B&G Deckman - Manual (Page 58)

Chart Layers
3.31
Chart Layers
This is where you can control which layers are turned on or off on your
vector charts. The procedures for C-Map charts and Livecharts are
slightly different, so make sure you refer to the correct section below.
C-Map
Select menu>charts>chart settings and you will be presented with a
dialog (see Figure 3.14) which allows you to choose which layers you
wish to see shown on your display.
Livecharts
Note. The way you turn layers on and off here will depend on your
dongle type.
For an old style, Livechart-only dongle (serial number beginning 1071)
choose menu>layers and then one of the following options:
Figure 3.14