![background image](http://html.mh-extra.com/html/omron/v740-hs01ca/v740-hs01ca_user-manual_741408120.webp)
120 of 135
4.2.7.3 Noise Check
Function
The reader displays the noise level shown by every two channels in bar graph.
The channel whose bar is low, it means clean status in radio wave. Higher channel shows noisy status.
“Frequency Channel” (X axis) means channel number (based on US frequency allocation). “1-2” means
902.75-903.25MHz, “11-12” means 907.75-908.25MHz, …, “49-50” means 926.75-927.25MHz”.
Screen Image
Action
[Start]
To monitor noise level
, select antenna ID and press [Start] button. Then the Web page displays and
updates current noise level around the indicated antenna.
While updating data, you can monitor the noise level on real time.
[Stop]
To stop monitoring noise level or change another page
, you need to press [Stop] button.