method for situation recovery, location and identification of replaceable unit on the front line

摘要

these are systems and methods for recording and monitoring a situation of a plurality of units of an onboard entertainment system arranged inside a vehicle. with the use of a portable computing device, each of the units can be registered with the server by reading a unique machine-readable identifier placed on or near each unit. the identifier could be a bar code or other evidence or an nfc tag, for example. location information about each unit can also be obtained through manual entry or by reading a second identifier.