C O M M A N D R E F E R E N C E
Command Reference
86
LDC-3700 Series
C H A P T E R
4
The MESsage command allows the user to enter an ASCII string of up to 16 non−zero characters.
This command may be useful for storing messages which relate to a test or configuration.
Parameters
An ASCII string that is 1 − 16 bytes in length.
Notes
The message may contain any ASCII character, but will be terminated when a NULL terminator
character is received. If the message has less than 16 bytes, the software will fill the remaining mes−
sage space with the space character. After 16 bytes have been entered, the software will null−
terminate the string.
Examples
MESSAGE "This is a test." −action: The string, "This is a test. " will be stored in non−volatile mem−
ory.
Mes "Test 3" −action: The string, "Test 3 " will be stored in non−volatile memory.
The MESsage? query returns the previously stored message. This message will always be 16 bytes
long and enclosed in quotes. The message is entered via the MESsage command.
Notes
The response data will be a 16−byte long string. If there is no previously stored message, the
response will be " ", all spaces.
Examples
"MES?" −response: "Test 3 ", means the previously stored message was "Test 3".
"Message?" −response: "This is a test. ", means the previously stored message was "This is a test."
Action
Sets the operation complete bit in the Event Status Register when all pending overlapped
commands have been completed.
Response
None.
Example
*OPC
Action
Places an ASCII character 1 into the intrument’s Output Queue when all pending operations have
been finished.
Response
1 − when all overlapped commands are complete.
Example
*OPC?
MESsage
C
OMMON
D
EVICE
D
EPENDENT
F
RONT
P
ANEL
MESsage?
C
OMMON
D
EVICE
D
EPENDENT
F
RONT
P
ANEL
*OPC
Operation Complete
C
OMMON
D
EVICE
D
EPENDENT
F
RONT
P
ANEL
*OPC?
Operation Complete Query
C
OMMON
D
EVICE
D
EPENDENT
F
RONT
P
ANEL
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