D. INTRODUCTION

The DirecPC Antenna Installation Guide provides information required to install your antenna on the universal antenna mount.

Note: If you plan to install the antenna on a DirecPC non-penetrating antenna mount or DirecPC pole mount instead of the universal mount, refer to the installation guide that came with the antenna mount you will be installing.

This guide is intended for an installer experienced in performing the various tasks described in this guide. Depending on how you will install the antenna, you may be required to:

• Use a power drill to drill holes into your house.
• Determine whether there are water pipes, electrical wiring, or gas lines hidden in the walls near where you will be drilling.
• Route coaxial cable through the foundation wall, under floors, and through interior walls.
• Ground the antenna and coaxial cable as recommended in the National Electrical Code (published by the National Fire Protection Association, Batterymarch Park, Quincy, MA 02269).

Note: Before installing the antenna, check local zoning codes, covenants, and other restrictions. Some communities prohibit installing satellite antennas or place limits on the mounting height of the antenna.

If you do not feel comfortable about performing these tasks or complying with installation requirements, contact your DirecPC dealer for information on having your system installed by an authorized professional installer.

E. LOCATING THE SATELLITE

The satellite is located approximately 22,300 miles (35,900 kilo-meters) in orbit above the equator. The orbit is referred to as being geostationary because the satellite travels above Earths equator from west to east at a speed matching that of Earths rotation, thus remaining stationary in relation to Earth. To aim the antenna at the satellite you need to know the azimuth and elevation angles. As shown in the diagram at right, you set the antenna to the correct azimuth angle by turning it from side to side. You set the elevation by tilting the antenna up or down.

Before you install the antenna, make sure:

1. The DirecPC adapter has been installed. (If not, refer to chapter 2, Installing the DirecPC adapter in Getting Started.)
2. The DirecPC software has already been installed. (If not, see chapter 3, Installing the DirecPC Navigator in Getting Started.)
3. You have run the Auto Setup program and reached the Antenna Pointing section. (If not, refer to chapter 4, Configuring the DirecPC software and DirecPC adapter in Getting Started.)

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