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G3X Installation Manual – GSU 73 Page 4-3
190-01115-01 Revision A
4.3 Environmental Specifications
The GSU 73 is a non-TSO’d product, Table 4-2 lists general environmental specifications.
NOTE
The GSU 73 may require a warm-up period of 15 minutes to reach full
accuracy (30 minutes if the environmental temperature is less than 0°C).
Table 4-2. GSU 73 Environmental Specifications
Characteristic Specification
Aircraft Pressure Altitude Range -1,400 feet to 50,000 Feet
Aircraft Vertical Speed Range -20,000 feet per minute to +20,000 feet per minute
Aircraft Airspeed Range 450 Knots
Aircraft Mach Range <1.00 Mach
Aircraft Total Air Temperature Range
-85°C to +85°C
Unit Operating Temperature Range
-40°C to +70°C
Max Outer Case Temperature
+73°C
4.4 Installation Requirements
4.4.1 Required Equipment
Table 4-3 lists the kits available for the GSU 73.
Table 4-3. GSU 73 Available Equipment
Item Garmin P/N Quantity
Configuration Module w/EEPROM and Jackscrew, Kit 011-00979-20** 1
Thermocouple Kit 011-00981-00** 1
Unit Assembly, GSU 73 011-01817-00* 1
P731 Connector Kit, GSU 73 011-01818-00** 1
P732 Connector Kit, GSU 73 011-01818-01** 1
*Included in G3X LRU Kit (K10-00016-00)
**Included in G3X Installation Kit (K10-00017-00)
Table 4-4. Contents of P731 Connector Kit (011-01818-00)**
Item Garmin P/N Quantity
Sub-Assy,Backshell w/Hdw,Jackscrew 011-01855-03 1
Connector ,Hi Dens, D-Sub, Mil Crimp 62ck 330-00185-62 1
Contact Pin, Mil Crimp, Size 22D 336-00021-00 20
**Included in G3X Installation Kit (K10-00017-00)