Eclipse EA500 Maintenance Manual page 96

2. Description
SUBTASK AMM-34-50-10-081-B-871-001
A. Garmin GPS 400W
(1) The left-side GPS 400W is referred to as "GPS 1" and the right side GPS 400W
installed will be called "GPS 2".
If ADS-B function is installed, both GPS units are configured to output ADS-B OUT
GPS position data in the Garmin model GTX33 transponder compatible format. This
requires both GPS units to be at a specific software level as noted in the
configuration procedures that follow.
NOTE: Only GPS 1 has RS-232 interface with XPDR 1. ADS-B OUT data is then
broadcast using XPDR 1 only.
B. Physical Installation
(1) Two GPS 400W units are installed as standard equipment in the location formerly
occupied by the left and right keyboard.
(2) The aft combo antenna is connected to the right GPS 400W ("GPS 2") and the
forward combo antenna is connected to the left GPS 400W ("GPS 1").
3. Operation
SUBTASK AMM-34-50-10-081-B-871-002
NOTE: Refer to AMM-34-50-10-051-A-801 – GPS - Maintenance Practices
operating information and instructions for configuring the unit to the aircraft.
A. Two GPS antennas (Combination Antennas) and two GPS/WAAS units make up the
GPS system on this aircraft. The GPS processes signals from satellites to give the
position of the aircraft and to calculate navigation and flight data.
B. GPS 400W Standby Altitude/Airspeed Indication ( Standby Indication and Electrical
Provisions Package Option)
(1) If the optional Standby Indication and Electrical Provisions Package (i.e., GPS 400W
Standby Altitude/Airspeed Indication) is installed, then an additional and independent
display of altitude and airspeed is provided. The Left GPS 400W will display "IND
ALT" and "CAS", actually KEAS as provided by ADC 3 through the ACS. The ADC3
data is displayed on the Left GPS 400W AUX page group, Flight Planning page,
Density Alt / TAS / Winds selection.
EFFECTIVITY: 0001-0262 POST SB 500-99-005; AND
0266-0267; ALL POST MB 500-31-018
EA500 Aircraft Maintenance Manual — 06-117751
© 2020 Eclipse Aerospace, Inc.
Temporary Revision No. 34-21
for general
34-50-10
CONFIG B
Sep 30/20
Page 2