DirecTV DTV-MD0-0058 用户手册
DIRECTV Set-top box information for the installer
DIRECTV Proprietary
November 17, 2005
Version 1.1.a
Page 27 of 49
DTV-MD-0058
5.14 OpenUserChannel (0xA6)
Command Label
OpenUserChannel
Command Byte
0xA6
Input Parameter(s)
[majorchnHI][majorchnLO][minorchnHI][minorchnLO]
Return Data Stream
None
Return Response
ACK_FCNOK :
Success
NACK_FCNOK : Failure – Not a DIRECTV System channel
Return Value
0x0000 : Success
0xFFFF : Channel not found in Program Guide
0xFFFE : Channel is not a DIRECTV System channel
0x0002 : NoVideoControl Word
0x0004 : No Audio Control Word
0x0008 : No HS Data Control Word
0x0010 : No Low-Speed Data Control Word
0x0020 : No System Clock Reference
0x0040 : No Presentation Time Stamp
0x0080 : Tuning Error
0x0100 : Video Error
0x0200 : Access Error
0x0400 : Buffer Overflow
0x0800 : Acquisition Not Complete
0x1000 : Audio Error
0x2000 : Video Timeout
0x4000 : Inactive Transponder
0x0004 : No Audio Control Word
0x0008 : No HS Data Control Word
0x0010 : No Low-Speed Data Control Word
0x0020 : No System Clock Reference
0x0040 : No Presentation Time Stamp
0x0080 : Tuning Error
0x0100 : Video Error
0x0200 : Access Error
0x0400 : Buffer Overflow
0x0800 : Acquisition Not Complete
0x1000 : Audio Error
0x2000 : Video Timeout
0x4000 : Inactive Transponder
0x1001 : Failure – Channel not found in program guide
0x1002 : Failure – Channel not a DIRECTV system channel
0x1003 : Failure – Channel not authorized
0x1004 : Failure – Channel blocked by viewer
0x1005 : Failure – Channel rating limit exceeded
0x1006 : Failure – Channel spending limit exceeded
Others : Failure – Bad command
Description
The STB will execute an OpenUserChannel command by tuning to and decoding
streams for the specified guide major/minor channel number.
streams for the specified guide major/minor channel number.
Example #1: