GPT-10000 Series User Manual 
258 
Common Commands 
 
 
*CLS.......................................................................................................... 258 
*IDN ......................................................................................................... 258 
*SRE .......................................................................................................... 259 
 
 
The *CLS command clears the internal registers 
and error message, if any. 
 
Queries the model number, serial number, and 
firmware version of the tester.  
Returns the instrument identification as a 
string in the following format: 
>GPT-12004  ,GPT12000    ,V1.00 
Model number : GPT-12004 
Serial number :8 characters serial number 
Firmware version : V1.00