Table 1-4 General Specifications; Table 1-5 Power Requirements - Garmin GSU 75 Series Installation Manual

1.4.3 General Specifications
Table 1-4 contains general environmental specifications. For detailed specifications, see the
applicable Environmental Qualification Forms.
NOTE
The GSU 75 may require a warm-up period of 15 minutes to reach full accuracy (30
minutes if the environmental temperature is less that 0
Characteristics
Regulatory Compliance
Hardware Compliance
Unit Software
Aircraft Angular Rates
Aircraft Pressure Altitude Range
Aircraft Vertical Speed Range
Aircraft Airspeed Range
Aircraft Mach Range
Aircraft Total Air Temperature
Unit Operating Temperature*
Maximum Days of Continuous Operation
*If the ambient temperature is -45° or less, a warm-up period of 30 minutes is needed for the Air Data
Computer.
**-55° C to +65° C for 011-03094-00 Hardware Mod Level 1 units only
1.4.4 Power Requirements
Characteristic
Input Voltage
Operating Current Draw
including GMU 44
190-01639-00
Rev. 6
The document reference is online, please check the correspondence between the online documentation and the printed version.

Table 1-4 General Specifications

RTCA/DO-160E Environmental Conditions and
EUROCAE/ED-14E
N/A
GSU 75 - RTCA/DO-178B Level A
GMU 44 - RTCA/DO-178B Level B for all software
versions
± 250 °/s
-1,400 feet to +55,000 feet
-20,000 feet per minute to +20,000 feet per minute
20 Knots to 435 Knots
<1.00 Mach
-85° C to +85° C
-55° C to +70° C**
49

Table 1-5 Power Requirements

14/28 Vdc - See the Environmental Qualification Form for details on
surge ratings and minimum/maximum operating voltages.
0.38 Amps @ 27.5 Vdc
C).
°
Specifications
Specification
GSU 75 ADAHRS Installation Manual
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