Frequency - Lowrance HOOK-4x Operation Manual

NOTE: When using a custom range,
you may not receive any digital depth
readings, or you may receive incorrect
depth information.

Frequency

Controls the transducer frequency used by the
unit. This unit supports conventional, CHIRP and
DownScan sonar frequencies.
Only frequencies supported by
your transducer will appear on the
Frequency menu.
Sonar operation | HOOK X series
Custom range menu
Sonar frequencies
Best depth penetration with
50 kHz
lower resolution
Wider cone angle provides more
83 kHz
bottom coverage and easy lure
tracking
Highest sensitivity and best tar-
200 kHz
get separation in shallow water
Provides the best depth pene-
Low CHIRP
tration with lower resolution
Better depth penetration than
Medium
High CHIRP with minimal loss of
CHIRP
target separation
Better resolution in shallow
High CHIRP
water than Medium CHIRP
Selects a custom single
Custom high
frequency from within High or
Low frequency ranges to help
Custom
reduce/eliminate interference
medium
from other CHIRP transducers
18