RSX-1067 RS232 Protocol
Rotel RSX-1067
RS232 HEX Protocol
Date
February 7, 2012
Version
1.00
Update Description
Original Specification
The RS232 protocol structure for the RSX-1067 is detailed below. This is a HEX
based communication protocol.
Connection Settings
Baud Rate
19200
Parity
N
Valid Data Bits
8
Stop Bit Value
1
Handshaking
None
Data Type
String
All commands sent to the attached Rotel device must follow the command structure
detailed below, unless specified otherwise. Send only the bytes only, no spaces,
delimeter, etc.
Standard Command String Format
Start
0xFE
Count
0x03
Device ID
0xC4
Type
0x10
Key
0xXX
Checksum
0xXX
Note: The count byte only includes the ID, Type, and Key bytes; it does not include the
Start or Checksum bytes.
Note 2: Do not include any carriage returns or line feeds after the commands
Communication Protocol
Command and response messages are included on the following pages. The
standard response string of the unit mirrors the data that would be available on the front
panel of the unit.
Any change to the status of the front display on the unit will prompt a feedback string
mirroring that change.
Note that the spaces shown between hex bytes below are for clarity only; do not include
spaces in the actual command sent to the unit.
Meta Encoding
The start byte for all command and response strings is FE. To keep the device
from encountering the start byte FE in any position other than as the start byte, any
occurrence of the byes FD or FE in a command string must be converted to either FD 00
(for FD), or FD 01 (for FE). This will allow the string to pass while masking any
occurrence of the byte FE except as the start byte. Commands that have Meta Encoding
applied will be highlighted in red.
1
Section 1: Control Command List
Table 1 – Type 10 Primary Commands
Table 2 – Type 14 Main Zone Commands
Table 3 – Type 15 Record Source Commands
Table 4 – Type 16 Zone 2 Commands
Table 5 – Type 30 Volume Direct Commands
Table 6 – Type 32 Zone 2 Volume Direct Commands
Table 1 - Type 10 Primary Commands
RSX-1067 HEX
Command Description
POWER & VOLUME COMMANDS
FE 03 C4 10 0A E1
Power Toggle
FE 03 C4 10 4A 21
Power Off
FE 03 C4 10 4B 22
Power On
FE 03 C4 10 0B E2
Volume Up
FE 03 C4 10 0C E3
Volume Down
FE 03 C4 10 1E F5
Mute Toggle
SOURCE SELECTION COMMANDS
FE 03 C4 10 02 D9
Source CD
FE 03 C4 10 03 DA
Source Tuner
FE 03 C4 10 04 DB
Source Tape
FE 03 C4 10 05 DC
Source Video 1
FE 03 C4 10 06 DD
Source Video 2
FE 03 C4 10 07 DE
Source Video 3
FE 03 C4 10 08 DF
Source Video 4
FE 03 C4 10 09 E0
Source Video 5
FE 03 C4 10 15 EC
Source Multi Input
SURROUND MODE COMMANDS
FE 03 C4 10 11 E8
Stereo
FE 03 C4 10 12 E9
Dolby 3 Stereo
FE 03 C4 10 13 EA
Dolby Pro Logic
FE 03 C4 10 14 EB
