Sharp PN-L851H Operation Manual page 46

Controlling the Monitor with a computer (RS-232C)
nResponse code format
When a command has been executed correctly
O K
A response is returned after a command is executed.
When a command has not been executed
E R R
TIPS
• "ERR" is returned when there is no relevant command or
when the command cannot be used in the current state of
the monitor.
• If communication has not been established for reasons
such as a bad connection between the computer and
monitor, nothing is returned (not even ERR).
• "ERR" may be returned when a command cannot be received
correctly due to interference from the surrounding environment.
Please ensure that the system or software resends the
command if this occurs.
If execution of the command is taking some time
W A I
When the following commands are used, "WAIT" is returned.
In this case, a value will be returned if you wait a while. Do not
send any command during this period.
• Commands which return WAIT:
RSET, POWR, INPS, ASNC, PXSL, AGIN, HDRS, DPST,
HD1M, HD2M, OPTM, MWIN, MWIP, MWPP, MSCS, MSP1,
MSP2, MSP3, MSP4, MSIP, BOMD, APST, APRV, WIDE
When control via RS-232C is locked (see page 43)
L O C
When MONITOR CONTROL SELECT is set to LAN or
APPLICATION
U N S E
46
E
Return code
(0D , 0A )
H H
Return code
(0D , 0A )
H H
T
Return code
(0D , 0A )
H H
K E D
Return code
(0D
L E C T E D
nCommunication interval
• After OK or ERR is returned, you must send the following
commands.
To set a timeout for the command response, specify 10
seconds or longer.
• Provide an interval of 100 ms or more between the
command response and the transmission of the next
command.
VOLM0020
OK
INPS0001
WAIT
OK
TIPS
• When executing ALL RESET, set the timeout period to 30
seconds or longer.
• When turning the power on while the POWER ON DELAY
function is in use, set the timeout period to the POWER ON
DELAY period + 10 seconds or longer.
, 0A )
H H
Return code
(0D , 0A )
H H
Interval of 100 ms or more