RIGOL DP832A - Manual (Page 142)

RIGOL Chapter 2 Command System
2-118 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 {<value>|MINimum|MAXimum}
:SYSTem:CONTrast? [{MINimum|MAXimum}]
Description Set the contrast of the screen.
Query the contrast of the screen.
Parameter Name Type Range Default
<value> 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 You can also send the *RST 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
*RST