Irtek Commands

Transmit Command Format

  • Characters are not case sensitive.
  • Starts with a "t"
  • All other characters are hexadecimal.
  • Terminates with a "0", no carriage return or linefeed needed.
FORMAT:

tMMMMPPSDD..[O..]0

t   -“t”
M  - 16 bit Mask, only relevant for IrTek5 or IrTek6
PP - Protocol number
S  - Data Size in bytes
D  - Data
O  - Options
0  - Terminator

Options

Option # Total Characters Option
0 1 Terminator, must end with this or Checksum
1 3 Checksum, must match or command is rejected
2 5 Modulation, overrides Duty Cycle, and Modulation bytes
3 3 Report Mode, currently not used
4 5 Burst, 16 bit burst setting override
5 5 Test Word 1, used for Battery Low option, etc
6 5 Test Word 2, currently not used
7 1 Demod Mode for connection directly into settop!

Examples

  • Demod Mode connects to the IR jack on Cisco generation 5, 6, and 7 settops.
    • Classic SA Channel Up Normal tffff0821b1d0
    • Classic SA Channel Up Demod tffff0821b1d70
  • Burst Settings
    • Classic SA Channel Up Default tffff0821b1d0
    • Classic SA Channel Up 1 Burst tffff0821b1d400010
    • Classic SA Channel Up 5 Burst tffff0821b1d400050
    • Classic SA Channel Up 1 Burst and Demod tffff0821b1d4000170
  • Checksum does not include the "t" and ends at option number 1 character
    • For example, tffff0a20a200 in checksum format is tffff0a20a2017f
    • 66 + 66 + 66 + 66 + 30 + 61 + 32 + 30 + 61 + 32 + 30 + 31 = 37f

Protocol

Protocol Code Notes
OFF 01 See Manual
SENSE_IRLED 02 See Manual
SENSE_TRANS 03 See Manual
FREQ 04 See Manual
WAVEFORM 05 See Manual
WAVE_SAVE 06 See Manual
WAVE_TABLE 07 See Manual
SA56 08 Classic SA at 56KHz
SA36 09 Classic SA at 36KHz
RC5 0a RC5
RC6 0b RC6
RCMM 0c RCMM
RMAP 0d RMAP
RMAP_2 0e RMAP_2 (with up event)
RSTEP 0f RSTEP
RSTEP_2 10 RSTEP_2 (with up event)
Z60 11 Move to NEC3
NEC 12 Move to NEC3
NEC2 13 Move to NEC3
XMP1 14 XMP
MOTO 15 Motorola
NEC3 16 Standard NEC

Notes

  • MOTO (Verizon) supports Low-Battery mode by set Bit 0 (LSB) on Test Word 1
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