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

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DownScan operation | HOOK X series

Frequency

Controls the transducer frequency

used by the unit. 800 kHz oers the

best resolution, while 455 kHz has

greater depth penetration.

NOTE: When using a custom range,

you may not receive any digital depth

readings, or you may receive incorrect

depth information.

Ping Speed

Controls the rate the transducer uses to send sonar

waves into the water. Ping speed adjustments can

help reduce interference from other transducers.

DownScan options

Noise Rejection

Uses advanced signal processing to monitor the

eects noise (boat pumps, water conditions,

engine ignition systems, etc.) has on your display,

and then lters out undesired signals.

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