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1 Introduction
1.1 Digital Satellite Television
DIRECTV
®
, DISH Network
™
, and ExpressVu systems transmit
digital audio and video data from land-based transmitters to a
satellite “parked” above the equator. Each satellite relays the
signals in spot beams covering the continental United States.
TracVision LF/SF automatically identifies, locks onto, and
receives signals from the appropriate satellite. TracVision SF is
designed for stationary use only; TracVision LF works while your
vehicle is at rest and in motion.
1.2 System Overview
A complete satellite TV system includes the TracVision LF/SF
connected to an IRD (satellite TV receiver) and a television set. A
desktop or laptop computer is used to conduct diagnostics. The
complete system is illustrated in Figure 1-1. System specifications
and a wiring diagram are provided in Appendices A and B,
respectively.
1-1
Introduction
54-0194 Rev. D
11-16 Volts DC
2.5-3.5 Amps
Satellite Receiver 1
RF2
Options Purchased Separately
TV 1
Data/Power
Vehicle
Power
Switchplate
PC Maintenance
Satellite Receiver 2TV 2 Laptop PC
TracVision Antenna
RF1
Data (optional)
Baseplate
Radome
Figure 1-1
TracVision LF/SF System
Configuration
KVH offers an upgrade kit (KVH
Part #02-1026) that adds in-motion
tracking capability to the
TracVision SF, allowing you to
receive satellite signals while on
the move.