Sdcp Protocol; Format; Header; Community - Sony VPL-CX61 Protocol Manual
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Also See for VPL-CX61:
- Service manual (110 pages) ,
- Operating instructions manual (58 pages) ,
- Specifications (4 pages)
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3-3. SDCP Protocol
This section describes the packet structure of SDCP.
Header
Community
Command
(2)
(4)
3-3-1. Format
3-3-1-1. Header
The header consists of Version (8 bits) and Category (8 bits).
0
0
1
2
3
4
5
6
7
Version (8)
Fig. 2 Header structure
Version
This indicates the version number of protocol.
It is fixed to 02h (version 2).
Category
Category number 0x0a of the projector is entered here. Projector checks the category number. If a
different category number is entered, the request is ignored.
3-3-1-2. Community
When the community Data matches the community that is set in the display equipment, the request is
executed. Community consists of four alphanumeric characters (case sensitive). All display equipment
has the default value "SONY" when shipped from the factory.
0
0
1
2
3
4
5
6
7
n
Community should be entered with four characters. Three characters or less are not accepted.
VPL-CX61/CX63/CX75/CX76/CX80/CX85/CX86/CX100/CX120/CX125/CX150/CX155/CW125/FE40/FE40L/FH300L/FX40/FX40L/FX51/FX52/FX52L/FW300L/PX35/PX40/PX41
(4)
Fig. 1 Packet structure
(Bit position)
1
8
9
0
1
2
3
4 5
Category (8)
1
8
9
0
1
2
3
4 5
6
Community (32)
Data (n)
2
7
8
9 0
1
2
3
4
5
(Bit position)
3
6
7
8
9 0
1
9
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