DSP Music Mode Toggle
FE 03 C4 10 53 2A
Dolby 3 Stereo / Pro Logic Toggle
FE 03 C4 10 54 2B
dts Neo:6 Music/Cinema Toggle
FE 03 C4 10 57 2E
Music 1
FE 03 C4 10 58 2F
Music 2
FE 03 C4 10 59 30
Music 3
FE 03 C4 10 5A 31
Music 4
FE 03 C4 10 5B 32
5 Channel Stereo
FE 03 C4 10 5C 33
7 Channel Stereo
FE 03 C4 10 5D 34
Dolby PLII Cinema
FE 03 C4 10 5E 35
Dolby PLII Music
FE 03 C4 10 74 4B
Dolby PLII Game
2
2
4
5
5
6
7
RSX-1067 HEX
Command Description
FE 03 C4 10 5F 36
Dolby Pro Logic
FE 03 C4 10 60 37
dts Neo:6 Music
FE 03 C4 10 61 38
dts Neo:6 Cinema
FE 03 C4 10 62 39
PLII Panorama Toggle
FE 03 C4 10 63 3A
PLII Dimension Up
FE 03 C4 10 64 3B
PLII Dimension Down
FE 03 C4 10 65 3C
PLII Center Width Up
FE 03 C4 10 66 3D
PLII Center Width Down
FE 03 C4 10 68 3F
Dolby Digital EX Toggle
FE 03 C4 10 22 F9
Next Surround Mode
TONE CONTROL COMMANDS
FE 03 C4 10 0D E4
Treble Up
FE 03 C4 10 0E E5
Treble Down
FE 03 C4 10 0F E6
Bass Up
FE 03 C4 10 10 E7
Bass Down
FE 03 C4 10 67 3E
Tone Control Select
OSD MENU COMMANDS
FE 03 C4 10 18 EF
OSD Menu
FE 03 C4 10 19 F0
Enter
FE 03 C4 10 1A F1
Cursor Right
FE 03 C4 10 1B F2
Cursor Left
FE 03 C4 10 1C F3
Cursor Up
FE 03 C4 10 1D F4
Cursor Down
TUNER COMMANDS
FE 03 C4 10 28 FF
Tune Up
FE 03 C4 10 29 00
Tune Down
FE 03 C4 10 27 FD 01 Memory
FE 03 C4 10 24 FB
Band Toggle
FE 03 C4 10 56 2D
AM
FE 03 C4 10 55 2C
FM
FE 03 C4 10 20 F7
Tune / Preset
FE 03 C4 10 69 40
Tuning Mode Select
FE 03 C4 10 6A 41
Preset Mode Select
FE 03 C4 10 25 FC
Frequency Direct
FE 03 C4 10 21 F8
Preset Scan
FE 03 C4 10 44 1B
Tuner Display
FE 03 C4 10 45 1C
RDS PTY
FE 03 C4 10 46 1D
RDS TP
FE 03 C4 10 47 1E
RDS TA
FE 03 C4 10 26 FD 00 FM Mono
NUMERIC KEY COMMANDS
FE 03 C4 10 2A 01
Number 1
3
RSX-1067 HEX
FE 03 C4 10 2B 02
FE 03 C4 10 2C 03
FE 03 C4 10 2D 04
FE 03 C4 10 2E 05
FE 03 C4 10 2F 06
FE 03 C4 10 30 07
FE 03 C4 10 31 08
FE 03 C4 10 32 09
FE 03 C4 10 33 0A
OTHER COMMANDS
FE 03 C4 10 17 EE
FE 03 C4 10 16 ED
FE 03 C4 10 1F F6
FE 03 C4 10 23 FA
FE 03 C4 10 4C 23
FE 03 C4 10 4D 24
FE 03 C4 10 4E 25
FE 03 C4 10 4F 26
FE 03 C4 10 52 29
FE 03 C4 10 FF D6
Command Description
Number 2
Number 3
Number 4
Number 5
Number 6
Number 7
Number 8
Number 9
Number 0
Record Function Select
Dynamic Range
Digital Input Select
Zone 2 / Main
Temporary Center Trim
Temporary Subwoofer Trim
Temporary Surround Trim
Cinema EQ Toggle
Front Display On/Off
Display Refresh
Table 2 - Type 14 Main Zone Commands
NOTE: These commands are duplicate functions of the primary commands in the table above
bearing the same name, but are discrete for the main zone only. For multi-zone installation
applications, it is recommended that the below commands be used where applicable rather than
the type 10 commands to avoid zone conflicts.
