Final answer:
Taking off with any thrust reverser warnings or EICAS caution messages is unsafe and not permitted, as these indicate potential safety issues with the aircraft.
Step-by-step explanation:
The outcome of taking off with any thrust reverser icons or EICAS warning and/or caution messages displayed is that it is not allowed and can be unsafe to take off. Thrust reversers are critical safety components of an aircraft that are used to decelerate the aircraft upon landing. The Engine Indicating and Crew Alerting System (EICAS) provides the pilot with essential information about the aircraft's engines and systems. Taking off with warnings or cautions about the thrust reversers can lead to dangerous situations since these systems are not to be active during takeoff. Therefore, any indication that they might not function correctly requires immediate attention and rectification before flight.
When any thrust reverser icons or EICAS warning and/or caution messages are displayed, it is not allowed to take off. These warnings indicate potential malfunctions or issues with the engines or aircraft systems, and taking off in such conditions can be unsafe. It is important to address the warning or caution messages, resolve the issues, and ensure that all systems are functioning properly before proceeding with takeoff.