Table 9: Instruction Codes For Protocol 2000 - Laird LTM-4x4HDSDI User Manual

Note: All values in the table are decimal, unless otherwise stated.
INSTRUCTION
# DESCRIPTION
0 RESET VIDEO
1 SWITCH VIDEO
2 SWITCH AUDIO
3 STORE VIDEO
STATUS
4 RECALL VIDEO
STATUS
5 REQUEST STATUS
OF A VIDEO OUTPUT
6 REQUEST STATUS
OF AN AUDIO
OUTPUT
7 VIS SOURCE
8 BREAKAWAY
SETTING
9 VIDEO / AUDIO TYPE
SETTING
10 REQUEST VIS
SETTING
11 REQUEST
BREAKAWAY
SETTING
12 REQUEST VIDEO /
AUDIO TYPE
SETTING
13 SET HIGHEST
MACHINE ADDRESS
14 REQUEST HIGHEST
MACHINE ADDRESS
15 REQUEST WHETHER
SETUP IS DEFINED /
VALID INPUT IS
DETECTED
18
Protocol 2000

Table 9: Instruction Codes for Protocol 2000

DEFINITION FOR SPECIFIC INSTRUCTION
INPUT
0
Set equal to video input which is to
be switched
(0 = disconnect)
Set equal to audio input which is to
be switched
(0 = disconnect)
Set as SETUP #
Set as SETUP #
Set as SETUP #
Set as SETUP #
Set as input # when
OUTPUT byte = 6;
OR
set as output # when
OUTPUT byte = 7;
OR
set as blank period
(in steps of 25ms) when
OUTPUT byte = 32;
OR
set = 0. *****
0
1
0 - for video
1 - for audio
2 - for VGA and DVI
Set as SETUP #, or
set to 126 or 127 to request if
machine has this function
Set as SETUP #, or
set to 126 or 127 to request if
machine has this function
Set as SETUP #, or
set to 126 or 127 to request if
machine has this function
0 - for video
1 - for audio
0 - for video
1 - for audio
SETUP #
or
Input #
OUTPUT
0
Set equal to video output which is
to be switched
(0 = to all the outputs)
Set equal to audio output which is
to be switched
(0 = to all the outputs)
0 - to store
1 - to delete
0
Equal to output number whose
status is reqd
Equal to output number whose
status is reqd
0 - No VIS (immediate)
1 - Input # 1
2 - External digital sync
3 - External analog sync
4 - Dynamic sync
5 - Inter-machine sync
6 - Input # (INPUT byte)
7 - Output #(INPUT byte)
8 - User-defined sync
32 - RGBHV seamless switching
64 - Set for delayed switch
65 - Execute delayed switch
66 - Cancel delayed switch setting
0 - audio-follow-video
1 - audio breakaway
0 - FOLLOW mode
1 - Normal mode
0 - CV 4 - SDI
1 - YC 5 - CV+YC
2 - YUV 6 - VGA scaler
3 - RGBS 7 - DVI
O0=0 – Unbalanced audio
O0=1 – Balanced audio
O1=0 – Digital audio
O1=1 – Analog audio
O4=0, O3=0, O2=0-Mono
O4=0, O3=0,O2=1-Stereo
1 - 640X480
2 - 800X600
3 - 1024X768
0 - VIS source
1 - Input # or output # of source
2 - Vertical sync freq (Hz)
0 - Request audio breakaway
setting
1 - Request "FOLLOW" setting
0 - for video
1 - for audio
2 - for VGA
Set equal to highest machine
address
0
0 - for checking if setup is defined
1 - for checking if input is valid
NOTE
1
2, 15
2
2, 3, 15
2, 3, 15
4, 3
4, 3
2, 5, 17, 18
2
15
2
3, 4, 6, 7
3, 4, 6, 15
3, 4, 6
2
4
8