DirecTV DTV-MD0-0058 用户手册

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页码 49
   
DIRECTV Set-top box information for the installer
 
DIRECTV Proprietary 
 
November 17, 2005 
Version 1.1.a 
Page 23 of 49 
DTV-MD-0058 
 
0xD1 
CH + (key #19)    
 
0xE9 
Digit 9 (key #18) 
 
0xD2 
CH – (key #20)   
 
0xEA 
Red (key #39) 
 
0xD3 
Guide (key #25)   
 
0xEB 
Yellow (key #40) 
 
0xD4 
Exit (key #30) 
 
 
0xEC 
Green (key #41) 
 
0xD5 
Power (key #7)   
 
0xED 
Blue (key #42) 
 
0xD6 
Previous Channel (key #21) 
0xF7 
Menu (key #28) 
Note: 
All keys not otherwise identified above will be considered RESERVED. 
Return Response 
ACK_FCNOK : 
Success 
NACK_FCNOK  : Failure – No User Command available since last request 
Return Value 
0x0000  
: Success 
Non-Zero 
: Failure – No User Command available since last request 
Description 
The STB will execute a GetUserCommand command by providing the remote control 
or front panel key presses via the Return Data Stream. 
The DisableUserEntry command will be called prior to calling the GetUserCommand 
command. 
If a user command has transpired since the last GetUserCommand request, the user 
command Type, Device, and Contents are placed in the return data stream. If a user 
command has not been made since the last request, the NACK_FCNOK is returned 
instead. 
The GetUserCommand is used to identify the type, device and key.  For example, if 
the user pressed and released the Select (0xC3) key then one GetUserCommand is 
required.  The GetUserCommand provides a Type of 0x00 (Key Toggle), Device of 
0x01 (Remote) and Key of 0xC3 (Select key). On the other hand, if the user pressed 
the Select (0xC3) key, held it so that the remote repeats the command, and then 
released it on the remote control, two (2) GetUserCommands are required. The first 
GetUserCommand provides a Type of 0x01 (Key Down), Device of 0x01 (Remote) 
and Key of 0xC3 (Select key). The second GetUserCommand provides a Type of 0x03 
(Key Up), Device of 0x01 (Remote) and Key of 0xC3 (Select). 
 
5.9 EnableUserEntry (0x93) 
Command Label 
EnableUserEntry 
Command Byte 
0x93 
Input Parameter(s) 
None 
Return Data Stream 
None 
Return Response 
ACK_FCNOK 
: Always Success 
Return Value 
0x0000   
: Always Success 
Description 
The STB executes an EnableUserEntry command by allowing remote control and 
front panel key presses to reach the user interface handler.