User Manual
    GDS-3000 Programming Manual 
12 
USB/RS-232C Remote Control Software 
Terminal 
application 
(USB/RS-232C) 
Invoke the terminal application such as hyper 
terminal program. For RS-232C, set the COM port, 
baud rate, stop bit, data bit, and parity 
accordingly. 
To check the COM port No, see the Device 
Manager in the PC. For WinXP, Control panel → 
System → Hardware tab. 
Functionality 
check 
Run this query command via the terminal. 
*idn? (use line feed character as the message 
terminator) 
This should return the Manufacturer, Model 
number, Serial number, and Firmware version in 
the following format. 
GW, GDS-3354, EK200001, V1.08 
PC Software 
(USB only) 
The proprietary PC software FreeWave is 
downloadable from the GWInstek website for 
remote control. 










