Introduction; Disclaimer; Scope; Notice - DirecTV D10 Installation Manual

DIRECTV Set-Top Box Information for the Installer

1 Introduction

1.1 Disclaimer

DIRECTV makes no representations or warranties, express or implied, that use of the technologies
described in this specification will not infringe patents, copyrights, or other intellectual property rights
of third parties. Nothing in this specification should be construed as granting permission to use any of
the technologies described. Anyone planning to make use of technology covered by the intellectual
property rights of others should first obtain permission from the holder(s) of the rights. This
specification is subject to change without notice. DIRECTV does not accept any responsibility
whatsoever for any damages or liability, direct or consequential, which may result from use of this
specification or any related discussions. These specifications are provided "as is" and the user of these
specifications assumes any and all risks associated with the use of these specifications. DIRECTV
expressly disclaims any and all representations or warranties, express or implied, regarding the
specifications, including without limitation any warranty as to merchantability, fitness for a particular
purpose, non-interruption of use, or non-infringement.

1.2 Scope

This document provides information on the DIRECTV Set-top box data port, front panel, and remote
control commands as an aid for installers, and auxiliary devices. This document is relevant to set-top
box (STB) models D10, D11, D12, R15, R16, H10, H20, HR20, H21, HR21 and HR21P. Other
models are not supported by this document.

1.3 Notice

Previous "Set-top Information for Installer" documents had a companion document listing various
peculiarities of some STBs. This "Peculiarities" document must no longer be used.

1.4 Feedback

Email feedback to custominstallsupport@directv.com
DIRECTV, Inc. March 5, 2008
Version 2.2 Page 6 of 42 DTV-MD-0058