To Fit All Images to a View

Do one of the following:

In the Raster group of the Attach tab, select the Fit to View tool, with Mode set to All Rasters.

or
In the Raster Manager dialog, select Display > Fit All Rasters To View.
Select the view(s) to fit.
The view updates with all raster images displayed.

Note: The MicroStation Fit View tool can also be used to display all displayable elements in attached raster references.