A:
Hi Frances, To switch the aspect ratio, please go to the menu of the DVD and then select SCREEN SETUP then go to TV TYPE. Under TV TYPE you can choose between 16:9, 4:3 LETTERBOX, and
4:3 PAN SCAN. Ref: https://www.sony.com/electronics/support/res/manuals/4447/d1526642f56f7d2c942c4598ea9add71/44474743M.pdf (page 1) -Sam