Older answers suggested restarting ECDIS for sensor loss. The updated correct answer:
Sensors > Reinitialize I/O module (soft reset) – restarting takes too long and is a last resort.

When it comes to testing and getting certified on such systems, the process typically involves understanding the operational, safety, and emergency procedures related to the system. Here are some steps and considerations:

Correct Response:

The Navi-Sailor 4000 is a sophisticated piece of equipment used for navigation at sea. It combines various technologies to provide real-time information to sailors and officers on duty. The system includes features like:

Updated Answer:
This indicates that the required S-57 or S-63 electronic navigational chart cells are not loaded or are outside the current permit interval. Steps:

Common mistake: Assuming it’s a GPS error. It is almost always a chart licensing or cell loading issue.

In practical tests, you will be given a scenario. Here are three typical ones with the expected correct actions.

Updated Answer:
On the Navi Sailor 4000, anti-grounding is not automated like AIS CPA alarms. To manually check: