Pc Compatibility Chart; Rs232 Port Specifications - Sharp Aquos LC-40LE550U Operation Manual

Appendix

PC Compatibility Chart

It is necessary to set the PC correctly to display XGA and WXGA signal.
PC
VGA
SVGA
PC
XGA
WXGA
WUXGA

RS232 Port Specifications

PC control of the TV
• Attach an RS-232C cable cross-type (commercially
available) to the supplied Din/D-Sub RS-232C for the
connections.
• This operation system should be used by a person who is
accustomed to using computers.
Communication conditions
Set the RS-232C communication settings on the PC to
match the TV's communication conditions.
The TV's communication settings are as follows:
Baud rate: 9,600 bps
Data length: 8 bits
Parity bit: None
Stop bit: 1 bit
Flow control: None
Communication procedure
Send the control commands from the PC via the RS-
232C connector.
The TV operates according to the received command
and sends a response message to the PC.
Do not send multiple commands at the same time.
Wait until the PC receives the OK response before
sending the next command.
40
Resolution
720 x 400
640 x 480
800 x 600
1024 x 768
1366 x 768
1920 x 1080
Horizontal Vertical
Frequency Frequency
31.46 kHz 70.08 Hz
31.47 kHz 59.94 Hz
37.50 kHz 75.00 Hz
37.88 kHz 60.32 Hz
48.08 kHz 72.19 Hz
46.88 kHz 75.00 Hz
48.36 kHz 60.00 Hz
56.48 kHz 70.07 Hz
60.02 kHz 75.03 Hz
47.71 kHz 59.79 Hz
66.58 kHz 59.94 Hz
Command format
Eight ASCII codes + CR
C1 C2 C3 C4 P1 P2 P3 P4
Command 4-digits
Command 4-digits: Command. The text of four characters.
Parameter 4-digits: Parameter 0–9, x, blank, ?
Parameter
Input the parameter values, aligning left, and fi ll with
blank(s) for the remainder. (Be sure that 4 values are
input for the parameter.)
When the input parameter is not within an adjustable
range, "ERR" returns. (Refer to "Response code format".)
Any numerical value can replace the "x" on the table.
0
0 0 0 9
3 0
Response code format
Normal response
O K
Return code (0DH)
VESA Standard
—
O
O
O
O
O
O
O
O
O
O
Parameter 4-digits Return code
When "?" is input for some
commands, the
present setting ?
value responds.
? ?
Problem response (communication
error or incorrect command)
E R R
Return code (0DH)
? ?