KRAMER: SIMPLE CREATIVE TECHNOLOGY
Kramer Protocol 2000
12
For a single machine controlled via the serial port, always set M4…M0 = 1, and make sure that the machine itself is
configured as MACHINE NUMBER = 1.
Table 4: Instruction Codes for Protocol 2000
Note: All values in the table are decimal, unless otherwise stated.
INSTRUCTION DEFINITION FOR SPECIFIC INSTRUCTION
# DESCRIPTION INPUT OUTPUT
NOTE
0 RESET VIDEO 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
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
5 REQUEST STATUS OF A VIDEO
OUTPUT
0 Equal to output number whose
status is reqd
4
6 REQUEST STATUS OF AN
AUDIO OUTPUT
0 Equal to output number whose
status is reqd
4
8 BREAKAWAY SETTING 0
0 - audio-follow-video
1 - audio breakaway
2
11 REQUEST BREAKAWAY
SETTING
0, or set to 126 or 127 to
request if machine has this
function
0 - Request audio breakaway
setting
4, 6
12 REQUEST VIDEO / AUDIO TYPE
SETTING
0, or set to 126 or 127 to
request if machine has this
function
0 - for video
1 - for audio
2 - for VGA
4, 6
30 LOCK FRONT PANEL 0 - Panel unlocked
1 - Panel locked
0 2
31 REQUEST WHETHER PANEL IS
LOCKED
0 0 16
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 13
62 DEFINE MACHINE 1 - number of inputs
2 - number of outputs
3 - number of setups
1 - for video
2 - for audio
3 - for SDI
4 - for remote panel
5 - for RS-422 controller
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NOTES on the above table:
NOTE 1 - When the master switcher is reset, (e.g. when it is turned on), the reset code is sent to the PC. If this code is sent to
the switchers, it will reset according to the present power-down settings.
NOTE 2 - These are bi-directional definitions. That is, if the switcher receives the code, it will perform the instruction; and if
the instruction is performed (due to a keystroke operation on the front panel), then these codes are sent. For example, if the
HEX code
01 82 81 81
was sent from the PC, then the switcher (machine 1) will switch input 2 to output 1. If the user switched input 1 to output 2
via the front panel keypad, then the switcher will send HEX codes:
41 81 82 81
to the PC.
When the PC sends one of the commands in this group to the switcher, then, if the instruction is valid, the switcher replies by
sending to the PC the same four bytes that it was sent (except for the first byte, where the DESTINATION bit is set high).
NOTE 4 - The reply to a "REQUEST" instruction is as follows: the same instruction and INPUT codes as were sent are
returned, and the OUTPUT is assigned the value of the requested parameter. The reply to instruction 11 is as per the
definitions in instruction 8. For example, if the present status of machine number 1 is breakaway setting, then the reply to the
HEX code
0B 80 80 81
would be HEX codes
4B 80 81 81
(25 pages)
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