Invoke a terminal application such as Realterm.
To check the COM port No, see the Device
Manager in the PC. For WinXP; Control panel →
System → Hardware tab.
Run this query command via the terminal
application after the instrument has been
configured for either RS232 or RS485 remote
control (page 165).
GW-INSTEK,PSU40-38,TW123456,
T0.01.12345678
Return the manufacturer, model, serial
number, and firmware version in the
above format.
Manufacturer: GW-INSTEK
Model: PSU40-38
Serial number: TW123456
Firmware version: T0.01.12345678