigma limit: 3
o
GNS 480 performance: less than 0.5
o
typical
Audio output..................................................With a 1 kHz tone 30% modulation at least 100 mW
output into 500 Ω loads
Ident/voice .....................................................With 100 mV input, 30% modulation at 1020 Hz, the
ident/voice tone ratio shall not be less than15 dB
Audio response ..............................................Less than 6 dB variation from 350 Hz to 2500 Hz
1.3.8.2 Localizer
TSO compliance ............................................TSO-C36e (RTCA/DO-195)
Operational class............................................A {manual landing systems}
Accuracy category .........................................B {-46
o
C to + 55
o
C }
Frequency range ............................................108.00 to 111.95 MHz
Frequency tolerance.......................................0.0008%
Cross modulation products ............................At least 60 dB down
Receiver sensitivity........................................-115 dBm typical
Centering error...............................................RTCA DO-195 two sigma limit: 6.6% of full scale
GNS 480 performance: less than 1.0% typical (1.5 mV)
Audio output..................................................With a 1 kHz tone 30% modulation at least 100 mW
output into 500 Ω loads
Ident/voice .....................................................With 100 mV input, 30% modulation at 1020 Hz, the
ident/voice tone ratio shall not be less than15 dB
Audio response ..............................................Less than 6 dB variation from 350 Hz to 2500 Hz
1.3.8.3 Glideslope
TSO compliance ............................................TSO-C34e (RTCA/DO-192)
Operational class............................................N/A
Accuracy category .........................................B {-46
o
C to + 55
o
C }
Frequency range ............................................329.150 to 335.00 MHz
Frequency tolerance.......................................0.0008%

Garmin GNS 480 Specifications

General

Brand	Garmin
Model	GNS 480
Category	GPS
Language	English