KRAMER: SIMPLE CREATIVE TECHNOLOGY
VP-23DS Communication Protocol
24
NOTE 9
When changing parameters (mix or gain), further information needed in instructions 22 and 25 is sent using instruction 42 –
which is sent prior to the instruction. For example, to request the audio gain value of the master audio output
2A
80
80
81
and then send HEX codes
19
81
80
81.
To set MIX mode, send hex codes
2A 81 84 81
and then send HEX codes
16
80
81
81
NOTE 10
The FOLLOW mode is for the switcher and scaler system. When changing the status of a switcher group, the scaler input
automatically connects to that group's output. For example, if the latest change in the switcher was in the SV group, then the
scaler's input automatically connects to the SV group output
NOTE 11
This instruction selects the input signal resolutions of the scaler
NOTE 12
If INPUT is set to 127 for these instructions, then, if the function is defined on this machine, it replies with OUTPUT=1. If the
function is not defined, then the machine replies with OUTPUT=0, or with an error (invalid instruction code).
If the INPUT is set to 126 for these instructions, then, if possible, the machine will return the current setting of this function,
even for the case that the function is not defined. For example, request breakaway setting would be HEX code:
0B
80
80
81
would be HEX codes:
4B
80
80
81 (for Scaler FOLLOW mode)
or:
4B
80
81
81 (for Scaler normal mode)
For example, request Scaler resolution would be HEX codes:
0C
80
80
81
would be HEX codes:
0C
80
81
81 (for VGA resolution)
0C
80
82
81 (for SVGA resolution)
0C
80
83
81 (for XGA resolution)
and
0C
80
84
81 (for WXGA resolution)
