Outline; Communication Format; Data Format - JVC DLA-DS1U - General Purpose D-ila Projector Manual

１．OUTLINE １． １． １．
This document describes the communication and data formats used to control the projector via
its RS-232C port.
２． COMMUNICATION FORMAT
２．
２． ２．
Transfer Rate :
Data Length :
Parity Bit
Start Bit
Flow Control :
３．DATA FORMAT
３． ３． ３．
3.1 Command Data Format (External Control to Projector)
Header ID SP
Header ： Indicates the beginning of data and data type
ID ： Identification number of Projector
SP ： Indicates the separation between ID and command, command and parameter,
CR ： Indicates the end of data(0DH)
3.2 Tally (Response) Data Format (Projector to External Control)
3.2.1 Tally (Response) Data when Terminated Normally
Header ID
Header
ID
SP
Normal Termination ： '0'(30H)
Status
CR
* Parameter is sent when tally (response) data is issued in response to a query (request for data.)
9600, 19200(default) bps
8 bits
: None
: 1 bit
None
Command SP Parameter
'!'(21H) ： Command for the Projector
'?'(3FH) Query to the Projector (Request for data)
：
parameter and parameter(20H)
SP Normal Termination Status
: Indicates the beginning of tally (response) data
'@'(40H)
： Identification number of the Projector
： Indicates the separation between ID and status, status and parameter,
parameter and parameter(20H)
： Indicates the end of data(0DH)
SP Parameter
SP Parameter
2
SP ・・ CR
SP Parameter
・・
CR
There is