HP PL4270N User Manual page 56

Cable type/
connection
Coaxial antenna
AIR IN
VGA
Digital audio
RCA
RS-232
Power cord
46
HP HDTV User's Guide
Description (Continued)
RF or coaxial used for antennas or cable connections. Often used with a cable or a
satellite decoder (set-top box), if no other choice is available.
Interface used with PCs and monitors.
High-resolution optical audio cable used for optional external audio systems, such
as 5.1 channel surround sound.
Red and white audio connectors that connect to the red and white (L and R) audio
inputs.
Serial interface used for commercial purposes only.
Connects the TV to the AC power outlet.