Kramer Electronics Ltd.
VS-44H2
– Protocol 3000
47
Protocol 3000 Commands
Function
Description
Syntax
Parameters/Attributes
Example
#
Protocol handshaking.
Validates the
Protocol 3000
connection and gets the
machine number.
Step-in master products
use this command to
identify the availability
of a device.
COMMAND
#
<CR>
FEEDBACK
~nn@
ok
<CR><LF>
#
<CR>
AV-SW-
TIMEOUT
Set auto switching
timeout.
COMMAND
#AV-SW-TIMEOUT
switching_mode
,
time_out
<CR>
FEEDBACK
~nn@AV-SW-TIMEOUT
switching_mode
,
time_out
<CR><LF>
switching_mode
– Switching
mode
0
– Video signal lost
1
– New video signal detected
2
– Audio signal lost
4
– Disable 5V on video output if
no input signal detected
5
– Video cable unplugged
6
– Audio cable unplugged
7
– Video signal lost for signal
routed as a result of a manual
override action
time_out
– Timeout in seconds
0 - 60000
Set the auto switching
timeout to 5 seconds in the
event of 5V disable when no
input signal is detected:
#AV-SW-TIMEOUT
4
,
5
<CR
>
AV-SW-
TIMEOUT?
Get auto switching
timeout.
COMMAND
#AV-SW-TIMEOUT?
switching_mode
<CR>
FEEDBACK
~nn@AV-SW-TIMEOUT
switching_mode
,
time_out
<CR><LF>
switching_mode
– Switching
mode
0
– Video signal lost
1
– New video signal detected
2
– Audio signal lost
4
– Disable 5V on video output if
no input signal detected
5
– Video cable unplugged
6
– Audio cable unplugged
7
– Video signal lost for signal
routed as a result of a manual
override action
time_out
– Timeout in seconds
0 - 60000
Get the Disable 5V on video
output if no input signal
detected timeout:
#AV-SW-TIMEOUT?
4
<CR>
CPEDID
Copy EDID data from
the output to the input
EEPROM.
Destination bitmap
size depends on device
properties (for 64 inputs
it is a 64-bit word).
Example: bitmap
0x0013 means inputs
1,2 and 5 are loaded
with the new EDID.
In certain products
Safe_mode is an
optional parameter.
See the HELP
command for its
availability.
COMMAND
#CPEDID
edid_io
,
src_id
,
edid_io
,
dest_bitmap
<CR>
or
#CPEDID
edid_io
,
src_id
,
edid_io
,
dest_bitmap
,
safe_mode
<CR>
FEEDBACK
~nn@CPEDID
edid_io
,
src_id
,
edid_io
,
dest_bitmap
<CR><LF>
~nn@CPEDID
edid_io
,
src_id
,
edid_io
,
dest_bitmap
,
safe_mode
<
CR><LF>
edid_io
–
EDID
source type
(usually output)
0
– Input
1
– Output
2
– Default EDID
3
– Custom EDID
src_id
– Number of chosen
source stage
0
– Default EDID source
1
– Output 1
2
– Output 2
3
– Output 3
4
– Output 4
edid_io
–
EDID destination
type
(usually input)
0
– Input
dest_bitmap
– Bitmap
representing destination IDs.
Format: XXXX…X, where X is hex
digit. The binary form of every hex
digit represents corresponding
destinations.
0
– indicates that EDID data is not
copied to this destination.
1
– indicates that EDID data is
copied to this destination.
safe_mode
– Safe mode
0
– device accepts the EDID as is
without trying to adjust
1
– device tries to adjust the EDID
(default value if no parameter
is sent)
Copy the EDID data from the
Output 1 (EDID source) to
the Input:
#CPEDID
1
,
1
,
0
,
0x1
<CR>
Copy the EDID data from the
default EDID source to the
Input:
#CPEDID
2
,
0
,
0
,
0x1
<CR>
DISPLAY?
Get output HPD status.
COMMAND
#DISPLAY?
out_index
<CR>
FEEDBACK
~nn@DISPLAY
out_index
,
status
<CR><LF>
out_index
– Number that
indicates the specific output:
1
– Output 1
2
– Output 2
3
– Output 3
4
– Output 4
status
– HPD status according to
signal validation
0
– Signal or sink is not valid
1
– Signal or sink is valid
2
– Sink and EDID is valid
Get the output HPD status of
Output 1:
#DISPLAY?
1
<CR>
