Samsung 204Ts - Manual (Page 28)

Menu Description
SOURCE
Selects the video signal while the OSD is off.
(When the source button is pressed to change the input mode, a message
appears in the upper left of the screen displaying the current mode --
Analog, Digital, Video and S-Video input signal.)
Note : If you select the Digital mode, you must connect your monitor to the
graphic card's or Digital DVD's DVI port using the DVI cable.
PIP
Menu Description
PIP Push the PIP button to turn PIP screen On/Off.
SOURCE