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Controlling the Instrument and Acquiring Data with Commands
Messages displayed in the communications monitor and their
meanings
If an error occurs during command execution, the following information is displayed.
• Command error (improper command, improper argument format, etc.)
> #CMD ERROR
• Argument out of range
> #PARAM ERROR
• Execution error
> #EXE ERROR
The approximate location of the error is also displayed.
Argument error (1E-3 is out of range)
> :TIMer 1E-3
> #^ PARAM ERROR
• Spelling error (:SPED FAST instead of :SPEED FAST)
> :SPED FAST
> #^ CMD ERROR
IMPORTANT
• If an illegal code is received, the character code is displayed in hexadecimal
notation enclosed in “<>”.
For example, the character 0xFF is displayed as <FF>, and 0x00 as <00>.
If only hexadecimal characters like this are displayed, check the communications
conditions or lower the communications speed.
• If an RS-232C error occurs, the following information is displayed.
Overrun error (signal lost) ...............
#Overrun Error
Break signal received ......................
#Break Error
Parity error ......................................
#Parity Error
Framing error ..................................
#Framing Error
When these messages are displayed, check the communications conditions or
lower the communications speed.
• When a series of consecutive commands are sent, the error position may shift.
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Appx. Ind.
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