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Input Commands; Single Byte User Commands - NHT Specification

Rs232 protocol specification

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The following commands are all single bytes sent to the RS-232 port. They create various output data
depending on the system status, so a comprehensive output data feedback cannot be given. The reception of
these commands must be first activated by sending RS_ENABLE_CONTROL command before each command.
See Special Commands section below.
UI_DUMMY
REMOTE_CONTROL_PLUS
REMOTE_CONTROL_MINUS
UI_ZONE_STANDBY
UI_ZONE_WAKEUP
UI_STANDBY_TOGGLE
UI_MUTE
UI_SOURCEPLUS
UI_SOURCEMINUS
UI_MODEMINUS
UI_MODEPLUS
UI_COMPRESSION_TOGGLE
UI_AUDIO_IN1
UI_AUDIO_IN2
UI_AUDIO_IN3
UI_AUDIO_IN4
UI_AUDIO_IN5
UI_AUDIO_IN6
UI_AUDIO_IN7
UI_AUDIO_IN8
FRONTPANEL_CONTROL_PLUS
FRONTPANEL_CONTROL_MINUS
UI_NOISE
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
UI_MUTE_ON
UI_MUTE_OFF
UI_STANDBY
UI_WAKEUP
UI_NORMAL

Input commands

Single Byte User Commands

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
4/15
UI_COMPRESSION_ON
UI_COMPRESSION_OFF
UI_MOVIE_MODE_SELECT
UI_MUSIC_MODE_SELECT
UI_GAMES_MODE_SELECT
UI_MONO
UI_STEREO
UI_PROLOGIC
UI_MUSIC1
UI_MUSIC2
UI_MUSIC3
UI_MUSIC4
REMOTE_VOLUME_PLUS
REMOTE_VOLUME_MINUS
NOP
NOP
FRONTPANEL_VOLUME_PLUS
FRONTPANEL_VOLUME_MINUS
FRONTPANEL_KEY1
FRONTPANEL_KEY2
FRONTPANEL_KEY3
FRONTPANEL_KEY4
FRONTPANEL_KEY5
FRONTPANEL_KEY6
NOP
NOP
FRONTPANEL_UP
FRONTPANEL_DOWN
FRONTPANEL_LEFT
FRONTPANEL_RIGHT
NOP
UI_BASS_PLUS
UI_BASS_MINUS
UI_TREBLE_PLUS
UI_TREBLE_MINUS
UI_AUDIO_IN9
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72

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