Kramer 900XL [12/15] Kramer protocol 2000
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Kramer 900XL [12/15] Kramer protocol 2000

Kramer 900XL [12/15] Kramer protocol 2000
Kramer Protocol 2000
9
9
1
st
BYTE: Bit 7 – Defined as 0.
D – “DESTINATION”: 0 - for sending information to the switchers (from the PC);
1 - for sending to the PC (from the switcher).
N5…N0 – “INSTRUCTION”
The function to be performed by the switcher(s) is defined by the INSTRUCTION (6 bits). Also, if a function is performed
via the machine’s keyboard, then these bits are set with the INSTRUCTION NO. that was performed. The instruction codes
are defined according to the table below (INSTRUCTION NO. is the value to be set for N5…N0).
2
nd
BYTE: Bit 7 – Defined as 1.
I6…I0 – “INPUT”.
When switching (i.e. instruction codes 1 and 2), the INPUT (7 bits) is set as the input number which is to be switched.
Similarly, if switching is done via the machine’s front-panel, then these bits are set with the INPUT NUMBER which was
switched. For other operations, these bits are defined according to the table.
3
rd
BYTE: Bit 7 – Defined as 1.
O6…O0 – “OUTPUT”.
When switching (ie. instruction codes 1 and 2), the OUTPUT (7 bits) is set as the output number which is to be switched.
Similarly, if switching is done via the machine’s front-panel, then these bits are set with the OUTPUT NUMBER which was
switched. For other operations, these bits are defined according to the table.
4
th
BYTE: Bit 7 – Defined as 1.
Bit 5 – Don’t care.
OVR – Machine number override.
M4…M0 – MACHINE NUMBER.
Used to address machines in a system via their machine numbers. When several machines are controlled from a single serial
port, they are usually configured together with each machine having an individual machine number. If the OVR bit is set, then
all machine numbers will accept (implement) the command, and the addressed machine will reply.
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 6: Instruction Codes for Protocol 2000
Note: All values in the table are decimal, unless otherwise stated.
INSTRUCTION
DEFINITION FOR SPECIFIC INSTRUCTION
NOTE
#
DESCRIPTION
INPUT
0
RESET MACHINE
0
1
2
SWITCH AUDIO
Set equal to audio input
which is to be switched
(0 = disconnect)
2
6
REQUEST STATUS OF AN
AUDIO OUTPUT
Set as SETUP #
4, 3
12
REQUEST VIDEO / AUDIO
TYPE SETTING
Set as SETUP #, or
set to 126 or 127 to
request if machine has
this function
3, 4, 6
22
SET AUDIO PARAMETER
Equal to output number
whose parameter is to be
set = 1
2, 11
24
INCREASE / DECREASE AUDIO
PARAMETER
Equal to output number
whose parameter is to be
increased / decreased
by 1
24
25
REQUEST AUDIO PARAMETER
Equal to output number
whose parameter is
requested
6, 20, 24
57
SET AUTO-SAVE
I3 - no save
I4 - auto-save
12, 2
61
IDENTIFY MACHINE
2 - audio machine name
4 - audio software version
6 - RS422 controller
version
7 - remote control name
8 - remote software
version
9 - Protocol 2000 revision
13
62
DEFINE MACHINE
1 - number of inputs
2 - number of outputs
3 - number of setups
14

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