Chapter 4 Troubleshooting&Message  RIGOL 
User’s Guide for DSA800/E Series   
(2)  Execution Error:  
Indicate an execution error is detected by the Execution Control Block. 
Possible reasons are: 
  A parameter following the command header is evaluated by the 
device as being outside of its legal input range. 
  The command could not be properly responded to due to the current 
device condition. 
Message number: -299 to -200. 
 
(3)  Device Specific Error:  
The command cannot be correctly executed due to the current settings of 
the hardware and software of the device. 
Message number: -399 to -300 (defined in SCPI standard) and 300 to 
1000. 
 
(4)  Query Error: 
Indicate a query error is generated when the output queue controller 
detects a Message Exchange Protocol error (see IEEE488.2,6.1.10). 
Possible reasons are (see IEEE488.2,6.5.7) :  
  When trying to read the output queue, the queue has no data or is 
being suspended. 
  Data in the output queue has been lost. 
Message number: -499 to -400. 
 
3.  Status Message:  
Warn you that the analyzer is now in a certain or abnormal condition and 
should be paid attention to. Status messages are always marked with 
. 
They are displayed on the screen until the instrument exits the condition, the 
Esc key is pressed or the *CLS command is sent. The status messages are 
stored in the corresponding status register, and can be queried by 
sending :Status or :SYSTEM:ERROR[:NEXT]?. 
Message number: 200 to 299.