Philips IntelliVue TRx Instructions For Use Manual page 18

IntelliVue Telemetry System
Smart-hopping enables the signal to avoid wireless interference. When baseline
noise is low (see illustrations following), telemetry signals reside in their
frequency/time slot locations. If excessive interference occurs, degrading the
signal, the telemetry signal then "hops" over the interference to a location that
provides optimal signal-to-noise performance.
In cases of excessive intermittent wireless interference, such as machinery
operation or construction activity, you should identify patterns of interference.
This information may assist your service provider in helping you resolve a
problem with interference.
1-6 Introducing IntelliVue Telemetry
Draft - 1 Aug 08
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Normal Operation
Desired Signal
Baseline Noise
Interference