All you need to understand in order to manage this fundamental change from navigating by paper charts to navigating by ECDIS is covered. This theoretical knowledge is made real through contributions from sea-going members of The Nautical Institute who have been using electronic charts for some time. Unsurprisingly, many of these contributions relate to training.
Best practice is encapsulated in the industry recommendations for ECDIS training and familiarisation (including a familiarisation checklist), drawn up by a group coordinated by the Institute, which are included as appendices.