Getting Started
ViewSonic 19 VT2645 / VT3245 / VT3745
English
Contact ViewSonic service team at: http://www.ViewSonic.com or call our service team: United States 1-800-688-6688, Canada 1-866-463-4775
Connecting the LCD TV

Cable System or VHF/UHF Antenna System

Enjoy the high-definition and standard-definition digital programming along with standard
definition analog programming.
• This TV is capable of receiving unscrambled digital programming for both cable and
external VHF/UHF antenna.
• We strongly recommend that you connect the antenna/cable input using a 75-ohm coax-
ial cable (not supplied) to ensure the best picture quality.
Cable or VHF/UHF
75-ohm coaxial cable Rear of TV VHF/UHF/CABLE input

Cable System and VHF/UHF Antenna System

Use an optional A-B RF switch (not supplied) to switch between the cable and antenna pro-
gramming, as shown below.
• Remember to set the TV Source setting in the CHANNEL menu to Air or Cable for the
type you choose.
Cable
Antenna
Rear of TV VHF/
UHF/CABLE
input