Garmin Apollo CNX80 Installation Manaul - page 67
Installation Procedures
GNS 480 (CNX80) Installation Manual
560-0982-01 Rev L
2-35
The GNS 480 can provide DME tuning data to the DB30 using a reserved transmit port. This reserved
output cannot be configured.
Refer to section 3.2.1.1 for a list of available serial port configurations, and information on configuring the
serial ports.
2.8.10.2
ARINC 429
The GNS 480 provides three ARINC 429 inputs and two ARINC 429 outputs. Each of these may be
configured for low-speed or high-speed operation.
2.8.10.2.1
ARINC 429 Inputs
P5-7
429 IN 1A
P5-27
429 IN 1B
P5-8
429 IN 2A
P5-28
429 IN 2B
P5-9
429 IN 3A
P5-29
429 IN 3B
The GNS 480 can receive air data, heading data, wind data, traffic data and selected course from suitable
equipment. The labels that are used by the GNS 480 depend upon the port configuration. Below is a list
of available input configurations and the labels accepted by each one:
1. ADC
2. AHRS
3. EFIS
(software version 1.3 and later)
4. SKYWATCH
(software version 2.0 and later)
5. SKYWATCN NO UI
(software version 2.0 and later)
6. GARMIN GDU
(software version 2.3 and later)
NOTE
Not all configurations are available for each input channel. Refer to section 3.2.1.2 to
determine which configurations are available for each ARINC 429 input channel.
Table 2-9. ARINC 429 Input Labels
Label
No.
Parameter
Name
1 2 3 4 5 6
100 Selected
Course
● ●
130 Intruder
Range
●
●
131 Intruder
Altitude
(relative)
●
●
132 Intruder
Bearing
Estimate
●
●
203 Pressure
Altitude
● ● ● ●
204
Baro Corrected Altitude
●
●
●
●
210 True
Airspeed
● ● ● ●
212
Pressure Altitude Rate
●
●
●
●
270
Vertical RA Data Output
●
●
274 Selected
Sensitivity
Level
●
●
314 Heading
(True)
● ● ● ●
315 Wind
Speed
●
●
●
316 Wind
Direction
(True)
●
●
●
320 Heading
(Magnetic)
[1]
● ● ● ● ● ●
350 Maintenance
●
●
357 RTS
/
ETX
●
●
Notes: [1]
For configurations 4 and 5, label 320 magnetic heading is only used for traffic display
purposes.
Refer to section 3.2.1.2 for information on configuring the ARINC 429 inputs.