DIRECTV Set-top box information for the installer
DIRECTV Proprietary November 17, 2005
Version 1.1.a Page 21 of 49 DTV-MD-0058
Description Command Initializer Command ID
Return Data – 0xF0 0xF2 0x1 0x14 0xFF 0xFF 0xF4
Input 0xF0 0xF2 0x114 0xF4
Description Command
acknowledgements Channel Command
successful
5.6 GetSignalQuality (0x90)
Command Label GetSignalQuality
Command Byte 0x90
Input Parameter(s) None
Return Data Stream [SignalQuality] Signal Quality:
0x00 – 0x64 ( 0x00=FEC unlocked and 0x64=max signal strength)
Return Response ACK_FCNOK : Success
NACK_FCNOK : Failure – STB not tuned to a DIRECTV System channel
Return Value 0x0000 : Success
Non-Zero : Failure – STB not tuned to a DIRECTV System channel
Description The STB will execute a GetSignalQuality command by providing the signal quality in
the Return Data Stream.
5.7 GetCurrentTime (0x91)
Command Label GetCurrentTime
Command Byte 0x91
Input Parameter(s) None
Return Data Stream [Year][Month][Date][Hour][Minute][Second][DayOfWeek]
Year: 0x00 – 0xFF (# of years after 1993)
Month: 0x01 – 0x0C
Date: 0x01 – 0x1F
Hour: 0x00 – 0x17
Minute: 0x00 – 0x3B