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System description
11
857-164342 / Rev.C
Echo sounder system
• Frequency channels: 1, 2, 3 or 4 channels
• Operating frequencies
- Basic configuration: 38/200 kHz or 50/200 kHz
- With additional GPT: 12, 18, 27, 38, 50, 70, 120, 200
kHz
• Echogram types
- Surface echogram
- Bottom expansion
- Trawl echogram
• Gain function
- 20 log TVG (= bottom gain)
- 20 log TVG (=school gain)
- 40logTVG(=fishgain)
• Ping rate: Adjustable, maximum 10 pings per second
• Start depth and range: 5 to 15,000 meters in Manual, Auto
range or Auto start modes.
• Scope presentation: Displays the echo strength of the most
recent ping.
• Colour scale: 12 colours (3 dB pr colour)
• Bottom detector: Software tracking algorithm, adjustable
minimum and maximum depth