Sonic KDG 300 current logger, extra depth gauge:

• 4-axis power meter.
• Presentation of 5 layers.
• Speed over the bottom can be displayed down to 550 meters.
• This allows the current to be displayed relative to the bottom under most operating conditions.
• The current layer is measured and displayed downt to 300 meters.
• Sonar image can be displayed up to 30⁰ .
• Makes it easy to select a layer depth to measure the speed of fishing hours.
• No calibration required, error margin is less than 1%.
• Clear graphics with multiple selectable views and optional screen size.
• Automatic or manual GPS speed.