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The power output is the amount of energy
generated by the sonar transmitter. It is
commonly measured using two methods:
• Root Mean Square (RMS) measures power
output over the entire transmit cycle.
• Peak to Peak measures power output at the
highest points.
The benefits of increased power output are the
ability to detect smaller targets at greater
distances, ability to overcome noise, better high
speed performance and enhanced depth
capability.
DualBeam PLUS™ Sonar
Your 500 Series™ Fishfinder uses a 200/83 kHz
DualBeam PLUS™ sonar system with a wide (60°) area
of coverage. DualBeam PLUS™ sonar has a narrowly
focused 20° center beam, surrounded by a second
beam of 60°, expanding your coverage to an area
equal to your depth. In 20 feet of water, the wider
beam covers an area 20 feet wide. The 20° center
beam is focused on the bottom, to show you structure,
weeds and cover. The 60° wide beam is hunting for
fish in the wide coverage area. DualBeam PLUS™
sonar returns can be blended together, viewed
separately or compared side-by-side. DualBeam
PLUS™ is ideal for a wide range of conditions - from
shallow to very deep water in both fresh and salt
water. Depth capability is affected by such factors as
boat speed, wave action, bottom hardness, water
conditions and transducer installation.