If the error code setting is set to on, the meter will return 
error codes if the wrong command or an invalid 
command is received to help you to debug your control 
program. 
"*E00",    //No error 
"*E01",    //"Bad command",          
"*E02",    //"Parameter error",       
"*E03",    //"Missing parameter",       
"*E04",    //"buffer overrun",         
"*E05",    //"Syntax error",           
"*E06",    //Invalid separator",       
"*E07",    //"Invalid multiplier",     
"*E08",    //"Numeric data error", 
"*E09",    //"Value too long", 
"*E10",    //"Invalid command"  
"*E11",    //"Unknown error"   
To set up the Error Code feature 
Step  1.  Press the [Measure] or [Setup] key. 
Step  2.  Press the [SYSTEM] bottom soft-key.  
Step  3.  Use the cursor key to select the  
[ERROR CODE] field.
  
Step  4.  Use the soft-keys to set the error code setting.