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Data7 (Video output4 corresponding input channel):
0x00-0x07 stands for video input1 to video input8.
d. 0x04: Camera control.
Format: 0x2a 0x04 n data1 data2 data3 data4 0x21
i. Hereinto, n=4
ii. Data1: camera address, start from 0x00
iii. Data2: camera operation:
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0x00: Stop
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0x01: Pan Left
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0x02: Pan Right
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0x04: Tilt Up
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0x08: Tilt Down
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0x10: Zoom Wide
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0x20: Zoom Tele
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0x40: Set Preset
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0x80: Go to Preset
iv. When data2 be Pan or Tilt, data3 and data4 stands
for speed.
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Data3: Pan speed (0x00-0x1f)
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Data4: Tilt speed (0x00-0x1f)
v. When Data2 be Set Preset or Go to Preset, Data3
and Data4 stands for preset number.
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Data3 is 0x00 and data4 is 0x00-0x1f stands for
preset1 to preset32.
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Data3 is 0x01 and data4 is 0x00-0x1f stands for
preset33 to preset64.
Example 1: camera 1 pan left with half speed, then
the command will be: 0x2a 0x04 0x04
0x00 0x01 0x0f 0x00 0x21
Example 2: camera 3 tilt down with full speed, then
the command will be: 0x2a 0x04 0x04
0x02 0x08 0x00 0x1f 0x21
Example 3: camera 4 zoom wide, then the command
will be: 0x2a 0x04 0x04 0x03 0x10 0x00
0x00 0x21
Example 4: set camera 1's preset 5, then the command
will be: 0x2a 0x04 0x04 0x00 0x40 0x00
0x04 0x21
Example 5: call camera 2's preset 64, then the command
will be: 0x2a 0x04 0x04 0x01 0x80 0x01 0x1f
0x21
100