RS-232 / RS-485 Communication Protocol
25
Table 11: Instruction Codes for the Communication Protocol
Note: All values in the table are decimal, unless otherwise stated.
INSTRUCTION
DEFINITION FOR SPECIFIC INSTRUCTION
#
DESCRIPTION
INPUT
OUTPUT
NOTE
0, 18
RESET
0
0
1
1
SWITCH VIDEO
Set equal to video input which is
to be switched
(0 = disconnect)
Set equal to video output which is to be
switched
(0 = to all the outputs)
2, 15
2
SWITCH AUDIO
Set equal to audio input which is
to be switched
(0 = disconnect)
Set equal to audio output which is to be
switched
(0 = to all the outputs)
2
3, 19
STORE VIDEO and
AUDIO STATUS
Set as SETUP #
0 - to store
1 - to delete
2, 3, 15
4, 20
RECALL VIDEO
STATUS
Set as SETUP #
0
2, 3, 15
5
REQUEST STATUS
OF A VIDEO OUTPUT
Set as SETUP #
Equal to output number whose status is
reqd
4, 3
6
REQUEST STATUS
OF AN AUDIO
OUTPUT
Set as SETUP #
Equal to output number whose status is
reqd
4, 3
7
VIS SOURCE
Set as input # (for OUTPUT
byte = 6) or set = 0
0 - No VIS (immediate)
1 - Input # 1
3 - External analog sync
4 - Dynamic sync
6 - Input # (INPUT byte)
2, 5, 17,
17A
8
BREAKAWAY
SETTING
0
0 - audio-follow-video
1 - audio breakaway
2
10
REQUEST VIS
SETTING
Set as SETUP #, or set to 126 or
127 to request if machine has this
function
0 - VIS source
3, 4, 6, 7
11
REQUEST
BREAKAWAY
SETTING
Set as SETUP #, or set to 126 or
127 to request if machine has this
function
0 - Request audio breakaway setting
1 - Request “FOLLOW” setting
3, 4, 6,
15
12
REQUEST VIDEO /
AUDIO TYPE
SETTING
Set as SETUP #, or set to 126 or
127 to request if machine has this
function
0 - for video
1 - for audio
3, 4, 6
15
REQUEST WHETHER
SETUP IS DEFINED
Set as SETUP #
0
8
16
ERROR / BUSY
0
0 - error
1 - invalid instruction
2 - out of range
9
22
SET AUDIO
PARAMETER
Equal to input / output number
whose gain is to be set (0 = all)
Set as parameter value
2, 11, 23
24
INCREASE /
DECREASE AUDIO
PARAMETER
Equal to input / output number
whose parameter is to be
increased / decreased (0 = all)
0 - increase output
1 - decrease output
6 - increase input
7 - decrease input
23
25
REQUEST AUDIO
PARAMETER
Equal to input / output number
whose parameter is requested
0
6, 23
30
LOCK FRONT PANEL 0 - Panel unlocked
1 - Panel locked
0
2
31
REQUEST WHETHER
PANEL IS LOCKED
0
0
16
42
AUDIO PARAMETER
SETTINGS FOR
INSTRUCTIONS 22,
24, 25
INPUT Bit:
I0 - 0=input; 1=output
I1 - Left
I2 - Right
0 - Gain
23
57
SET AUTO-SAVE
I3 - no save
I4 - auto-save
0
12, 2
61
IDENTIFY MACHINE 1 - video machine name
2 - audio machine name
3 - video software version
4 - audio software version
0 - Request first 4 digits
13
62
DEFINE MACHINE
1 - number of inputs
2 - number of outputs
3 - number of setups
1 - for video
2 - for audio
14
63
EXTENDED DATA
7 MSBs for INPUT data
7 MSBs for OUTPUT data
19
Summary of Contents for OMX-SW5x5
Page 1: ...OMX SW5x5...
