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im Vertrieb von
Command/response table for advanced instructions
(for the control program for Windows)
Command
IR block
Read (upload)
Write (download)
Flag block
Read (upload)
Write (download)
Unit reset
Reset unit
Flag block
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CAMBOARD Electronics
Hex. command
(host to switcher)
80 83
80 82 [8 kbytes]
80 85
[Byte0]*[Byte1] 91
[Byte2]*[Byte3] 93
[Byte6]*[Byte7] 97
[Byte8]* 30 99
80 81
The flag block consists of fifteen bytes (0 to 14) that will be used for handling
special operation functions.
Byte 0 – Power on delay
Byte 1 – Power off delay
Byte 2 – Triple-action switching delay (0.5 second * value)
Byte 3 – Relay control
Byte 4 – Not used
Byte 5 – Not used
Byte 6 – Not used
Byte 7 – Mute control and various flags
Bit 7 – true = mute audio upon display power-down
Bit 6 – true = limit initial system volume (upon switcher power-up)
Bit 5 – true = send responses to RS-232 commands
Bit 4 – true = send channel change IR command upon display power-up
Bit 3 – false = disable front panel volume knob
Bit 2 – false = disable IR while display power is off
Bit 1 – false = fixed Line Out output level (1 = volume knob controls Line Out)
Bit 0 – unused
The factory default for byte 7 is all bits set to On (hex FF).
Byte 8 – Video type (composite video, S-video, or RGB)
Bit 5 = video 5 mode
0 = video
1 = S-video
Bit 4 = video 4 mode
0 = video
1 = S-video
Bit 3 = reserved
Bits 2 & 1 = video 3 mode
00 = RGB
01 = S-video
10 = video
11 = undefined
Bit 0 = reserved
Byte 14 – Checksum
Tel. 07131 911201
Fax 07131 911203
Response
Additional description
(switcher to host)
8k bytes of data
Dnl
Downloads 8 kbytes.
15 bytes of data
Example:
To set byte 0 to 21 and
Flg
byte 1 to 100, send the
Flg
following command:
Flg
30 32 31 2A 31 30 30 91
Flg
The byte value range is 0-255.
Upd
ce-info@camboard.de
System 5c c c c c r r r r r Plus • Serial Communication
hex
4-5
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