C.4 Gdu 45X/46X - Garmin G3X Installation Manual

C.4 GDU 45X/46X

C.4.1 GPS Specifications
The GDU 45X/46X uses a high-sensitivity GPS receiver that continuously tracks and uses up to 12
satellites to compute and update its position. In an installation with multiple GDU 45X/46X units, each
GDU can be configured to use its own internal GPS receiver, or to receive GPS data transmitted by another
GDU. At least one GDU must be equipped with a GPS antenna. See
information.
Characteristics
Acquisition Time
Update Rate
Positional Accuracy
Antenna Power Supply
C.4.2 Environmental Specifications
The GDU 45X/46X has an Operating Temperature Range of -20°C to +60°C.
C.5 GEA 24
C.5.1 Environmental Specifications
The GEA 24 has an Operating Temperature Range of -45°C to +70°C.
C.6 GMC 305/307
C.6.1 Environmental Specifications
Table C-3 GMC 305/307 Environmental Specification
Characteristics
Operating Temperature Range
Humidity
Altitude Range
190-01115-01 G3X/G3X Touch Installation Manual - LRU Perf Specs/Licensing/Compliance
Rev. AA
Table C-2 GDU 45X/46X GPS Specifications
a) Warm Start (position known to 10 nm, time known to 10 minutes, with
valid almanac and ephemeris): Less than 5 seconds
b) Cold Start (position known to 300 nm, time known to 10 minutes, with
valid almanac): Less than 45 seconds
c) AutoLocate™ (with almanac, without initial position or time): Less than 60
seconds
5/second, continuous
<10 meters
Voltage (4.5 to 5.0), current (50 mA max)
Section 32.4.20
Specifications
Specifications
-45°C to +70°C
95% non-condensing
-1,500 ft to 55,000 ft
for further
Page C-2