Garmin GNC 255 Installation Manual - page 16
GTR 225/GNC 255 TSO Installation Manual
190-01182-02
Page 1-2
Rev. B
NOTE
All screen shots used in this document are current at the time of publication. Screen shots
are intended to provide visual reference only. All information depicted in screen shots,
including software file names, versions, and part numbers, is subject to change and may
not be up to date.
1.3 Technical Specifications
1.3.1 Physical Characteristics
1.3.2 General Specifications
Characteristics
Specifications
Bezel Height
1.65 in (41.9 mm)
Bezel Width
6.25 in (158.8 mm)
Rack Height (Dimple-to-Dimple)
1.72 in (43.82 mm)
Rack Width
6.30 in (160.02 mm)
Depth Behind Panel with Connectors (Measured from
face of aircraft panel to rear of connector backshells)
11.23 in
GTR 225 Weight (Unit Only)
2.36 lbs (1.07 kg)
GNC 255 Weight (Unit Only)
3.02 lbs (1.37 kg)
GTR 225 (Installed with rack and connectors)
3.06 lbs (1.39 kg)
GNC 255 (Installed with rack and connectors)
3.96 lbs (1.80 kg)
Characteristics
Specifications
Operating Temperature Range
-20
C to +55C. For more details see
Environmental Qualification Form on the
Dealers Only page on www.garmin.com.
See Appendix A for part numbers.
Humidity
95% non-condensing
Altitude Range
-1,500 ft to 55,000 ft
Input Voltage Range (COM Connector)
9 to 33 VDC
Input Voltage Range (NAV Connector)
9 to 33 VDC
GTR Current Draw
Refer to Table 1-2
Superflag Power Requirements
320 mA maximum per superflag output
Environmental Testing
See Environmental Qualification Form on
the Dealers Only page on
www.garmin.com. See Appendix A for part
numbers.