Operator Manual
4--4
4343DOC020102
Edition: January 2016
4.3
Info / Select
Select and view the different charts you have available for the world or the
currently displayed region.
4.3.1
Info / Select -- ENC + CM93/3 -- Chart Type
Info about ENC and CM93/3 Chart Type
The C--MAP 93/3 Database is a seamless product. It consists of different scale
layers, corresponding to as many navigational purposes of ENC and 93/3; each
layer includes electronic charts with similar compilation scale, organized into a
continuous coverage. The following scale layers are defined:
(1) Background, small scale
(2) Background, medium scale
(3) Overview
(4) General
(5) Coastal
(6) Approach
(7) Harbor
(8) Berthing
Where an overlapping between two charts into the same scale layer occurs, this
is resolved giving priority to one chart, according to the following criteria:
If an ENC data set overlaps a non--ENC data set, the ENC data set takes
precedence.
If two ENC data sets overlaps with each other, the one that was issued latest
takes precedence. The other data set may remain included in the ENC
database, but it is no longer regarded as an ENC, since it violates one of the
fundamental principles ENC (i.e. the exclusivity of data).
Summary of Contents for SYNAPSIS ECDIS
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