Final answer:
The EICAS provides the flight crew with a multi-level alert messaging system, allowing them to receive alerts about abnormal or critical conditions during the flight.
Step-by-step explanation:
The EICAS provides the flight crew with a multi-level alert messaging system. This system is designed to alert the crew about any abnormal or critical conditions that may arise during the flight. It provides different levels of alerts depending on the severity of the situation, enabling the crew to take appropriate actions in a timely manner.