88 BD406/PBD406 DV16401.03 Issue 04 May 2021
Power Interrupt Indication
• Message to the user about power supply malfunction
(depends on configuration).
• Do a check of the installation wiring and power supply
conditions.
3.4 Operation Modes
BD406 can work in two different modes.
Installation Mode:
• The installation mode is for qualified ground technicians to set the equipment in an aircraft
and must not be used in flight (see installation manual for details).
Mission Mode:
• The mission mode is for typical rescue mission see "Mission Mode" page 91.
Notice - BD406 without control head:
These operation modes are not applicable.
To control and read the test results, status and messages an external control interface is required.