190-01182-02 GTR 225/GNC 255 TSO Installation Manual
Rev. F Page 1-3
1.3 General Specifications
Table 1-2 Physical Specifications
Table 1-3 Display Specifications
The display on the GTR/GNC is a sunlight readable LCD display.
Characteristics Specifications
Bezel height 1.65" (41.9 mm)
Bezel width 6.25" (158.8 mm)
Rack height (dimple-to-dimple) 1.72" (43.82 mm)
Rack width 6.30" (160.02 mm)
Depth behind panel with connectors (measured from
face of aircraft panel to rear of connector backshells)
11.23"
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)
Operating temperature range
-20C to +55C
For more details refer to the
environmental qualification forms at
Garmin’s Dealer Resource Center
. See
appendix A for form 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
Current draw See table 1-9
Superflag power requirements 320 mA maximum per superflag output
Environmental testing
For more details refer to the
environmental qualification forms at
Garmin’s Dealer Resource Center
. See
appendix A for form part numbers.
Characteristics Specifications
Display size
Width: 3.46" (88.0 mm)
Height: 0.843" (21.4 mm)
Active area
Width: 2.95" (74.98 mm)
Height: 0.486" (12.36 mm)
Resolution 200 x 33 pixels
Viewing angles
(Direction of pilot’s viewing angle)
Left: 45
Right: 45°
From Top: 30
From Bottom: 10
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