The Info palette appears alongside the display window. In PDF geometry design mode, you can use it to:

You can also perform some resizing or moving procedures in the display window, and rotate, flip, or invert the image using options in the Modify menu. 

Resizing or moving the media box

To resize the media box, perform one or more of the following actions:

To move the media box, on the Element tab, under Media box, change the values in the Offset boxes.

Resizing or moving the trim box

To resize the trim  box, perform one or more of the following actions:

To move the trim box, perform one or more of the following actions:

Defining a bleed around the trim box

  1. From the Info palette, on the Margins tab, select the Bleed check box. 
  2. In the Left, Right, Top, and Bottom boxes, type the bleed dimensions.
    These boxes define the bleed relative to the trim box.

Rotating, flipping, or inverting the image

You can use options in the Modify menu to manipulate the file in a variety of ways.