CS4 - My 4:3 Menu design imports as 16:9

my 4:3 menu design imports 16:9 , not display right after select 4:3 aspect ratio in basic properties dialog box.  click on "correct menu pixels tv display" , in menu display apper correct.  when right click on menu , press "preview here" shows black bars on sides.  doing wrong , how fix this?  using cs4 matrox rt.x2 card , xtools v 4.0.1

 

thanks,

 

doug

by way.  yes image size in photoshop 720 x 480 pixel aspect ratio of 9.  have black edges along sides of menus in encore cs4.

 

please help!

 

doug

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