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• Simultaneous and variable quad frequency sounder enables clear target discrimination.
• Four frequencies are selectable in 0.1 kHz step by using the dedicated transducer.
• Six Condition Memory keys for immediate calling of your preferred setups.
• Extremely high resolution and low noise materialized by Koden Digital
• Filtering (KDF TM) technology.
• CVS-877D Black box echo sounder connects to any XGA type display.