Lowrance HOOK-3x Operators Manual EN - Page 27

Ping Speed, DownScan options, Uses advanced signal processing to monitor

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NOTE: When using a custom range, you may not receive any digital depth readings, or you may receive incorrect depth information. DownScan options Frequency Controls the transducer frequency used by the unit. 800 kHz offers the best resolution, while 455 kHz has greater depth penetration. 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. Noise Rejection Uses advanced signal processing to monitor the effects noise (boat pumps, water conditions, engine ignition systems, etc.) has on your display, and then filters out undesired signals. 27 DownScan operation | HOOK X series

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27
DownScan operation |
HOOK X series
Frequency
Controls the transducer frequency
used by the unit.
800 kHz offers 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
effects noise (boat pumps, water conditions,
engine ignition systems, etc.) has on your display,
and then filters out undesired signals.