Wireless & Spy 4 Channel Guía de usuario descargar pdf (Pagina 22)

If a signature pops up for a few seconds then

disappears and never comes on again, it is quite likely

that this was a false positive.

Tracking Down Transmitters

Chanalyzer Pro’s waterfall view uses colors to map high amplitude points over time. This allows anyone with a

spectrum analyzer to track down devices by watching amplitude changes over time. While walking around, the

colors change to yellows and reds when a user is approaching the transmitting device.

To follow this exercise, please download the demo

recording at

http :// files . metageek . net / recordings / waterfall . wsx

In the image to the right we can see that the person

performing this site survey walked right by a

transmitting device. The amplitude levels of a

transmitter increase and decrease. In the waterfall

view, it looks like a bluish vertical line turning red.

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Wireless & Spy 4 Channel Guía de usuario Pagina 22