(Rs-232C) Specifications And Command Settings - Sharp XV-Z9000E Operation Manual

(RS-232C) Specifications and Command Settings

PC control
A computer can be used to control the projector by connecting an RS-232C cable (null modem, cross type,
commercially available) to the projector. (See page 15 for connection.)
Communication conditions
Set the serial port settings of the computer to match those of the table on the next page.
Signal format: Conforms to RS-232C standard.
Baud rate: 9,600 bps
Data length: 8 bits
Parity bit: NONE
Stop bit: 1 bit
Flow control: None
Basic format
Commands from the computer are sent in the following order: command, parameter, and return code. After the
projector processes the command from the computer, it sends a response code to the computer.
Command format
C1 C2 C3 C4 P1 P2 P3 P4
Command 4-digits
Response code format
Normal response
O K
Problem response (communication error or incorrect command)
E R R
When more than one code is being sent, send each command only after the OK response code for the previous
command from the projector is verified.
• When using the computer control function of the projector, the projector operating status cannot be read to the computer.
Therefore, confirm the status by transmitting the display commands for each adjustment menu and checking the status with
the On-screen Display. If the projector receives a command other than a menu display command, it will execute the com-
mand without displaying the On-screen Display.
Commands
EXAMPLE
• When "Brightness" of INPUT 1 Picture Adjustment is set to
Computer
R A B R _
Parameter 4-digits
Return code (0DH)
Return code (0DH)
10.
→
1 0 O
←
Return code (0DH)
Projector
K
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