![background image](http://html1.mh-extra.com/html/m-system/wl40ew2kr/wl40ew2kr_user-manual_3108312036.webp)
P. 36 / 68
920MHz Band Wireless Device (Korea) USERS MANUAL EM-9121 Rev. 1
6.1.2 EXECUTING CHANNEL NOISE SCAN
Perform the channel noise scan according to the following procedure.
Do not turn off the power of the wireless device or remove the mini USB cable during the measurement, or an error message will
appear and the channel noise scan tool will be forcibly terminated.
1) Click the pull-down button in the “COM port” column, select the COM port to which the wireless device is connected, and click
[Open].
Figure 6.9 Selecting COM port