RMC on the Online Background layer in the Layer Control to show options as shown in Figure 1. These options are described below.
Figure 1. Online Background: RMC options.
Properties
When this option is selected, the Online Background Map Properties form will appear. The form will allow selecting different kinds of maps by selecting from the drop-down list of Online Source as shown in Figure 2.
Zoom Levels: This field can't edit.
UTM Zone: the zone number in this field is from the UTM zone set to the model from the Model Grid form.
Figure 2. Online Background Map Properties.