Genesys GDR- COM Series, Installation Manual, Page: 18 / 62

GDR-XXXX NAV/COM INSTALLATION MANUAL
CHAPTER 1 – INTRODUCTION
64-000109 Page 18 of 62
Note: When Sidetone is combined with the normal receiver output, the Sidetone will be -6 dB
or 25 mW at 0.25 V
RMS
audio input.
10. ENVIRONMENTAL SPECIFICATIONS
The GDR-XXXX meets the following environmental testing requirements from DO-160F:
Sec. Condition Cat. Test Category Description Notes
4.0 Temperature and
Altitude F2 Equipment intended for installation in a non-pressurized
but controlled temperature location on an aircraft that is
operated at altitudes up to 50,000 ft. MSL.
Operating High: +70˚C
Operating Low: -
55˚C
Ground Survival High:
+85˚C
Ground Survival Low: -
55˚C
Altitude: 50,000 feet
4.5.5 In-Flight Loss of
Cooling
X No cooling is required
4.62
4.63 Decompression
and
Overpressure X
5.0 Temperature
Variation A Equipment external to the aircraft or internal to the
aircraft at 10°C/min.
6.0 Humidity B Equipment intended for installation in civil aircraft, non-
civil transport aircraft and other classes, within non-
environmentally controlled compartments of aircraft in
which more severe humidity environment may be
encountered.
7.0 Operational
Shocks
& Crash Safety B Equipment generally installed in fixed-wing aircraft or
helicopters and tested for standard operational shock
and crash safety.
8.0 Vibration S
U2
U - (Helicopter w/Unknown Frequencies) Demonstrates
performance at higher vibration levels and after long
term vibration exposure for fuselage and instrument
panel equipment when the specific rotor frequencies
are unknown. Fixed wing sine curve M &
B
Random vibration curves
F&F1
9.0 Explosive
Atmosphere X
10.0 Waterproofness W Equipment is installed in locations where it may be
subjected to falling water, such as condensation.
11.0 Fluids
Susceptibility
X
12.0 Sand and Dust S Equipment installed in locations where the equipment is
subjected to blowing dust in the course of normal
aircraft operations.
13.0 Fungus
Resistance
F Demonstrate whether equipment material is adversely
affected by fungi growth. By Analysis
14.0 Salt Fog S
15.0 Magnetic Effect Z Magnetic deflection distance less than 0.3m.
16.0 Power Input Z DC equipment intended for use on aircraft electrical
systems supplied by engine-driven alternator/rectifiers,
or DC generators where a battery of significant capacity
is floating on the DC bus at all times.