Rs-232C Port Specifications; Pc Control Of The Tv - Sharp Aquos LC-42LE540U Operation Manual

Using a PC
RS-232C Port Specifi cations

PC control of the TV

• The TV can be controlled from a PC using the RS-
232C terminal.
• Use a cross-type RS-232C cable (commercially
available) 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:
Data length:
Parity bit:
Stop bit:
Flow control:
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 table
• Commands not indicated here are not guaranteed to operate.
CONTROL ITEM COMMAND PARAMETER
POWER ON COMMAND SETTING R S P W
POWER SETTING P O W R 0 _ _ _ Power Off
INPUT SELECTION TOGGLE I
TV I
1-7 I A V D
AV MODE SELECTION A V M D
VOLUME
V O L M
H-POSITION H-POSITION
POSITION H P O S
V-POSITION V P O S
CLOCK
C L C K
PHASE
P H S E
VIEW MODE
W I
MUTE
M U T E
SURROUND A C S U
AUDIO SELECTION
A C H A x
SLEEP TIMER
O F T M
CHANNEL DIRECT
D C C H
CHANNEL
(ANALOG)
DIRECT
D A 2 P
CHANNEL
D C 2 U *
(DIGITAL)
D C 2 L
D C 1 0
D C 1 1
CH UP C H U P
CH DOWN C H D W
CC
C L C P
• 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.
• Any numerical value can replace the "x" on the table.
48
9,600 bps
8 bits
None
1 bit
None
_ _ _ Off
0
1 _ _ _ On
1 _ _ _ Power On
T G D x _ _ _ (Toggle)
T V D 0 _ _ _
_ _ _ Input terminal number (1-7)
*
* _ _ _ 0: (Toggle), 1: STANDARD, 2: MOVIE , 3: GAME,
4: PC, 5: DYNAMIC, 6: DYNAMIC (Fixed), 7: USER
_ _
* * Volume (0–60)
_ Only PC mode. (0–100,menu disolay range+/-50)
* * *
_ Only PC mode. (0–40,menu display range+/-20)
* * *
_
* * * Only PC mode. (0–180,menu display range+/-90)
_ Only PC mode. (0–40,menu display range+/-20)
* * *
D E * _ _ _ 0: (Toggle) 1: Normal 2: S.Stretch 3: Zoom 4: Zoom
5: Full Screen 6: Dot by Dot 7: Cinema
* _ _ _ 0: (Toggle), 1: On, 2: Off
0: (Toggle), 1: On, 2: Off
* _ _ _
_ _ _ (Toggle)
0: Off, 1: OFF TIMER – 30 MIN., 2: OFF TIMER – 60 MIN.,
* _ _ _
3: OFF TIMER – 90 MIN., 4: OFF TIMER – 120 MIN.
* * * _ The channel number of TV
(1–135)
* * * * (0100-9999)
* * _ (1-999)
* * * _ (0-999)
* * * * (0-9999)
* * * * (0-6383)
x _ _ _ The channel number of TV +1
x _ _ _ The channel number of TV –1
x _ _ _ (Toggle)
Command format
Eight ASCII codes e CR
C1 C2 C3 C4 P1 P2 P3 P4
Command 4-digits
Parameter 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.
When "?" is input for some
0
commands, the
present setting
0 0 0 9
value responds.
3 0
Response code format
Normal response Problem response (communication
error or incorrect command)
O K
E
Return code (0DH)
CONTROL CONTENTS
The Power On command rejected.
The Power On command accepted.
It shifts to standby.
The Power On Command must be waited until system is complately
Power Off (LED power indicator turn to be Red)
It input-switches by the toggle. (It is the same as an input change key)
It input-switches to TV. (A channel remains as it is. (Last memory))
It input-switches to INPUT1-INPUT7
Although it can choose now, it is toggle operation in inside.
The screen position variable ranges depend on the View Mode or the
signal type. The ranges can be seen on the position-setting screen.
0: Although it can choose now, it is toggle operation in available items.
1: Available in [AV] SD timing and [PC] except some timing (*1).
2,3,4: Only available when [AV] signal is being input.
5: Available in [AV] 720p and [PC] except 1280X720,1920X1080 timming.
6: Available in [AV] 1080i and 1080p timming and [PC] except 1600X1200.
7: Only available in [PC] except some timng (*2).
(*1) 1360X768, 1366x768, 1280X1024, 1400X1050, 1600X1200, 1920X1080
(*2) 1360X768, 1366x768, 1280X720, 1920X1080.
An input change is included if it is not TV display.
In Air, 2–69ch is effective.
In Cable, 1–135ch is effective.
DIGITAL Air (Two-Part numbers, 2-digit plus 2-digit)
DIGITAL Cable (Two-Part numbers, 3-digit plus 3-digit)
Front half of DIGITAL CABLE CHANNEL NO. (Designate major channel)
DIGITAL Cable (Two-Part numbers, 3-digit plus 3-digit)
Rear half of DIGITAL CABLE CHANNEL NO. (Designate minor channel)
DIGITAL Cable (One-Part numbers, 5-digit, less than 10,000)
DIGITAL Cable (One-Part numbers, 5-digit, more than 10,000)
If it is not TV display, it will input-switch to TV. (same function as CH
If it is not TV display, it will input-switch to TV. (same function as CH
Toggle operation of a closed caption.
Return code
?
? ? ?
R R
Return code (0DH)
)
)
?