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Appendix
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) 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: 9,600 bps
• Data length: 8 bits
• Parity bit: 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.
Command format
Eight ASCII codes e CR
C1 C2 C3 C4 P1 P2 P3
Command 4-digits
Command 4-digits: Command. The text of four characters.
Parameter 4-digits: Parameter 0 – 9, g, 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".)
0
–
0
0
0
9
1
When "?" is input for some commands, the present setting value
responds.
?
?
22
RS-232C serial control cable
(cross type, commercially available)
• Stop bit: 1 bit
• Flow control: None
P4
Parameter 4-digits
Return code
3
0
0
0
0
0
?
?
?
Response code format
Normal response
O
K
Problem response (communication error or incorrect command)
E
R
R
Commands
CONTROL ITEM
POWER SETTING
INPUT SELECTION A
CHANNEL
INPUT SELECTION B
AV MODE
SELECTION
VOLUME
POSITION
WIDE MODE
W
W
W
W
W
W
W
W
MUTE
M
M
M
AUDIO CHANGE
SLEEP TIMER
O
O
O
O
O
5
5
O
TEXT
NOTE
• If an underbar (_) appears in the parameter column, enter a
space.
• If an asterisk * appears, enter a value in the range indicated in
brackets under CONTROL CONTENTS.
Return code (0DH)
Return code (0DH)
COMMAND PARAMETER
CONTROL CONTENTS
P
O
W
R
0
_
_
_
POWER OFF (STANDBY)
I
T
G
D
_
_
_
_
INPUT SWITCHING (Toggle)
I
T
V
D
_
_
_
_
TV (CHANNEL FIXED)
I
A
V
D
*
_
_
_
EXT1 – 5 (1 – 5)
D
C
C
H
*
*
_
_
TV DIRECT CHANNEL (1 – 99)
C
H
U
P
_
_
_
_
CHANNEL UP
C
H
D
W
_
_
_
_
CHANNEL DOWN
I
N
P
1
2
_
_
_
EXT1 (Y/C)
I
N
P
1
3
_
_
_
EXT1 (CVBS)
I
N
P
1
4
_
_
_
EXT1 (RGB)
A
V
M
D
0
_
_
_
AV MODE SELECTION (Toggle)
A
V
M
D
1
_
_
_
STANDARD
A
V
M
D
2
_
_
_
MOVIE
A
V
M
D
3
_
_
_
GAME
A
V
M
D
4
_
_
_
USER
A
V
M
D
5
_
_
_
DYNAMIC (FIXED)
A
V
M
D
6
_
_
_
DYNAMIC
A
V
M
D
7
_
_
_
PC
V
O
L
M
*
*
_
_
VOLUME (0 – 60)
H
P
O
S
*
*
*
_
H-POSITION AV ( 10 – 10)
H
P
O
S
*
*
*
_
H-POSITION PC (0 – 180)
V
P
O
S
*
*
*
_
V-POSITION AV ( 20 – 20)
V
P
O
S
*
*
*
_
V-POSITION PC (0 – 120)
C
L
C
K
*
*
*
_
CLOCK (0 – 180)
P
H
S
E
*
*
*
_
PHASE (0 – 15)
I
D
E
0
_
_
_
WIDE MODE (Toggle)
I
D
E
1
_
_
_
NORMAL (AV/PC)
I
D
E
2
_
_
_
ZOOM 14:9
I
D
E
3
_
_
_
PANORAMA
I
D
E
4
_
_
_
FULL (AV/PC)
I
D
E
5
_
_
_
CINEMA 16:9
I
D
E
6
_
_
_
CINEMA 14:9
I
D
E
8
_
_
_
DOT BY DOT (PC)
U
T
E
0
_
_
_
MUTE (Toggle)
U
T
E
1
_
_
_
MUTE ON
U
T
E
2
_
_
_
MUTE OFF
A
C
H
A
_
_
_
_
SOUND SELECT (ST/Bilingual/mono)
F
T
M
0
_
_
_
OFF
F
T
M
1
_
_
_
30 m
F
T
M
2
_
_
_
1 h 00 m
F
T
M
3
_
_
_
1 h 30 m
F
T
M
4
_
_
_
2 h 00 m
F
T
M
5
_
_
_
2 h 30 m
T
E
X
T
0
_
_
_
TEXT OFF
T
E
X
T
1
_
_
_
TEXT CHANGE (Toggle)
D
C
P
G
*
*
*
_
DIRECT PAGE JUMP (100 – 899)
- Quick Links:
- Connecting a Pc
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