ECDIS User manual
77
4.3.4 Advanced Options
In some cases, after the recovery finished, ECDIS is still unavailable or not worked, it
might be caused by broken data. If you retried
General Recovery
and failed again,
you can try
Advanced Options
, such as Clear User Data, Clear Electrical Nautical
Charts, Factory Recovery. Since these options would be cleared some data, so if you
want to perform these steps, please be careful and referred to
Table 3 Description
of advanced options
.