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