ER302
User Manual
Version 1.1.0
Page 8 of 13
Nov 2014
Note: If the COMX exceed COM10, please change it between 1 to 9, for example, it
shows COM12, then you can change it into COM3.
HOW TO CHANGE COM PORT NUMBER?
If you need to change the port number assigned to your USB driver, proceed to
next step to change the USB driver port number in the Device Manager.
1) Right click on the selected COM port and select
“Properties”.