Sharp PN-655U Benutzerhandbuch
ENGLISH
39
E
Example: VOLM0030
VOLM
30 (“
” indicates a space.)
* Be sure to input 4 characters for the parameter. Pad with spaces if necessary.
Wrong: VOLM30
Wrong: VOLM30
Right: VOLM
30
(“
” indicates a space. “
” is the return code (0D
H
, 0AH or 0D
H
).)
If a command has “R” listed for “DIRECTION” in the “RS-232C command table” on page 46, the current
value can be returned by using “?” as the parameter.
value can be returned by using “?” as the parameter.
Example: 1. If an ID number has not been set:
VOLM????
← From PC to monitor (How much is current volume setting?)
30
← From monitor to PC (Current volume setting: 30)
2. If an ID number has been assigned (For example, ID number = 1)
VOLM
?
← From PC to monitor (“ ” indicates a space.)
30
001
← From monitor to PC (“ ” indicates a space.)
<Response code format>
■ When a command has been executed correctly
This is returned when execution of the command is
finished.
finished.
■ When a command has not been executed correctly*
* This is returned when there is no such command, or
when the command cannot be used in the current
state of the monitor (Example: When
“ADJUSTMENT” is used (a command which is
effective when the input mode is “ANALOG”), while
video is displayed (the input mode is “VIDEO”)).
state of the monitor (Example: When
“ADJUSTMENT” is used (a command which is
effective when the input mode is “ANALOG”), while
video is displayed (the input mode is “VIDEO”)).
* If there is a bad connection between the PC and
monitor, or if communication has not been
established, nothing is returned (not even ERR).
established, nothing is returned (not even ERR).
■ If execution of the command is taking some time
If a command takes some time to execute, WAIT may
be returned as the return value. Wait for a moment, and
OK or ERR will be returned. New commands cannot be
received during this time, even if they are sent.
be returned as the return value. Wait for a moment, and
OK or ERR will be returned. New commands cannot be
received during this time, even if they are sent.
■ If RS-232C is locked
If RS-232C control has been locked with the
operation lock (see page 26), LOCKED is returned
as the returned value.
operation lock (see page 26), LOCKED is returned
as the returned value.
Communication procedure
Basic operation
<Command format>
When a command is sent from the PC to the monitor, the monitor operates according to the received
command, and sends a response message to the PC.
command, and sends a response message to the PC.
C1
C2
C3
C4
P1
P2
P3
P4
Return code
Command field
(4 prescribed
alphanumerical
characters)
Parameter field
(4 character string
comprised of:
0-9, +, space, ?)
O
K
Return code
(0D
H
, 0A
H
)
R
R
E
Return code
(0D
H
, 0A
H
)
I
W
T
A
Return code
(0D
H
, 0A
H
)
E
C
D
K
O
L
Return code (0D
H
, 0A
H
)