PSW Series Programming Manual 
34 
The socket function is only available for firmware 
version V1.12 or above. See the user manual to 
check your firmware version number. 
USB Remote Control Function Check 
 
Invoke a terminal application such as Realterm. 
The PSW will appear as a COM port on the PC. 
To check the COM port No, see the Device 
Manager in the PC. For WinXP; Control panel 
→ System → Hardware tab. 
If you are not familiar with using a terminal 
application to send/receive remote commands via 
a USB connection, please page 35(Using Realterm 
to Establish a Remote Connection) for more 
information. 
Run this query command via the terminal after 
the instrument has been configured for USB 
remote control (page 30). 
*idn? 
This should return the Manufacturer, Model 
number, Serial number, and Firmware version 
in the following format. 
GW-INSTEK,PSW-XXX-X,TW123456,01.00.20110101