Kramer Electronics VP-27 - Manual (Page 20)

Hex Table (Protocol 2000)
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11 Hex Table (Protocol 2000)
The following sections describe the Hex values (which the protocol in Section
13.4 describes in more detail) for the VP-27 Presentation Switcher. RS-232
communication is at 9600 baud, no parity, 8 data bits and 1 stop bit.
11.1 The Switching Control Hex Table
Table 6 lists the Hex values for the Video and Audio In-group Selector:
Table 6: VP-27 Hex Table Video and Audio In-group Selector
Inputs CV OUT Y/C OUT PC OUT Master Audio
Group #
CV
In 1 01 81 81 81
In 2 01 82 81 81
In 3 01 83 81 81
In 4 01 84 81 81
Y/C
In 1 01 81 82 81
In 2 01 82 82 81
In 3 01 83 82 81
In 4 01 84 82 81
PC
In 1 01 81 83 81
In 2 01 82 83 81
In 3 01 83 83 81
In 4 01 84 83 81
Master Audio
Group
input
CV 02 81 80 81
Y/C 02 82 80 81
PC 02 83 80 81
Mic 02 84 80 81
11.2 Audio Gain Control Hex Tables
The following tables describe the audio gain controls.
Table 7: Set the Audio Gain Control for the Groups
VGA 1 Y/C PC Notes
16 81 80 81 16 82 80 81 16 83 80 81 Mute …
… …
16 81 F1 81 16 82 F1 81 16 83 F1 81 0dB (1:1) … … …
16 81 FF 81 16 82 FF 81 16 83 FF 81 Maximum
Table 8: Set the Audio Output Gain Control for the Microphone
Audio Gain Control for Microphone
16 84 80 81 Mute …
16 84 EB 81 0dB (1:1) …
16 84 FF 81 Maximum