System:communicate:rs232:stopbit, System:contrast, System:error – RIGOL DP832A User Manual
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DP800 Programming Guide
:SYSTem:COMMunicate:RS232:STOPBit
Syntax
:SYSTem:COMMunicate:RS232:STOPBit {1|2}
:SYSTem:COMMunicate:RS232:STOPBit?
Description
Set the stop bit.
Query the current stop bit.
Parameter
Name
Type
Range
Default
{1|2}
Discrete
1|2
1
Return Format
The query returns 1 or 2.
Example
:SYST:COMM:RS232:STOPB 2 /*Set the stop bit to 2*/
:SYST:COMM:RS232:STOPB? /*Query the current stop bit and the query
returns 2*/
:SYSTem:CONTrast
Syntax
:SYSTem:CONTrast {
:SYSTem:CONTrast? [{MINimum|MAXimum}]
Description
Set the contrast of the screen.
Query the contrast of the screen.
Parameter
Name
Type
Range
Default
Integer
1 to 100
25 (factory setting)
Return Format
The query returns an integer, for example, 50.
Example
:SYST:CONT 50 /*Set the contrast of the screen to 50%*/
:SYST:CONT? /*Query the contrast of the screen and the query returns 50*/
:SYSTem:ERRor?
Syntax
:SYSTem:ERRor?
Description
Query and clear the error messages in the error queue.
Explanation
command to restore the instrument to the factory state
(refer to "Appendix B: Factory Setting") and clear the error queue.
Return Format
The query returns the number and content of the error message, for example,
-113,"Undefined header; keyword cannot be found".
Related
Command