Once open opened, the default 2DH View will be displayed as shown as Figure 1. There are six Six default layers are added to the Layer Control including Boundaries, Grid Connections, Masks, Model Grid, Bottom Elevation, and Online Background. As a For the default setting, only the Model Grid and Bottom Elevation are turned on. To turn on all layers, click the icon with three vertical dash on lines at the top of the Layer Control then select the Turn on All Layers on option as shown in Figure 2.
...
Figure 2 Turn on all default layers in the 2DH View window.
There is are a number of options from available by using RMC on each layer. They These options are described in the following sub-pages.:
Boundaries Layer - RMC options
Grid Connections Layer - RMC options
Model Grid Layer - RMC options
Bottom Elevation Layer - RMC options
Online Background Layer - RMC options