Invoke a terminal application such as Realterm.
For RS-232, set the COM port, baud rate, stop bit, data
bit and parity accordingly.
To check the COM settings in Windows, see the Device
Manager. For example, in WinXP go to the Control panel
→ System → Hardware tab.
Run this query from the terminal.
*idn?
This should return the Manufacturer, Model number, and
Firmware version.
GWINSTEK,GOM805,GXXXXXXXX,V1.00
If you are not familiar with using a terminal application
to send/receive remote commands from the serial port or
via a USB connection, please page 94 (Using Realterm to
Establish a Remote Connection) for more information.