GW Instek GDS-2000 series Programming manual - Manual (Page 12)

GDS-2000 Series Programming Manual
12
The RS232 connection testing
If you want to test whether the RS-232 connection is working or not, you can send a
command from computer. For instance, using a hyper-terminal program send the
query command
*idn?
should return the Manufacturer, model number, serial number and firmware version
in the following format:
GW,GDS-2202,EG150000,V1.00
If you do not receive a proper response from the oscilloscope, please check if the
power is on, the RS-232 configurations are the same on both sides, and all cable
connections are active.