RSX-1067 HEX
Command Description
MAIN ZONE POWER & VOLUME COMMANDS
FE 03 C4 14 0A E5
Main Zone Power Toggle
FE 03 C4 14 4A 25
Main Zone Power Off
FE 03 C4 14 4B 26
Main Zone Power On
FE 03 C4 14 00 DB
Main Zone Volume Up
FE 03 C4 14 01 DC
Main Zone Volume Down
FE 03 C4 14 1E F9
Main Zone Mute Toggle
FE 03 C4 14 6C 47
Main Zone Mute On
FE 03 C4 14 6D 48
Main Zone Mute Off
MAIN ZONE SOURCE SELECTION COMMANDS
FE 03 C4 14 02 DD
Main Zone Source CD
FE 03 C4 14 03 DE
Main Zone Source Tuner
FE 03 C4 14 04 DF
Main Zone Source Tape
FE 03 C4 14 05 E0
Main Zone Source Video 1
FE 03 C4 14 06 E1
Main Zone Source Video 2
4
RSX-1067 HEX
FE 03 C4 14 07 E2
FE 03 C4 14 08 E3
FE 03 C4 14 09 E4
Command Description
Main Zone Source Video 3
Main Zone Source Video 4
Main Zone Source Video 5
Table 3 - Type 15 Record Source Commands
RSX-1067 HEX
Command Description
RECORD SOURCE SELECTION COMMANDS
FE 03 C4 15 02 DE
Record Source CD
FE 03 C4 15 03 DF
Record Source Tuner
FE 03 C4 15 04 E0
Record Source Tape
FE 03 C4 15 05 E1
Record Source Video 1
FE 03 C4 15 06 E2
Record Source Video 2
FE 03 C4 15 07 E3
Record Source Video 3
FE 03 C4 15 08 E4
Record Source Video 4
FE 03 C4 15 09 E5
Record Source Video 5
FE 03 C4 15 6B E6
Record Follow Main Zone Source
Table 4 - Type 16 Zone 2 Commands
RSX-1067 HEX
Command Description
ZONE 2 POWER & VOLUME COMMANDS
FE 03 C4 16 0A E7
Zone 2 Power Toggle
FE 03 C4 16 4A 27
Zone 2 Power Off
FE 03 C4 16 4B 28
Zone 2 Power On
FE 03 C4 16 00 DD
Zone 2 Volume Up
FE 03 C4 16 01 DE
Zone 2 Volume Down
FE 03 C4 16 1E FB
Zone 2 Mute Toggle
FE 03 C4 16 6C 49
Zone 2 Mute On
FE 03 C4 16 6D 4A
Zone 2 Mute Off
ZONE 2 SOURCE SELECTION COMMANDS
FE 03 C4 16 02 DF
Zone 2 Source CD
FE 03 C4 16 03 E0
Zone 2 Source Tuner
FE 03 C4 16 04 E1
Zone 2 Source Tape
FE 03 C4 16 05 E2
Zone 2 Source Video 1
FE 03 C4 16 06 E3
Zone 2 Source Video 2
FE 03 C4 16 07 E4
Zone 2 Source Video 3
FE 03 C4 16 08 E5
Zone 2 Source Video 4
FE 03 C4 16 09 E6
Zone 2 Source Video 5
FE 03 C4 16 6B 48
Zone 2 Follow Main Zone Source
ZONE 2 TUNER COMMANDS
FE 03 C4 16 28 05
Zone 2 Tune Up
FE 03 C4 16 29 06
Zone 2 Tune Down
5
RSX-1067 HEX
Command Description
FE 03 C4 16 24 01
Zone 2 Band Toggle
FE 03 C4 16 56 33
Zone 2 AM
FE 03 C4 16 55 32
Zone 2 FM
FE 03 C4 16 20 FD 00 Zone 2 Tune / Preset
FE 03 C4 16 69 46
Zone 2 Tuning Mode Select
FE 03 C4 16 6A 47
Zone 2 Preset Mode Select
FE 03 C4 16 21 FD 01 Zone 2 Preset Scan
FE 03 C4 16 26 03
Zone 2 FM Mono
ZONE 2 NUMERIC KEY COMMANDS
FE 03 C4 16 2A 07
Zone 2 Number 1
FE 03 C4 16 2B 08
Zone 2 Number 2
FE 03 C4 16 2C 09
Zone 2 Number 3
FE 03 C4 16 2D 0A
Zone 2 Number 4
FE 03 C4 16 2E 0B
Zone 2 Number 5
FE 03 C4 16 2F 0C
Zone 2 Number 6
FE 03 C4 16 30 0D
Zone 2 Number 7
FE 03 C4 16 31 0E
Zone 2 Number 8
FE 03 C4 16 32 0F
Zone 2 Number 9
FE 03 C4 16 33 10
Zone 2 Number 0
Table 5 - Type 30 Volume Direct Commands
NOTE: Volume direct commands range from hex 00 – 60; below is a sample of the commands
available.
