ClickFormat
menu Layer.At the Command prompt, enter
layer.
In the Layer Properties Manager, select the layer or layers you
want to be automatically frozen or thawed in new viewports you
create.
Hold down CTRL
to select more than one layer. Hold down SHIFT to select a sequence
of layers.
In the New VP Freeze column, click the icon to change a layer's
state. The sun icon means that a layer is thawed; the snowflake
icon means that a layer is frozen.