Installation and Operation
Safety-Conscious Utilization
DV16401.03 Issue 04 May 2021 BD406/PBD406 21
1.5 Safety-Conscious Utilization
The device(s) may be installed on an aircraft only by an approved aeronautical
company (e.g. Part 145) which shall also examine the installation.
• The installation of the device into an aircraft may be carried out only by an
authorized installation company. The country regulations always must be
obeyed.
• Use the product only in the specified conditions, see "Technical Data",
page 23.
• Power supply:
o Do not connect the device to AC sources.
o Make sure that the device is connected to the mandatory DC source, see
"Technical Data", page 23.
o Do not connect the device with reversed polarity to the DC source.
• Circuit breaker:
o Use the applicable fuses in the power supply line for protection of the
application, see "Technical Data", page 23.
• Use ONLY active antennas in the specified conditions, see "Technical Data",
page 23.
• Do not connect passive GPS antennas to the GPS TNC input.
• Never short-circuit the PBD406 battery.
• Do not expose the PBD406 to temperatures > 50 °C for a longer time.
Overheating of the device battery can cause a risk of bursting and explosion.
• Obey all additional safety instructions in this manual.
Excessive pulses on the DC bus of the aircraft may cause damage on electrical
circuits of any installed instrument.
Do not turn on the device during engine start or shutdown.
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