Sharp Aquos LC-20AD5S Manuel d'utilisation - Page 32
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Appendix
PC compatibility chart
Resolution
VGA
640 × 480
SVGA*
800 × 600
XGA
1024 × 768
WXGA 1280 × 768
1360 × 768
* We recommend that the output setting from the PC
be set to VGA as SVGA will produce less than optimal
viewing quality.
VGA, SVGA, XGA and WXGA 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.
•
If you set the resolution to "1280 x 768" or "1360 x 768"
in the XGA mode menu and a WXGA signal is received,
the image is displayed dot by dot while being received,
will be normal screen, and a black band is attached on
both sides of the screen.
•
Depending on the graphics card, resolutions of 1360 x
768 may not display correctly.
RS-232C port specifications
PC Control of the TV
•
When a programme 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.
RS-232C serial control cable
(cross type, commercially available)
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:
Data length:
Parity bit:
Stop bit:
Flow control:
-30
GB
Horizontal
Vertical
Frequency
Frequency
Standard
31.5 kHz
60 Hz
37.9 kHz
60 Hz
48.4 kHz
60 Hz
47.7 kHz
60 Hz
48.1 kHz
60 Hz
47.7 kHz
60 Hz
9 pin D-sub/MINI-DIN
conversion cable
(optional: AN-A1RS)
9,600 bps
8 bits
None
1 bit
None
Communication procedure
Send the control commands from the PC via the RS-
232C connector.
VESA
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.
Command format
Eight ASCII codes + CR
C1 C2 C3 C4 P1 P2 P3
Command 4-digits Parameter 4-digits Return code
Command 4-digits: Command. The text of four characters.
Parameter 4-digits: Parameter 0 – 9, ×, blank, ?
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.
Response code format
Normal response
Problem response (communication
error or incorrect command)
P4
0
0
0
0
9
–
3
0
1
0
0
0
0
5
5
?
?
?
?
?
O
K
Return code (0DH)
E
R
R
Return code (0DH)