Communication Procedure - Sony VPL-DX125 Protocol Manual

4-2. Communication Procedure

Communication sequence is shown below. SDCP commands must be issued by CONTROLLER and
PROJECTOR responses to it. On the other hand, SDAP commands are sent by PROJECTOR and have no
response from CONTROLLER.
CONTROLLER
SDCP SET/GET Request
Response
(OK/NG)
It is prohibited that CONTROLLER send another command before receiving the response to the previous
command. Since PROJECTOR executes the command before sending the return data, CONTROLLER
must wait a while before receiving the response. The waiting time depends on not only the commands but
also network traffi c.
16 (E)
PROJECTOR
SDAP Broadcast
SDAP Broadcast
Fig. 4-1 Command Sequence
The command is executed if it's valid.
Then, the receive command is sent to
the CONTROLLER.
VPL-EX225