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Projector Control
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4.1.2 Message Body
The message body has the following structure:
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Operation Type
Function
Value
OpTypeLo
0x00
FuncNum_lo
0x00
Opval_lo
Opval_hi
Table 6
4.1.2.1 Field description
Field Name
Field Value
Description
OpTypeLo
0x01
0x01
Operation Set. Set current value
0x02
Operation Get. Gets the current value
0x03
Operation Initialize. Initialize the value to default.
Should not be used
Should not be used
0x04
Operation Increment. Increment the value by one
step. Only valid for “Adjust” functions.
step. Only valid for “Adjust” functions.
0x05
Operation Decrement. Decrement the value by one
step. Only valid for “Adjust” functions.
step. Only valid for “Adjust” functions.
Operation Type
0x06
Operation Execute. Execute the operation. Only
used for “Execute” operations
used for “Execute” operations
Function
FuncNum
The actual function number to execute. A list of
usable FuncNum is given in Chapter 7
usable FuncNum is given in Chapter 7
Value
-
Only used by Operation Set. The actual value to set
the operation to. For all other operation actions, this
field is set to 0x0000.
the operation to. For all other operation actions, this
field is set to 0x0000.
Table 7