Operating device for navigation, positioning, emergency alarm, warning and other communication systems etc. has safety device for ensuring operation of functional components in event of emergency

摘要

The operating device includes a base power supply (13,130,131), a screen (11), switches and connectors (12 etc.), antennas (14,141,142), an input unit (19) and other components. A safety device is included which ensures the operation of the functional components in the event of an emergency. The device may include an emergency power supply (131,132).