24 VPL-FX30
HEADER(2) COMMUNITY(4) COMMAND(4) DATA(n)
VERSION(1) CATEGORY(1)
4-3-2. SDCP
1. Packet Structure
The Fig. 4-5 shows SDCP packet format. The number in the brackets shows byte. The statement for each
fi eld is described bellow.
Fig. 4-5 SDCP Packet Structure
2. HEADER Field
The HEADER fi eld consists of VERSION and CATEGORY sub fi eld shown below. The length of each
sub fi eld is 1 byte.
Fig. 4-6 HEADER Field
(1) VERSION sub fi eld
This is a fi xed value of 02h, which means “version2”.
(2) CATEGORY sub fi eld
Category number 0Ah of the projector is entered here. Projector checks the category number. If a
different category number is entered, the request is ignored.
3. COMMUNITY Field
When the community data matches the community that is set in the display equipment, the request is
executed. COMMUNITY fi eld should consist of four alphanumeric characters (case sensitive). All display
equipment has the default value “SONY” when shipped at the factory.
n
COMMUNITY fi eld should be fi lled with four characters. Three characters or less are not allowed.