Related Manuals for Lowrance HDS-9
Summarization of Contents
The Sound Wave
Cone Size / Frequency
Explains how frequency affects sonar beamwidth and coverage at different depths.
The Transducer
HDI v.s TM150(CHIRP)
Compares HDI and TM150 transducers, noting TM150 performed better in all cases.
Shallow Transducer Properties
Discusses popular transom mount transducers like HDI, P66, TM150 for shallow water.
Transducer Selection for Deep Water Trolling
Recommends transducer configurations for offshore deep water trolling applications.
Transducer Installation
Transducer Cable Shielding for Trolling Motors
Step-by-step guide for creating a transducer cable shield using coiled air hose.
The Water Test Perfect Angle
Explains the 'Tennis Ball Test' for verifying correct transducer installation angle.
The Display
Display Resolution
Defines vertical and horizontal pixels and their impact on sonar image quality.
Wiring Diagram for Multi-Display Setup
Details components and shows a wiring diagram for a multi-display sonar system.
2D Sonar in Perspective
Chart Distance vs. Boat Speed
Relates boat speed to chart distance coverage for 83kHz sonar.
The Thermocline
Targeting Fish near Thermoclines
Advises looking for standing timber near thermoclines for better fish targeting.
SideScan Sonar
The Water Column
Explains the lateral coverage of SideScan sonar in the water column.
StructureMap
StructureMap - Hardware
Lists required hardware for StructureMap, including HDS unit, transducer, SD card, and GPS receiver.
Fish and Down Sonar
Species Echo Strength Comparison
Compares echo strength from different fish species based on sonar characteristics.
Sonar Ailments
RF Interference - Trolling Motor
Provides step-by-step solutions for RF interference affecting trolling motors and sonar.
DIY Test Kit
Build your own Test Kit
Details components for multi-display and single-display test kits for power, network, and RF interference.
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