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Select better Sonar beam for the different water environment
1) For most lake, [Wide beam] is recommended when water depth more than 1.5m.
2) For ultra-shallow water, [Narrow Beam] is recommended when depth less than
1.2m. and setting [Sonar Gain] to 4X can help to find more details.
3) For accurate depth survey, [Narrow Beam] provide smaller sonar footprint, and
give more accurate depth reading.
Narrow Beam
(455KHz)
Wide Beam
(115KHz)
