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NHT Specification page 11

Rs232 protocol specification

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RS_SIGNAL_TYPE
RS_AUDIO_INPUT_TYPE
RS_COMPRESSION
RS_CINEEQ
RS_TREBLE
RS_BASS
RS_CENTER
RS_SURROUND
RS_SUBWOOFER
RS_TRIGGER1
RS_TRIGGER2
RS_TV_SYSTEM
RS_EOT
1
237
2
0...10
8 = Digital Error (unrecognized or corrupted digital signal)
1
238
2
0...5
1
239
2
0/1
1
240
2
0/1
1
242
2
0...24
1
243
2
0...24
1
244
2
0...24
1
245
2
0...24
1
246
2
0...24
1
247
2
0/1
1
248
2
0/1
1
249
2
0...2
255
Sent out as a last byte of each transmission from the serial
11/15
25 = Pro Logic IIx Games
Current audio signal
0 = <reserved>
1 = Digital zero signal (currently not used)
2 = Digital PCM
3 = Dolby Digital
4 = DTS
5 = MPEG
6 = Noise (generated by the DSP)
7 = Analog
9 = DTS-ES Matrix
10 = DTS-ES Discrete
11 = DTS 96/24
12 = DTS 96 Matrix
13 = DTS 96 Discrete
14 = MPEG2 AAC
Audio input type of the current source
0 = Non-balanced Analog
1 = Coaxial
2 = Optical
6 = HMDI
Late Night compression status
0 = compression off, 1 = compression on
Cine EQ status
0 = Cine EQ off, 1 = Cine EQ on
Treble setting
0 = -12dB, 12 = 0dB, 24 = +12dB
Bass setting
0 = -12dB, 12 = 0dB, 24 = +12dB
Center trim level
0 = -12dB, 12 = 0dB, 24 = +12dB
Surround trim level
0 = -12dB, 12 = 0dB, 24 = +12dB
Subwoofer trim level
0 = -12dB, 12 = 0dB, 24 = +12dB
Trigger 1 status
0 = trigger inactive, 1 = trigger active
Trigger 2 status
0 = trigger inactive, 1 = trigger active
TV system
0 = unknown, 1 = PAL, 2 = NTSC
port

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