Samsung SP-R4232 Owner's Instructions Manual page 46

Using the "-" Button
The "-" button is used to select stations that broadcast both a digital and analog signal.
For example, for Channel 7-1 (digital), press "7", then "-",
then "1".
For channel 7-2 (analog), press "7", then "-", then "2".
Notes
• HD indicates the TV is receiving a Digital High Definition signal.
SD indicates the TV is receiving a Standard Definition signal.
• For quick channel change, press the number buttons, then press the ENTER button.
46
DTV CABLE
7 - 1
KYW-HD
HD
DTV CABLE
7 - 2
R
SD
Multi