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
