Attribute: Scale minimum
Attribute type: I
The minimum scale at which the object may be used e.g. for ECDIS presentation.
Minimum Value: 1
the modulus of the scale is indicated, that is 1:1 250 000 is encoded as 1250000;
If a particular minimum scale is specified as 1:1 250 000 (encoded as 1250000), and example of a smaller scale would be 1:2 000 000 (encoded as 2000000);