Sharp Aquos LC 32GD9E - Manual (Page 35)

33
Appendix
PC compatibility chart
Resolution
Horizontal
Frequency
Vertical
Frequency
VESA
Standard
640 g 480 VGA 31.5 kHz 60 Hz
✓
800 g 600 SVGA 37.9 kHz 60 Hz
✓
1024 g 768 XGA 48.4 kHz 60 Hz
✓
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.
Return code Command 4-digits Parameter 4-digits
Command format
Eight ASCII codes e CR
Command 4-digits: Command. The text of four characters.
Parameter 4-digits: Parameter 0 – 9, g, blank, ?
C1 C2 C3 C4 P1 P2 P3 P4
Parameter
Input the parameter values, aligning left, and fill with
blank(s) for the remainder. (Be sure that four values are
input for the parameter.)
When the input parameter is not within an adjustable
range, “ERR” returns. (Refer to “Response code format”.)
When “?” is input for some commands, the present setting
value responds.
0 0 5 5
1 0 0
– 3 0
0 0 0 9
0
? ? ? ?
?
Return code (0DH)
Response code format
Normal response
Problem response (communication error or incorrect
command)
Return code (0DH)
O K
E R R
RS-232C port specifications
PC Control of the TV
• When a program is set, the TV can be controlled
from the PC using the RS-232C terminal.
The input signal (PC/video) can be selected, the
volume can be adjusted and various other
adjustments and settings can be made, enabling
automatic programmed playing.
• Attach an RS-232C cable cross-type (commercially
available) to a 9 pin D-sub/MINI-DIN (optional: AN-
A1RS) for the connections.
NOTE
• This operation system should be used by a person who is
accustomed to using PCs.
Communication conditions
Set the RS-232C communications settings on the PC
to match the TV’s communications conditions. The TV’s
communications settings are as follows:
Baud rate:
Parity bit:
Data length:
Stop bit:
Flow control:
9,600 bps
8 bits
None
1 bit
None
RS-232C serial control cable
(cross type, commercially available)
9 pin D-sub/MINI-DIN
conversion cable (optional:
AN-A1RS)
VGA, SVGA and XGA are registered trademarks
of International Business Machines Co., Inc.
NOTE
• This TV has only limited PC compatibility, correct operation
can only be guaranteed if the video card conforms exactly
to the VESA 60Hz standard. Any variations from this
standard will result in picture distortions.