Cobra 25 NW Specifications download pdf (Page 7)

Ignition Noise Interference

Use of a mobile receiver at low signal levels is

normally limited by the presence of electrical

noise.The primary source of noise in automobiles

is from the alternator and ignition system.

Typically, when signal level is adequate, the back-

ground noise does not present a serious problem.

Also, when extremely low level signals are being

received, the transceiver may be operated with

the vehicle’s engine turned off.The unit requires

very little current and therefore will not signifi-

cantly discharge the vehicle’s battery.

Even though the Cobra 25 NW has an automatic

noise limiter, in some installations ignition

interference may be high enough to make good

communications impossible. Many possibilities

exist and variations between vehicles require

different solutions. Consult your COBRA dealer or

a 2-way radio technician for help in locating the

source of a severe noise.

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Cobra 25 NW Specifications Page 7