Name: Lowrance HOOK-4x
Brand: Lowrance
Rating: 5 (1 reviews)

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Sonar operation | HOOK X series

CHIRP

A CHIRP (Compressed High Intensity Radar Pulse)

transducer transmits a modulated pulse of all

frequencies within the bandwidth of the selected

transducer type.

This results in better image quality, better target

separation and greater depth penetration.

This unit supports High CHIRP, Medium CHIRP

and Low CHIRP, depending on the transducer.

CHIRP can be used with Lowrance conventional

sonar transducers.

• 50/200 kHz (Low/High CHIRP)

• 83/200 kHz (Medium/High CHIRP)

To use CHIRP, select the desired CHIRP frequency

from the Frequency menu.

This unit supports two types of sonar: Conventional

and DownScan.

The features described in this section are for

conventional sonar. Refer to the DownScan

operation section for information on DownScan

features.

Sonar operation

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