Topfield TF 5400 PVR - Manual (Page 28)

22 Preference Settings
You can enjoy well both wide-screen programs and normal-
screen programs with your wide-screen television as the above
figures show. The left figure shows a wide picture displayed
in the wide screen, and the right figure shows a normal picture
displayed in the wide screen.
If you have a normal-screen television, set the TV Aspect Ratio
option to 4:3.
You cannot fully enjoy wide-screen programs with your normal-
screen television as the above figures show. The left figure
shows a normal picture displayed in the normal screen. To
watch wide-screen programs in the shape like the center fig-
ure, set the 16:9 Display Format option to Letter Box. Wide-
screen pictures then will be reduced to fit to the width of the
normal screen. Otherwise to watch them in the shape like the
right figure, set the option to Center Extract. Wide-screen pic-
tures then will be cut out on the left and right sides equally to
fit to the width of the normal screen.
3.2.5 Sound mode
Basically, there are two audio sources as you can find two au-
dio sockets on the back panel of the digital receiver. You can