DIRECTV Set-Top Box Information for the Installer
DIRECTV, Inc.
March 5, 2008
Version 2.2
Page 4 of 42
DTV-MD-0058
5.11
GetReturnValue (0x95)
.....................................................................................................................
23
5.12
Reboot (0x96)
.....................................................................................................................................
23
5.13
SendUserCommand (0xA5)
..............................................................................................................
24
5.14
OpenUserChannel (0xA6)
................................................................................................................
25
5.15
GetTuner (0x9A)
...............................................................................................................................
27
5.16
GetPrimaryStatusMT (0x8A)
..........................................................................................................
28
5.17
GetCurrentChannelMT (0x8B)
.......................................................................................................
30
5.18
GetSignalQualityMT (0x9D)
............................................................................................................
30
5.19
OpenUserChannelMT (0x9F)
..........................................................................................................
31
6
Remote Control
................................................................................................................................
33
6.1
Introduction
..........................................................................................................................................
33
6.2
Brand Setup Code List
.........................................................................................................................
33
6.3
Remote Control Key Codes
..................................................................................................................
35
7
Wired IR Input Port
........................................................................................................................
37
7.1
Introduction
..........................................................................................................................................
37
7.2
Interface Specifications
........................................................................................................................
37
8
Appendix: Low Speed Serial Port Specifications
...........................................................................
38
8.1
Low-Speed Data Port Connector
........................................................................................................
38
8.2
Low-Speed Electrical Performance and Characteristics
..................................................................
39
8.2.1
Bit Timing (Start, –D0 TO –D7, and Stop)
........................................................................
39
8.2.2
Idle Interval, General
..........................................................................................................
39
8.2.3
Idle Interval for Non-Empty STB Buffer
...........................................................................
39
8.3
Low-Speed Input Characteristics
........................................................................................................
39
8.3.1
Input Signaling Characteristics (Pin 3)
...............................................................................
39
8.4
Low-Speed Output Characteristics
.....................................................................................................
40
8.4.1
Output Drive Characteristics (Pin 2)
..................................................................................
40
8.4.2
Passive Outputs (Pins 1, 6, 8, and 9) (Optional)
.................................................................
40
8.5
Low-Speed Signaling Conventions
......................................................................................................
41
9
Appendix: Acronyms
.......................................................................................................................
42