RSX-1067 HEX
VOLUME DIRECT COMMANDS
FE 03 C4 30 00 F7
Volume Min
FE 03 C4 30 01 F8
Volume 1
FE 03 C4 30 02 F9
Volume 2
FE 03 C4 30 03 FA
Volume 3
FE 03 C4 30 04 FB
Volume 4
FE 03 C4 30 05 FC
Volume 5
FE 03 C4 30 06 FD 00 Volume 6
FE 03 C4 30 07 FD 01 Volume 7
FE 03 C4 30 08 FF
Volume 8
FE 03 C4 30 09 00
Volume 9
FE 03 C4 30 0A 01
Volume 10
FE 03 C4 30 0B 02
Volume 11
FE 03 C4 30 0C 03
Volume 12
FE 03 C4 30 0D 04
Volume 13
FE 03 C4 30 0E 05
Volume 14
FE 03 C4 30 0F 06
Volume 15
FE 03 C4 30 10 07
Volume 16
Command Description
6
RSX-1067 HEX
FE 03 C4 30 20 17
FE 03 C4 30 30 27
FE 03 C4 30 40 37
FE 03 C4 30 50 47
FE 03 C4 30 5F 56
FE 03 C4 30 60 57
Command Description
Volume 32
Volume 48
Volume 64
Volume 80
Volume 95
Volume Max
Table 6 - Type 32 Zone 2 Volume Direct Commands
RSX-1067 HEX
ZONE 2 VOLUME DIRECT COMMANDS
FE 03 C4 32 00 F9
Zone 2 Volume Min
FE 03 C4 32 01 FA
Zone 2 Volume 1
FE 03 C4 32 02 FB
Zone 2 Volume 2
FE 03 C4 32 03 FC
Zone 2 Volume 3
FE 03 C4 32 04 FD 00 Zone 2 Volume 4
FE 03 C4 32 05 FD 01 Zone 2 Volume 5
FE 03 C4 32 06 FF
Zone 2 Volume 6
FE 03 C4 32 07 00
Zone 2 Volume 7
FE 03 C4 32 08 01
Zone 2 Volume 8
FE 03 C4 32 09 02
Zone 2 Volume 9
FE 03 C4 32 0A 03
Zone 2 Volume 10
FE 03 C4 32 0B 04
Zone 2 Volume 11
FE 03 C4 32 0C 05
Zone 2 Volume 12
FE 03 C4 32 0D 06
Zone 2 Volume 13
FE 03 C4 32 0E 07
Zone 2 Volume 14
FE 03 C4 32 0F 08
Zone 2 Volume 15
FE 03 C4 32 10 09
Zone 2 Volume 16
FE 03 C4 32 20 19
Zone 2 Volume 32
FE 03 C4 32 30 29
Zone 2 Volume 48
FE 03 C4 32 40 39
Zone 2 Volume 64
FE 03 C4 32 50 49
Zone 2 Volume 80
FE 03 C4 32 5F 52
Zone 2 Volume 89
FE 03 C4 32 60 53
Zone 2 Volume Max
Command Description
7
Section 2: Feedback String Format
Standard Response String Format
Start
0xFE
Count
0x31
ID
0xC4
Type
0x20
Char1
Data
Char42 Flag1
…
…
Checksum
0xXX
Flag5
The feedback string is a representation of the display of the unit.
The Char1 - Char42 data bytes contain ASCII data representing the text that appears
across the 2 lines of the front display. It can contain source input, volume, and surround
mode data and should be parsed to obtain this information.
The Flag1 - Flag5 data bytes contain data on which of the various icons on the front
display are currently illuminated.
The display status uses 2 bits in Flag3 to confirm if the front display is On or Off.
Flag1 – Flag5 Data
Flag1
Bit0
A
Bit1
5
Bit2
4
Bit3
3
Bit4
2
Bit5
1
Bit6
Coaxial
Bit7
Optical
Flag2
DSP
EX
THX
dts
Pro Logic
Dolby Digital
Flag3
Display Mode0
Display Mode1
Flag4
SB
Standby LED
Tuned
St (Tuner)
RDS
Preset
<
>
7.1
5.1
Zone
Flag5
CBL
CBR
SW
SR
SL
FR
C
FL
Display Status
Display Mode 1
Display Mode 0
Display On
0
0
8
Display Off
1
0
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